Publications (Roy L. Johnston)

Books

Roy L. Johnston
Atomic and Molecular Clusters Taylor and Francis, London, 2002 (ISBN: 0748409319).


Roy L. Johnston (Editor)
Applications of Evolutionary Computation in Chemistry
Struct. Bond. Springer-Verlag, Heidelberg, 2004, 110 (ISBN: 3-540-40258-6).


Roy L. Johnston and Riccardo Ferrando (Editors)
Nanoalloys: From Theory to Application
Faraday Disc. 2008, 138, pp. 1-442 (ISBN: 0-85404-119-2).


Roy L. Johnston and Jess P. Wilcoxon (Editors)
Metal Nanoparticles and Nanoalloys
Frontiers of Nanoscience (Vol. 3) Elsevier, Oxford, 2012 (ISBN: 978-0-08-096357-0).




Other Edited Volumes

Peter P. Edwards, Roy L. Johnston, C. N. R. Rao and David P. Tunstall (Editors)
The Metal-non-metal Transition in Macroscopic and Microscopic Systems
Phil. Trans. Roy. Soc. London A 1998, 356 (1735), pp. 1-278.


W. Paszkowicz, K. D. M. Harris and R. L. Johnston (Editors)
Selected Papers from the E-MRS 2007 Fall Meeting Symposium G: Genetic Algorithms in Materials Science and Engineering (Warsaw, Poland, 16-21 September 2007)
Comput. Mater. Sci. 2009, 45 (1).


R. Ferrando, R. L. Johnston and C. Louis (Editors)
Recent Advances in the Chemical Physics of Nanoalloys
Phys.Chem.Chem.Phys., 2015, 17 (42), 27903-28410.




Group Published PhD Theses

L. Oliver Paz-Borbon
Computational Studies of Transition Metal Nanoalloys
Springer Theses: Recognizing Outstanding Ph.D. Research Springer-Verlag, Berlin, 2011 (ISBN: 978-3-642-18011-8).


Andrew J. Logsdail
Computational Characterisation of Gold Nanocluster Structures
Springer Theses: Recognizing Outstanding Ph.D. Research Springer-Verlag, Berlin, 2013 (ISBN: 978-3-319-01492-0).



Papers (including Communications, Reviews, Book Chapters etc.)

[RLJ85/1]
Roy L. Johnston and D. Michael P. Mingos
General Theoretical Analysis of 3-Connected Polyhedral Molecules and their Capped Derivatives
J. Organomet. Chem. 1985, 280, 407-418.
[RLJ85/2]
Roy L. Johnston and D. Michael P. Mingos
General Theoretical Analysis of 4-Connected Polyhedral Molecules
J. Organomet. Chem. 1985, 280, 419-428.

[RLJ86/1]
Roy L. Johnston and D. Michael P. Mingos
Theoretical Analysis of the Bonding in Octahedral Transition Metal Clusters Possessing pi-acceptor and pi-donor Bridging Ligands and their Nido- and Arachno- Derivatives
Inorg. Chem. 1986, 25, 1661-1671.
[RLJ86/2]
Roy L. Johnston and D. Michael P. Mingos
Molecular Orbital Calculations which Relate to the Hyper-/Iso-Closo- Controversy in Metallaboranes
Inorg. Chem. 1986, 25, 3321-3323.
[RLJ86/3]
Roy L. Johnston and D. Michael P. Mingos
The Pairing Principle in Tensor Surface Harmonic Theory: Definition of a General Class of N-Atom Polar Deltahedra with N Skeletal Electron Pairs
Polyhedron 1986, 5, 2059-2061.

[RLJ87/1]
Roy L. Johnston and D. Michael P. Mingos
A Group Theoretical Paradigm for Describing the Skeletal Molecular Orbitals of Cluster Compounds. Part 1: Deltahedral Clusters
J. Chem. Soc., Dalton Trans. 1987, 647-656.
[RLJ87/2]
Roy L. Johnston and D. Michael P. Mingos
A Group Theoretical Paradigm for Describing the Skeletal Molecular Orbitals of Cluster Compounds. Part 2: Bispherical Clusters
J. Chem. Soc., Dalton Trans. 1987, 1445-1456.
[RLJ87/3]
D. Michael P. Mingos and Roy L. Johnston
Theoretical Models of Cluster Bonding
Structure & Bonding 1987, 68, 29-87.

[RLJ88/1]
Zenon Demidowicz, Roy L. Johnston, Jonathan C. Machell, D. Michael P. Mingos and Ian D. Williams
Synthesis and Structural Characterisation of a Novel High-Nuclearity Gold-Tin Cluster Compound, [Au8(PPh3)7SnCl3]2Sn2Cl6
J. Chem. Soc., Dalton Trans. 1988, 1751-1756.
[RLJ88/2]
D. Michael P. Mingos and Roy L. Johnston
The Allowed and Forbidden Nature of Diamond-Square-Diamond Degenerate Rearrangements in Polyhedral Boranes, a General Topological Approach
Polyhedron 1988, 7, 2437-2439.

[RLJ89/1]
Roy L. Johnston and D. Michael P. Mingos
The Classification of Tensor Surface Harmonic Functions for Clusters and Coordination Compounds
Theor. Chim. Acta 1989, 75, 11-32.
[RLJ89/2]
Roy L. Johnston Lin Zhenyang and D. Michael P. Mingos
The Tensor Surface Harmonic-Equivalent Orbital Model of Bonding in Polyhedral Cluster Molecules
New J. Chem. 1989, 13, 33-40.
[RLJ89/3]
Roy L. Johnston and Roald Hoffmann
Super-Dense Carbon, C8; Supercubane or Analogue of -Si?
J. Am. Chem. Soc. 1989, 111, 810-819.

[RLJ90/1]
Dennis L. Lichtenberger, Roy L. Johnston, Klaus Hinkelmann, Toshio Suzuki and Fred Wudl
Relative Electron Donor Strengths of Tetrathiafulvalene Derivatives: Effects of Chemical Substituents and the Molecular Environment from a Combined Photoelectron and Electrochemical Study
J. Am. Chem. Soc. 1990, 112, 3302-3307.
[RLJ90/2]
Dennis L. Lichtenberger and Roy L. Johnston
Experimental Measures of Metal-Metal Sigma, Pi and Delta Bonding from Photoelectron Spectroscopy
Metal-Metal Bonds and Clusters in Chemistry and Catalysis (Ed. J.P. Fackler); Plenum; New York 1990, 275-298.
[RLJ90/3]
Roy L. Johnston and Roald Hoffmann
The Kagome Net: Topological and Band Theoretical Aspects
Polyhedron 1990, 9, 1901-1911.
[RLJ90/4]
Roy L. Johnston, Peter J. Knowles and John N. Murrell
Molecular Orbital Theory
J. Chem. Soc., Annual Rep. C 1990, 87, 173-197.

[RLJ91/1]
Afaf R. Al-Derzi, Roy L. Johnston, John N. Murrell and Juan A. Rodriguez-Ruiz
Potential Energy Functions for Atomic Solids. III. Fitting Phonon Frequencies and Elastic Constants of Diamond Structures
Mol. Phys. 1991, 73, 265-282.
[RLJ91/2]
Roy L. Johnston
Closed Shell 3-Connected Clusters: Topological and Group Theoretical Aspects
J. Chem. Soc., Faraday Trans. 1991, 73, 265-282.
[RLJ91/3]
Roy L. Johnston, D. Michael P. Mingos and Paul Sherwood
Bonding and Electron Counting in Hyper-Closo Metallaboranes and Metallacarbaboranes
New J. Chem. 1991, 15, 831-841.

[RLJ92/1]
Roy L. Johnston, Li Sidian and John N. Murrell
Cluster Structures and Stabilities from Solid State Potentials: Application to Silicon Clusters
J. Chem. Soc., Faraday Trans. 1992, 88, 1229-1236.
[RLJ92/2]
Bernd R. Eggen, Roy L. Johnston, John N. Murrell and Li Sidian
Potential Energy Functions for Atomic Solids. IV. Reproducing the Properties of More than One Solid Phase
Mol. Phys. 1992, 76, 619-633.
[RLJ92/3]
Roy L. Johnston and Roald Hoffmann
Structure-Bonding Relationships in the Laves Phases
Z. Anorg. Allg. Chem. 1992, 616, 105-120.
[RLJ92/4]
Roy L. Johnston and Jian-Yun Fang
An Empirical Many-Body Potential Energy Function for Aluminum: Application to Solid Structures and Microclusters
J. Chem. Phys. 1992, 97, 7809-7821.

[RLJ93/1]
Jian-Yun Fang, Roy L. Johnston and John N. Murrell
Potential Energy Functions for Atomic Solids. V. Application to Alkali Metal Solids
Mol. Phys. 1993, 78, 1405-1422.
[RLJ93/2]
Jian-Yun Fang, Roy L. Johnston and John N. Murrell
Potential Energy Functions for Cu, Ag and Au Solids and their Application to Clusters of these Elements
J. Chem. Soc., Faraday Trans. 1993, 89, 1659-1665.
[RLJ93/3]
Gao Fei, Roy L. Johnston and John N. Murrell
Empirical Many-Body Potential Energy Functions for Iron
J. Phys. Chem. 1993, 97, 12073-12082.

[RLJ94/1]
Klas M. Andersson, Roy L. Johnston and John N. Murrell
Empirical Potential Energy Function for Calcium Solids and Clusters
Phys. Rev. B 1994, 49, 3089-3097.
[RLJ94/2]
Julia Uppenbrink, Roy L. Johnston and John N. Murrell
Modelling Transition Metal Surfaces with Empirical Potentials
Surf. Sci. 1994, 304, 223-236.
[RLJ94/3]
Bernd R. Eggen, Roy L. Johnston and John N. Murrell
Carbon Cluster Structures and Stabilities Predicted from Solid State Potentials
J. Chem. Soc., Faraday Trans. 1994, 90, 3029-3037.

[RLJ95/1]
A. Wahab Allaf, Roy L. Johnston and Roger J. Suffolk
The Photoelectron Spectrum of Thiazylcyanide, NSCN
Chem. Phys. Letters 1995, 233, 33-35.
[RLJ95/2]
Nicholas A. Besley, Roy L. Johnston, Anthony J. Stace and Julia Uppenbrink
Theoretical Study of the Structures and Stabilities of Iron Clusters
J. Mol. Struct. (THEOCHEM) 1995, 341, 75-90.

[RLJ96/1]
Jason E. Hearn, Roy L. Johnston, Simona Leoni and John N. Murrell
Global Potentials for Calcium and Strontium Solids
J. Chem. Soc., Faraday Trans. 1996, 92, 425-432.

[RLJ97/1]
Hazel Cox, Roy L. Johnston and John N. Murrell
Modelling of Surface Relaxation and Melting of Aluminium
Surf. Sci. 1997, 373, 67-84.
[RLJ97/2]
Roy L. Johnston
Mathematical Cluster Chemistry
Structure & Bonding 1997, 87,1-34.
[RLJ97/3]
Jason E. Hearn and Roy L. Johnston
Modelling Calcium and Strontium Clusters with Many-body Potentials
J. Chem. Phys. 1997, 107, 4674-4687.
[RLJ97/4]
Stephanie Camus, Kenneth D. M. Harris and Roy L. Johnston
Ab initio Calculation of 2^H Quadrupole Coupling Constants in Molecular Crystals: Application to Polymorphs of Oxalic Acid Dihydrate
Chem. Phys. Letters 1997, 276, 186-195.
[RLJ97/5]
Benson M. Kariuki, Heliodoro Serrano-Gonzalez, Roy L. Johnston and Kenneth D. M. Harris
The Application of a Genetic Algorithm for Solving Crystal Structures from Powder Diffraction Data
Chem. Phys. Letters 1997, 280, 189-195.

[RLJ98/1]
P. P. Edwards, R. L. Johnston, C. N. R. Rao, D. P. Tunstall and F. Hensel
The Metal-Insulator Transition: a Perspective
Phil. Trans. R. Soc. Lond. A 1998, 356, 5-22.
[RLJ98/2]
R. L. Johnston
The Development of Metallic Behaviour in Clusters
Phil. Trans. R. Soc. Lond. A 1998, 356, 211-230.
[RLJ98/3]
Roy L. Johnston, Benson M. Kariuki and Kenneth D. M. Harris
Crystal Structure Solution as an Optimization Problem: a Genetic Algorithm for Direct Space Structure Solution from Powder Diffraction Data
in Fashioning a Model: Optimization Methods in Chemical Physics (Eds. A. Ernesti, J. M. Hutson and N.J. Wright); CCP6; Daresbury; 1998, pp. 41-47.
[RLJ98/4]
Kenneth D. M. Harris, Roy L. Johnston, Benson M. Kariuki and Maryjane Tremayne
A Genetic Algorithm for Crystal Structure Solution from Powder Diffraction Data
J. Chem. Res. (S) 1998, 390-391.
[RLJ98/5]
Lesley D. Lloyd and Roy L. Johnston
Modelling Aluminium Clusters with an Empirical Many-body Potential
Chem. Phys. 1998, 236, 107-121.
[RLJ98/6]
Kenneth D. M. Harris, Benson M. Kariuki, Maryjane Tremayne and Roy L. Johnston
New Methodologies for Solving Crystal Structures from Powder Diffraction Data
Mol. Cryst. Liq. Cryst. 1998, 313, 1-14.
[RLJ98/7]
Kenneth D. M. Harris, Roy L. Johnston and Benson M. Kariuki
The Genetic Algorithm: Foundations and Applications in Structure Solution from Powder Diffraction Data
Acta Cryst. A 1998, 54, 632-645.
[RLJ98/8]
Kenneth D. M. Harris, Roy L. Johnston and Benson M. Kariuki
Evolving Techniques in Powder Structure Solution - an Introduction to the Genetic Algorithm
IUCr CPD Newsletter 1998, 20, 19-21.
[RLJ98/9]
Hazel Cox, Roy L. Johnston and Andrew Ward
A New Many-body Potential for Modelling Ytterbium Solids and Surfaces
J. Phys.: Condensed Matter 1998, 10, 9419-9429.
[RLJ98/10]
Fred R. Manby, Roy L. Johnston and Christopher Roberts
Predatory Genetic Algorithms
MATCH 1998, 38, 111-122.
[RLJ98/11]
Benson M. Kariuki, Roy L. Johnston, Kenneth D. M. Harris, Katerina Psallidas, Shinbyoung Ahn and Heliodoro Serrano-Gonzalez
Application of a Genetic Algorithm in Structure Determination from Powder Diffraction Data
MATCH 1998, 38, 123-135.
[RLJ98/12]
Jack D. Dunitz, Kenneth D. M. Harris, Roy L. Johnston, Benson M. Kariuki, Elizabeth J. MacLean, Katerina Psallidas, W. Bernd Schweizer and Rik R. Tykwinski
New Light on an Old Story: the Solid State Transformation of Ammonium Cyanate into Urea
J. Amer. Chem. Soc. 1998, 120, 13274-13275.

[RLJ99/1]
Benson M. Kariuki, Patrizia Calcagno, Kenneth D. M. Harris, Douglas Philp and Roy L. Johnston
Evolving Opportunities in Structure Solution from Powder Diffraction Data - Crystal Structure Determination of a Molecular System with Twelve Variable Torsion Angles
Angew. Chem. Int. Ed. 1999, 38, 831-835.
[RLJ99/2]
Benson M. Kariuki, Scott A. Belmonte, Malcolm I. McMahon, Roy L. Johnston, Kenneth D. M. Harris and Richard J. Nelmes
A New Approach for Indexing Powder Diffraction Data Based on Whole-profile Fitting and Global Optimization Using a Genetic Algorithm
J. Synchrotron Rad. 1999, 6, 87-92.
[RLJ99/3]
J. Paul Attfield, Roy L. Johnston, Harold W. Kroto and Kosmas Prassides
New Science from New Materials
in The Age of the Molecule (Ed. N. Hall), Royal Society of Chemistry, London, 1999, 181-208.
[RLJ99/4]
Scott A. Belmonte, Benson M. Kariuki, Malcolm I. McMahon, Roy L. Johnston, Kenneth D. M. Harris and Richard J. Nelmes
Powder Pattern Indexing Based on a Genetic Algorithm Optimisation of a Whole-Profile Fit
IUCr CPD Newsletter 1999, 21, 4-5.
[RLJ99/5]
Hazel Cox, Roy L. Johnston and John N. Murrell
Empirical Potentials for Modelling Solids, Surfaces and Clusters
J. Solid State Chem. 1999, 145, 517-540.
[RLJ99/6]
Peter P. Edwards, Roy L. Johnston, Friedrich Hensel, C. N. R. Rao and David P. Tunstall
A Perspective on the Metal-Insulator Transition
Solid State Physics 1999, 52, 229-338.
[RLJ99/7]
Benson M. Kariuki, Katerina Psallidas, Kenneth D. M. Harris, Roy L. Johnston, Robert W. Lancaster, Susan E. Staniforth and Simon M. Cooper
Structure Determination of a Steroid Directly from Powder Diffraction Data
Chem. Comm. 1999, 1677-1678.
[RLJ99/8]
Kenneth D. M. Harris, Roy L. Johnston and Benson M. Kariuki
An Evolving Technique for Powder Structure Solution - Fundamentals and Applications of the Genetic Algorithm
Anales de Quimica, Int. Edn. 1998, 94, 410-416.
[RLJ99/9]
Peter P. Edwards, Roy L. Johnston and C. N. R. Rao
On the Size-Induced Metal-Insulator Transition in Clusters and Small Particles
in Metal Clusters in Chemistry (Eds. P. Braunstein, G. Oro and P. R. Raithby), Wiley-VCH, Weinheim, 1999, Vol. III, Ch. 4.8, 1454-1481.

[RLJ00/1]
Oliver J. Lanning, Scott Habershon, Kenneth D. M. Harris, Roy L. Johnston, Benson M. Kariuki, Emilio Tedesco and Giles W. Turner
Definition of a Guiding Function in Global Optimization: a Hybrid Approach Combining Energy and R-factor in Structure Solution from Powder Diffraction Data
Chem. Phys. Letters 2000, 317, 297-304.
[RLJ00/2]
Lesley D. Lloyd and Roy L. Johnston
Theoretical Analysis of 17-19-atom Clusters Using Many-Body Potentials
J. Chem. Soc., Dalton Trans. 2000, 307-316.
[RLJ00/3]
Giles W. Turner, Roy L. Johnston and Nicholas T. Wilson
Investigation of Geometric Shell Aluminum Clusters Using the Gupta Many-body Potential
J. Chem. Phys. 2000, 112, 4773-4778.
[RLJ00/4]
Giles W. Turner, Emilio Tedesco, Kenneth D. M. Harris, Roy L. Johnston and Benson M. Kariuki
Implementation of Lamarckian Concepts in a Genetic Algorithm for Structure Solution from Powder Diffraction Data
Chem. Phys. Letters 2000, 321, 183-190.
[RLJ00/5]
Giles W. Turner, Roy L. Johnston and Kenneth D. M. Harris,
Systematic Computational Study of the Geometrical Dependence of Deuterium Quadrupole Interaction Parameters in an O-2H...O=C Hydrogen Bonded System
Chem. Phys. 2000, 256, 159-168.
[RLJ00/6]
Christopher Roberts, Roy L. Johnston and Nicholas T. Wilson
A Genetic Algorithm for the Structural Optimization of Morse Clusters
Theor. Chem. Acc. 2000, 104, 123-130.
[RLJ00/7]
Kenneth D. M. Harris, Roy L. Johnston and Benson M. Kariuki
Evolutionary Algorithms in Crystallographic Applications
in Evolutionary Algorithms in Computer Aided Molecular Design (Ed. D. E. Clark), Wiley-VCH, Weinheim, 2000, Ch. 9, 159-194.
[RLJ00/8]
Nicholas T. Wilson and Roy L. Johnston
Modelling Gold Clusters with an Empirical Many-body Potential
Eur. Phys. J. 2000, D 12, 161-169.
[RLJ00/9]
Emilio Tedesco, Giles W. Turner, Kenneth D. M. Harris, Roy L. Johnston and Benson M. Kariuki
Complete Structure Determination of an Oligopeptide Directly from Powder Diffraction Data
Angewandte Chemie, Int Edn. 2000, 39, 4488-4491.

[RLJ01/1]
Kenneth D. M. Harris, Roy L. Johnston and Benson M. Kariuki
Solving Crystal Structures from Powder Diffraction Data in Direct Space - Progress in the Application of Genetic Algorithms
in Advances in Structure Analysis (Eds. R. Kuzel and J. Hasek), Czech and Solvak Crystallographic Association, Prague, 2001, 190-204.
[RLJ01/2]
Benson M. Kariuki, Kenneth D. M. Harris and Roy L. Johnston
Solving Crystal Structures from Powder Diffraction Data Using Genetic Algorithms
Mol. Cryst. Liq. Cryst. 2001, 356, 469-482.
[RLJ01/3]
Giles W. Turner, Emilio Tedesco, Kenneth D. M. Harris, Roy L. Johnston and Benson M. Kariuki
A Method for Understanding Characteristics of Multi-dimensional Hypersurfaces, Illustrated by Energy and Powder Profile R-factor Hypersurfaces for Molecular Crystals
Z. Kristall. 2001, 216, 187-189.
[RLJ01/4]
Peter P. Edwards, Simon R. Johnson, Martin O. Jones, Adrian Porch and Roy L. Johnston
The Size-induced Metal-Insulator Transition in Colloidal Gold
in Studies in Surface Science and Catalysis (Eds. Y. Isawa, N. Oyama and H. Kuneida) 2001, 132, 719-724.
[RLJ01/5]
Emilio Tedesco, Kenneth D. M. Harris, Roy L. Johnston, Giles W. Turner, K. M. P. Raja and P. Balaram
Ab Initio Structure Determination of a Peptide beta-turn from Powder X-ray Diffraction Data
Chem. Comm. 2001, 1460-1461.
[RLJ01/6]
Kenneth D. M. Harris, Roy L. Johnston, Emilio Tedesco and Giles W. Turner
Ab Initio Structure Determination of Ologopeptides from Powder X-ray Diffraction Data
IUCr CPD Newsletter 2001, 25, 18-19.
[RLJ01/7]
Christopher Roberts and Roy L. Johnston
Investigation of the Structures of MgO Clusters Using a Genetic Algorithm
Phys.Chem.Chem.Phys. 2001, 3, 5024-5034.
[RLJ01/8]
Emilio Tedesco, Benson M. Kariuki, Kenneth D. M. Harris, Roy L. Johnston, O. Pudova, G. barbarella, E. Marseglia, G. Gigli, M. Anni and R. Cingolani
Structural Aspects of High-efficiency Blue-emitting 2,5-bis(trimethylsilyl)thiophene-S,S-dioxide and Related Materials
J. Sol. State Chem. 2001, 161, 121-128.
[RLJ01/9]
David Albesa-Jove, Emilio Tedesco, Kenneth D. M. Harris, Roy L. Johnston and Eugene Y. Cheung
Structural Rationalization Directly from Powder Diffraction Data: Intermolecular Aggregation in 2-(methylsulfonyl)ethyl Succinimidyl Carbonate
Cryst. Growth Design 2001, 1, 425-428.
[RLJ01/10]
Kenneth D. M. Harris, Roy L. Johnston, Benson M. Kariuki, Emilio Tedesco, and Giles W. Turner
Structure Solution of Molecular Crystals from Powder Diffraction Data Using Genetic Algorithms: Opportunities in Academic and Industrial Research
Mater. Sci. Forum 2001, 378-381, 38-46.
[RLJ01/11]
Emilio Tedesco, Sarbjeet S. Dhillon, Kenneth D. M. Harris, Roy L. Johnston, Giles W. Turner and Benson M. Kariuki,
Structure Determination of 4,4'-trimethylenepyridine from Powder Diffraction Data
Mater. Sci. Forum 2001, 378-381, 784-788.

[RLJ02/1]
Sarah Darby, Thomas V. Mortimer-Jones, Roy L. Johnston and Christopher Roberts
Theoretical Study of Cu-Au Nanoalloy Clusters Using a Genetic Algorithm
J. Chem. Phys. 2002, 116, 1536-1550.
[RLJ02/2]
Eugene Y. Cheung, Emma E. McCabe, Kenneth D. M. Harris, Roy L. Johnston, Emilio Tedesco, K. M. P. Raja and P. Balaram
C-H...O Hydrogen Bond Mediated Chain Reversal in a Peptide Containing a gamma-Amino Acid Residue, Determined Directly from Powder X-ray Difraction Data
Angewandte Chemie, Int Edn. 2002, 41, 494-496.
[RLJ02/3]
Scott Habershon, Kenneth D. M. Harris, Roy L. Johnston, Giles W. Turner and Jennifer M. Johnston
Gaining Insights into the Evolutionary Behaviour in Genetic Algorithm Calculations, with Applications in Structure Solution from Powder Diffraction Data
Chem. Phys. Lett. 2002, 353, 185-194.
[RLJ02/4]
Roy L. Johnston, Thomas V. Mortimer-Jones, Christopher Roberts, Sarah Darby and Fred R. Manby
Applications of Genetic Algorithms in Nanoscience: Cluster Geometry Optimization
in Applications of Evolutionary Computation (Eds. S. Cagnoni, J. Gottlieb, E. Hart, M. Middendorf and G. R. Raidl)
Lect. Notes Comp. Sci. 2002, 2279, 92-101.
[RLJ02/5]
Freddy F. Guimarães, Jadson C. Belchior, Roy L. Johnston and Christopher Roberts
Global Optimization Analysis of Water Clusters (H2O)n (n=11-13) Through a Genetic Evolutionary Approach
J. Chem. Phys. 2002, 116, 8327-8333.
[RLJ02/6]
Lesley D. Lloyd, Roy L. Johnston, Christopher Roberts and Thomas V. Mortimer-Jones
Geometry Optimization of Aluminium Clusters Using a Genetic Algorithm
Chem.Phys.Chem 2002, 3, 408-415.
[RLJ02/7]
Lyndsey M. Greig, Benson M. Kariuki, Scott Habershon, Neil Spencer, Roy L. Johnston, Kenneth D. M. Harris and Douglas Philp
Solid-state and Solution Phase Reactivity of 10-hydroxy-10,9-boroxophenanthrene: a Model Building Block for Self-assembly Processes
New J. Chem. 2002, 26, 701-710.
[RLJ02/8]
Kenneth D. M. Harris, Roy L. Johnston, Eugene Y. Cheung, Giles W. Turner, Scott Habershon, David Albesa-Jové, Emilio Tedesco and Benson M. Kariuki
Recent Advances in Opportunities for Solving Molecular Crystal Structures Directly from Powder Diffraction Data: New Insights in Crystal Engineering Contexts
CrystEngComm 2002, 4, 356-367.
[RLJ02/9]
Nicholas T. Wilson and Roy L. Johnston
Passivated Clusters: A Theoretical Investigation of the Effect of Surface Ligation on Cluster Geometry
Phys.Chem.Chem.Phys. 2002, 4, 4168-4171.
[RLJ02/10]
Nicholas T. Wilson and Roy L. Johnston
A Theoretical Study of Atom Ordering in Copper-Gold Nanoalloy Clusters
J. Mater. Chem. 2002, 12, 2913-2922.
[RLJ02/11]
Claire Massen, Thomas V. Mortimer-Jones and Roy L. Johnston
Geometries and Segregation Properties of Platinum-Palladium Nanoalloy Clusters
J.Chem.Soc., Dalton Trans. 2002, 4375-4388.
[RLJ02/12]
Kenneth D. M. Harris, Roy L. Johnston, Giles W. Turner, Emilio Tedesco, Eugene Y. Cheung and Benson M. Kariuki
Recent Advances in the Opportunities for Solving Molecular Crystal Structures Directly from Powder Diffraction Data
Mol. Cryst. Liq. Cryst. 2002, 389, 123-129.

[RLJ03/1]
Roy L. Johnston and Christopher Roberts
Genetic Algorithms for the Geometry Optimization of Clusters and Nanoparticles
in Soft Computing Approaches in Chemistry (Eds. H. M. Cartwright and L. M. Sztandera)
Studies in Fuzziness and Soft Computing (Springer-Verlag, Heidelberg) 2003, 120, 161-204. ISBN 3-540-00245-6.
[RLJ03/2]
Dean C. Sayle and Roy L. Johnston
Evolutionary Techniques in Atomistic Simulation: Thin Films and Nanoparticles
Curr. Opin. Sol. State Mater. Sci. 2003, 7, 3-12.
[RLJ03/3]
Mark S. Bailey, Nicholas T. Wilson, Christopher Roberts and Roy L. Johnston
Structures, Stabilities and Ordering in Ni-Al Nanoalloy Clusters
Eur. Phys. J. 2003, D 25, 41-55.
[RLJ03/4]
R. A. Lordeiro, Freddy F. Guimarães, Jadson C. Belchior and Roy L. Johnston
Determination of Main Structural Compositions of Nanoalloy Clusters of CuxAuy (x+y<=30) Using a Genetic Algorithm Approach
Int. J. Quant. Chem. 2003, 95, 112-125.
[RLJ03/5]
Eugene Y. Cheung, Kenneth D. M. Harris, Roy L. Johnston, Kelly L. Hadden and Marek Zakrzewski
Polymorphism of a Novel Sodium Ion Channel Blocker
J. Pharm. Sci. 2003, 92 2017-2026.
[RLJ03/6]
Scott Habershon, Kenneth D. M. Harris and Roy L. Johnston
Development of a Multi-population Parallel Genetic Algorithm for Structure Solution from Powder Diffraction Data
J. Comp. Chem. 2003, 24, 1766-1774.
[RLJ03/7]
Roy L. Johnston
(Dalton Perspective) Evolving Better Nanoparticles: Genetic Algorithms for Optimising Cluster Geometries
Dalton Transactions 2003, 4193-4207.

[RLJ04/1]
Scott Habershon, Eugene Y. Cheung, Kenneth D. M. Harris and Roy L. Johnston
Powder Diffraction Indexing as a Pattern Recognition Problem: A New Approach for Unit Cell Determination Based on an Artificial Neural Network
J. Phys. Chem. A 2004, 108, 711-716.
[RLJ04/2]
Scott Habershon, David Albesa-Jové, Eugene Y. Cheung, Giles W. Turner, Roy L. Johnston and Kenneth D. M. Harris
Fundamental Developments in Direct-Space Techniques for Structure Solution from Powder Diffraction Data
Mater. Sci. Forum 2004, 443-444, 11-22.
[RLJ04/3]
Kenneth D. M. Harris, Roy L. Johnston and Scott Habershon
Applications of Evolutionary Computation in Structure Determination from Diffraction Data
in Applications of Evolutionary Computation in Chemistry (Ed. R. L. Johnston)
Struct. Bond. (Springer-Verlag, Heidelberg) 2004, 110, 55-94.
[RLJ04/4]
Eugene Y. Cheung, Kenneth D. M. Harris, Roy L. Johnston, Simon J. Kitchin, Kelly L. Hadden and Marek Zakrzewski
Rationalizing the Structural Properties of Bupivacaine Base - a Local Anesthetic - Directly from Powder X-ray Diffraction Data
J. Pharm. Sci. 2004, 93, 667-674.
[RLJ04/5]
Scott Habershon, Eugene Y. Cheung, Kenneth D. M. Harris and Roy L. Johnston
An Efficient Algorithm for Calculating Whole-profile Functions in Crystal Structure Solution from Powder Diffraction Data
Chem. Phys. Lett. 2004, 390, 394-398.
[RLJ04/6]
Lesley D. Lloyd, Roy L. Johnston, Said Salhi and Nicholas T. Wilson
Theoretical Investigation of Isomer Stability in Platinum-Palladium Nanoalloy Clusters
J. Mater. Chem. 2004, 14, 1691-1704.
[RLJ04/7]
Lesley D. Lloyd, Roy L. Johnston and Said Salhi
Development of a Genetic Algorithm for Optimization of Nanoalloys
Lect. Notes Comp. Sci. 2004, 3103, 1316-1317.
[RLJ04/8]
Graham A. Cox, Thomas V. Mortimer-Jones, Robert P. Taylor and Roy L. Johnston
Development and Optimisation of a Novel Genetic Algorithm for Studying Model Protein Folding
Theor. Chem. Acc. 2004, 112, 163-178.
[RLJ04/9]
Ali Alavi, R. Julian C. Brown, Scott Habershon, Kenneth D. M. Harris and Roy L. Johnston
Ammonium Cyanate: a DFT Study of Crystal Structure, Rotational Barriers and Vibrational Spectrum
Mol. Phys. 2004, 102, 869-876.
[RLJ04/10]
Kenneth D. M. Harris, Scott Habershon, Eugene Y. Cheung and Roy L. Johnston
Developments in Genetic Algorithm Techniques for Structure Solution from Powder Diffraction Data
Z. Kristall. 2004, 219 838-846.

[RLJ05/1]
Tamiki Komatsuzaki, Kyoko Hoshino, Yasuhiro Matsunaga, Gareth J. Rylance, Roy L. Johnston and David J. Wales
How Many Dimensions are Required to Approximate the Potential Energy Landscape of a Model Protein?
J. Chem. Phys. 2005, 122, 084714.
[RLJ05/2]
Arnaldo Rapallo, Giulia Rossi, Riccardo Ferrando, Alessandro Fortunelli, Benjamin C. Curley, Lesley D. Lloyd, Gary M. Tarbuck, and Roy L. Johnston
Global Optimization of Bimetallic Cluster Structures. I. Size-mismatched Ag-Cu, Ag-Ni and Au-Cu Systems
J. Chem. Phys. 2005, 122, 194308.
[RLJ05/3]
Giulia Rossi, Riccardo Ferrando, Arnaldo Rapallo, Alessandro Fortunelli, Benjamin C. Curley, Lesley D. Lloyd, and Roy L. Johnston
Global Optimization of bimetallic cluster structures. II. Size-matched Ag-Pd, Ag-Au, and Pd-Pt systems
J. Chem. Phys. 2005, 122, 194309.
[RLJ05/4]
Lesley D. Lloyd, Roy L. Johnston and Said Salhi
Strategies for Increasing the Efficiency of a Genetic Algorithm for the Structural Optimization of Nanoalloy Clusters
J. Comp. Chem. 2005, 26,1069-1078.

[RLJ06/1]
Graham A. Cox and Roy L. Johnston
Analyzing Energy Landscapes for Folding Model Proteins
J. Chem. Phys. 2006, 124, 204714.
[RLJ06/2]
Nicholas T. Wilson, Mark S. Bailey and Roy L. Johnston
Atom Ordering in Cuboctahedral Ni-Al Nanoalloys
Inorg. Chim. Acta 2006, 359 , 3649-3658.
[RLJ06/3]
Laura Mitchem, Jariya Buajerern, Rebecca J. Hopkins, Andrew D. Ward, Richard J. J. Gilham, Roy L. Johnston and Jonathan P. Reid
Spectroscopy of Growing and Evaporating Water Droplets: Exploring the Variation in Equilibrium Droplet Size with Relative Humidity
J. Phys. Chem. A 2006, 110, 8116-8125.
[RLJ06/4]
Graham A. Cox, R. Stephen Berry and Roy L. Johnston
Characterizing Potential Energy Surface Topographies Through the Distribution of Saddles and Minima
J. Phys. Chem. A 2006, 110, 11543-11550.
[RLJ06/5]
Gareth J. Rylance, Roy L. Johnston, Yasuhiro Matsunaga, Chun-Biu Li, Akinori Baba and Tamiki Komatsuzaki
Topographical Complexity of Multidimensional Energy Landscapes
Proc. Natl. Acad. Sci. USA 2006, 103, 18551-18555.

[RLJ07/1]
L. Oliver Paz-Borbón, Roy L. Johnston, Giovanni Barcaro and Alessandro Fortunelli
A Mixed Structural Motif in 34-atom Pd-Pt Clusters
J. Phys. Chem. C 2007, 111, 2936-2941.
[RLJ07/2]
Zhongfu Zhou, Veronique Siegler, Eugene Y. Cheung, Scott Habershon, Kenneth D. M. Harris and Roy L. Johnston
Redefining Variable-Space: Advantages in Direct-Space Structure Solution from Powder X-Ray Diffraction Data
ChemPhysChem 2007, 8, 650-653.
[RLJ07/3]
Fuyi Chen and Roy L. Johnston
Structural and Spectral Characteristics of the Nanoalloy Ag3Au10
Appl. Phys. Lett. 2007, 90, 153123.
[RLJ07/4]
Benjamin C. Curley, Giulia Rossi, Riccardo Ferrando and Roy L. Johnston
Theoretical Study of Structure and Segregation in 38-atom Ag-Au Nanoalloys
Eur. Phys. J. D 2007, 43, 53-56.
[RLJ07/5]
Nicola Toto, Riccardo Ferrando, Roy L. Johnston and Quanmin Guo
Theoretical Investigations of Nanopatterning on the Au(111) Surface
Surf. Sci. 2007, 601, 4175-4179.
[RLJ07/6]
Nicola Toto, Riccardo Ferrando, Quanmin Guo and Roy L. Johnston
Nanofinger Growth on Au(111) Arising from Kinetic Instability
Phys. Rev. B 2007, 75, 195434.
[RLJ07/7]
Fuyi Chen, Benjamin C. Curley, Giulia Rossi and Roy L. Johnston
Structure, Melting and Thermal Stability of 55-atom Ag-Au Nanoalloys
J. Phys. Chem. C 2007, 111, 9157-9165.
[RLJ07/8]
L. Oliver Paz-Borbón, Thomas V. Mortimer-Jones, Roy L. Johnston, Alvaro Posada-Amarillas, Giovanni Barcaro and Alessandro Fortunelli
Structures and Energetics of 98-atom Pd-Pt Nanoalloys: Potential Stability of the Leary Tetrahedron for Bimetallic Nanoparticles
Phys. Chem. Chem. Phys. 2007, 9, 5202-5208.
[RLJ07/9]
Benjamin C. Curley, Roy L. Johnston, Neil P. Young, Ziyou Li, Marcel Di Vece, Richard E. Palmer and Andrew L. Bleloch
Combining Theory and Experiment to Characterize the Atomic Structures of Surface-Deposited Au309 Clusters
J. Phys Chem. C 2007, 111, 17846-17851.

[RLJ08/1]
Ziyou Li, Neil P. Young, Marcel Di Vece, Stefano Palomba, Richard E. Palmer, Andrew L. Bleloch, Benjamin C. Curley, Roy L. Johnston, Jun Jiang and Jun Yuan
Three-dimensional Atomic-scale Structure of Size-selected Gold Nanoclusters
Nature 2008, 451, 46-48.
[RLJ08/2]
Fuyi Chen and Roy L. Johnston
Martensitic Transformations in Ag-Au Bimetallic Core-shell Nanoalloys
Appl. Phys. Lett. 2008, 92, 023112.
[RLJ08/3]
Fuyi Chen and Roy L. Johnston
Energetic, Electronic and Thermal Effects on Structural Properties of Ag-Au Nanoalloys
ACS Nano 2008, 2, 165-175.
[RLJ08/4]
Riccardo Ferrando, Alessandro Fortunelli and Roy L. Johnston
(PCCP Perspective) Searching for the Optimum Structures of Alloy Nanoclusters
Phys. Chem. Chem. Phys. 2008, 10, 640-649.
[RLJ08/5]
Roy L. Johnston and Riccardo Ferrando
Preface (to Faraday Discussion 138: Nanoalloys - From Theory to Application)
Faraday Disc. 2008, 138, 9-10.
[RLJ08/6]
Ziyou Li, Jess P. Wilcoxon, Feng Yin, Yu Chen, Richard E. Palmer and Roy L. Johnston
Structures and Optical Properties of 4-5 nm Bimetallic AgAu Nanoparticles
Faraday Disc. 2008, 138, 363-373.
[RLJ08/7]
Riccardo Ferrando, Julius Jellinek and Roy L. Johnston
Nanoalloys: From Theory to Applications of Alloy Clusters and Nanoparticles
Chem. Rev. 2008, 108, 845-910.
[RLJ08/8]
L. Oliver Paz-Borbón, Roy L. Johnston, Giovanni Barcaro and Alessandro Fortunelli
Structural Motifs, Mixing and Segregation Effects in 38-atom Binary Clusters
J. Chem. Phys. 2008, 128, 134517.
[RLJ08/9]
Fuyi Chen and Roy L. Johnston
Charge Transfer Driven Surface Segregation of Gold Atoms in 13-atom Au-Ag Nanoalloys and its Relevance to their Structural, Optical and Electronic Properties
Acta Materialia 2008, 56, 2374-2380.
[RLJ08/10]
Roy L. Johnston
Discussion Column: Commentary on "Structure Prediction and Global Optimization" (by M. Locatelli and F. Schoen)
Optima (Mathematical Programming Society Newsletter) 2008, 76, 17.
[RLJ08/11]
L. Oliver Paz-Borbón, Abhishek Gupta and Roy L. Johnston
Dependence of the Structures and Chemical Ordering of Pd-Pt Nanoalloys on Potential Parameters
J. Mater. Chem. 2008, 18, 4154-4164.
[RLJ08/12]
Andrew J. Bennett, Roy L. Johnston, Eleanor Turpin and Jun Q. He
Analysis of an Immune Algorithm for Protein Structure Prediction
Informatica 2008, 32, 245-251.

[RLJ09/1]
A. N. Kravtsova, V. L. Mazalova, G. E. Yalogeva, A. V. Soldatov and R. L. Johnston
Analysis of the X-ray Absorption Fine Structure Near the TiL2,3 Edge in Free Titanium Nanoclusters
J. Surf. Invest. X-ray, Synch. & Neutron Tech. (Poverkhnost'. Rentgenovskie, Sinkhrotronnye i Neitronnye Issledovaniya) 2009, 3, 38-40.
[RLJ09/2]
Wojciech Paszkowicz, Kenneth D. M. Harris and Roy L. Johnston
Genetic Algorithms: A Universal Tool for Solving Computational Tasks in Materials Science.
[Preface to the proceedings of GAMS2007: Symposium G (Genetic Algorithms in Materials Sciance and Engineering), EMRS Fall Meeting 2007 (Warsaw).]
Comput. Mater. Sci. 2009, 45, ix-x.
[RLJ09/3]
Andrew Logsdail, L. Oliver Paz-Borbón and Roy L. Johnston
Structures and Stabilities of Platinum-Gold Nanoclusters
J. Comp. Theor. Nanosci. 2009, 6, 857-866.
[RLJ09/4]
L. Oliver Paz-Borbón, Roy L. Johnston, Giovanni Barcaro and Alessandro Fortunelli
Chemisorption of CO and H on Pd, Pt and Au Nanoclusters
Eur. Phys. J. D 2009, 52, 131-134.
[RLJ09/5]
Victoria Mazalova, Alexander Soldatov, Roy L. Johnston, Alexei Yakovlev, Thomas Moller and Sorin Adam
Small Copper Clusters in Ar shells: Study of Local Structure
J. Phys. Chem. C 2009, 113, 9086-9091.
[RLJ09/6]
Faye Pittaway, L. Oliver Paz-Borbón, Roy L. Johnston, Haydar Arslan, Riccardo Ferrando, Christine Mottet, Giovanni Barcaro and Alessandro Fortunelli
Theoretical Studies of Palladium-Gold Nanoclusters: Pd-Au Clusters with up to 50 Atoms
J. Phys. Chem. C 2009, 113, 9141-9152.
[RLJ09/7]
Fuyi Chen and Roy L. Johnston
Plasmonic Properties of Silver Nanoparticles on Two Substrates
Plasmonics 2009, 4, 147-152.
[RLJ09/8]
Dora J. Borbón-González, Rafael Pacheco-Contreras, Alvaro Posada-Amarillas, J. Christian Schön, Roy L. Johnston and Juan Martin Montejano-Carizales
Structural Insights into 19-atom Nanoparticles: A Computational Perspective
J. Phys. Chem. C 2009, 113, 15904-15908.
[RLJ09/9]
Dung T. Tran and Roy L. Johnston
Theoretical Study of Cu38-nAun Clusters Using a Combined Empirical Potential/Density Functional Approach
Phys. Chem. Chem. Phys. 2009, 11, 10340-10349.

[RLJ10/1]
Rafael Pacheco-Contreras, Alvaro Arteaga-Guerrero, Dora J. Borbón-González, Alvaro Posada-Amarillas, J. Christian Schön and Roy L. Johnston
Energetic and Structural Analysis of 102-atom Pd-Pt Nanoparticles: A Composition-dependent Study
J. Comp. Theor. Nanosci. 2010, 7, 199-204.
[RLJ10/2]
Ramli Ismail and Roy L. Johnston
Investigation of the Structures and Chemical Ordering of Small Pd-Au Clusters as a Function of Composition and Potential Parameterisation
Phys. Chem. Chem. Phys. 2010, 12, 8607-8619.
[RLJ10/3]
Sara Nunez and Roy L. Johnston
Structure and Chemical Ordering of Small Cu-Ag Clusters
J. Phys. Chem. C 2010, 114, 13255-13266. Free e-print.
[RLJ10/4]
Dung T. Tran, Ian P. Jones, Roy L. Johnston, Jon A. Preece and Coenraad R. van den Brom
Truncated-Octahedral Copper-Gold Nanoparticles
J. Phys.: Conf. Ser. 2010, 241, 012086.
[RLJ10/5]
Paul S. West, Roy L. Johnston, Giovanni Barcaro and Alessandro Fortunelli
The Effect of CO and H Chemisorption on the Chemical Ordering of Bimetallic Clusters
J. Phys. Chem. C 2010, 114, 19678-19686.
[RLJ10/6]
Andrew J. Logsdail, Nikki J. Cookson, Sarah L. Horswell, Z. W. Wang, Z. Y. Li and Roy L. Johnston
Theoretical and Experimental Studies of the Optical Properties of Conjoined Gold-Palladium Nanospheres
J. Phys. Chem. C 2010, 114, 21247-21251. Free e-print.

[RLJ11/1]
Dung T. Tran and Roy L. Johnston
Study of 40-atom Pt-Au Clusters Using a Combined Empirical Potential-Density Functional Approach
Proc. Roy. Soc. A 2011, 2131, 2004-2019.
One of the top 10 downloaded articles in Proc. Roy. Soc. A published in 2011. Available free here until the end of 2012.
[RLJ11/2]
Fuyi Chen, Ziyou Li and Roy L. Johnston
Surface Reconstruction Precursor to Melting in Au309 Clusters
AIP Advances 2011, 1, 032105.
Open Access Journal.
[RLJ11/3]
Dung T. Tran, Ian P. Jones, Jon A. Preece, Roy L. Johnston and Coenraad R. van den Brom
TEM Characterization of Chemically Synthesized Copper-Gold Nanoparticles
J. Nanopart. Res. 2011, 13, 4229-4237.
[RLJ11/4]
Fuyi Chen, Negash Alemu and Roy L. Johnston
Collective Plasmon Modes in a Compositionally Asymmetric Nanoparticle Dimer
AIP Advances 2011, 1, 034103. [See article on NanotechWeb.]
Open Access Journal.
[RLJ11/5]
Mark T. Oakley, David J. Wales and Roy L. Johnston
Energy Landscape and Global Optimisation for a Frustrated Model Protein
J. Phys. Chem. B 2011, 115, 11525-11529.
Open Access through ACS AuthorChoice.

[RLJ12/1]
Andrew J. Logsdail, Ziyou Li and Roy L. Johnston
Development and Optimisation of a Novel Genetic Algorithm for Identifying Nanoclusters from Scanning Transmission Electron Microscopy Images
J. Comput. Chem. 2012, 33, 391-400.
[RLJ12/2]
Sven Heiles, Andrew J. Logsdail, Rolf Schaefer and Roy L. Johnston
Dopant-induced 2D-3D Transition in Small Au-containing Clusters: DFT-Global Optimisation of 8-atom Au-Ag Nanoalloys
Nanoscale, 2012, 4, 1109-1115.
RSC Open Science free article.
[RLJ12/3]
Paul C. Jennings, Bruno G. Pollet and Roy L. Johnston
Theoretical Studies of Pt-Ti Nanoparticles for Potential Use as PEMFC Electrocatalysts
Phys. Chem. Chem. Phys., 2012, 14, 3134-3139.
[RLJ12/4]
Dung T. Tran, Ian P. Jones, Jon A. Preece, Roy L. Johnston, Kevin Deplanche and Lynne E. Macaskie
Configuration of Microbially Synthesized Pd-Au Nanoparticles Studied by STEM-based Techniques
Nanotechnology, 2012, 23, 055701.
[RLJ12/5]
Roy L. Johnston
Metal Nanoparticles and Nanoalloys.
In Roy Johnston, Jess Wilcoxon, editors: Metal Nanoparticles and Nanoalloys, Frontiers of Nanoscience, Vol. 3, Elsevier: UK, 2012, 1-42.
[RLJ12/6]
Mark T. Oakley, David J. Wales and Roy L. Johnston
The Effect of Non-native Interactions on the Energy Landscapes of Frustrated Model Proteins
J. Atom. Molec. Opt. Phys., 2012, 192613.
Open Access Journal.
[RLJ12/7]
Fuyi Chen, Li Yuan and Roy L. Johnston
Low-loss Optical Magnetic Metamaterials on Ag-Au Bimetallic Fishnets
Journal of Magnetism and Magnetic Materials, 2012, 324, 2625-2630.
[RLJ12/8]
Ruth Chantry, Wilai Siriwatcharapiboon, Sarah L. Horswell, Andrew J. Logsdail, Roy L. Johnston and Ziyou Li
Overgrowth of Rhodium on Gold Nanorods
J. Phys. Chem. C, 2012, 116, 10312-10317.
Open Access through ACS AuthorChoice.
[RLJ12/9]
Daniel A. Goetz, Sven Heiles, Roy L. Johnston and Rolf Schaefer
Gas Phase Structures of Bare Si8 and Si11 Clusters from Molecular Beam Electric Deflection Experiments
J. Chem. Phys., 2012, 136, 186101.
Download pdf here.
Copyright (2012) American Institute of Physics. This article may be downloaded for personal use only.
Any other use requires prior permission of the author and the American Institute of Physics.
[RLJ12/10]
Rafael Pacheco-Contreras, Maribel Dessens-Felix, Dora J. Borbon-Gonzalez, L. Oliver Paz-Borbon, Roy L. Johnston, J. Christian Schoen and Alvaro Posada-Amarillas
Tetrahelix Conformations and Transformation Pathways in Pt1Pd12 Clusters
J. Phys. Chem. A, 2012, 116, 5235-5239.
[RLJ12/11]
Andrew J. Logsdail and Roy L. Johnston
Interdependence of Structure and Chemical Order in High Symmetry (PdAu)N Nanoclusters
RSC Adv., 2012, 2, 5863-5869.
Free content available.
[RLJ12/12]
Sven Heiles, Kathrin Hofmann, Roy L. Johnston and Rolf Schaefer
Nine-atom Tin-bismuth Clusters: Mimicking Excess Electrons by Element Substitution
ChemPlusChem, 2012, 77, 532-535.
[RLJ12/13]
Sven Heiles, Roy L. Johnston and Rolf Schaefer
Bismuth-Doped Tin Clusters: Experimental and Theoretical Studies of Neutral Zintl Analogues
J. Phys. Chem. A, 2012, 116, 7756-7764.
[RLJ12/14]
Paul Jennings, Bruno G. Pollet and Roy L. Johnston
Electronic Properties of Pt-Ti Nanoalloys and the Effect on Reactivity for Use in PEMFCs
J. Phys. Chem. C, 2012, 116, 15241-15250.
[RLJ12/15]
Andrew J. Logsdail and Roy L. Johnston
Predicting the Optical Properties of Core-Shell Segregated and Janus Au-M Nanoparticles (M = Ag, Pd)
J. Phys. Chem. C, 2012, 116, 23616-23628.

[RLJ13/1]
Alina Bruma, Ramli Ismail, L. Oliver Paz-Borbon, Haydar Arslan, Giovanni Barcaro, Alessandro Fortunelli, Z. Y. Li and Roy L. Johnston
DFT Study of the Structures and Energetics of 98-atom AuPd Clusters
Nanoscale, 2013, 5, 646-652.
RSC Open Science free article.
[RLJ13/2]
Mark T. Oakley and Roy L. Johnston
Exploring the Energy Landscapes of Cyclic Tetrapeptides with Discrete Path Sampling
J. Chem. Theory Comput., 2013, 9, 650-657.
Open Access through ACS AuthorChoice.
[RLJ13/3]
Ramli Ismail, Riccardo Ferrando and Roy L. Johnston
Theoretical Study of the Structures and Chemical Ordering of Palladium-Gold Nanoalloys Supported on MgO(100)
J. Phys. Chem. C, 2013, 117, 293-301.
[RLJ13/4]
Mark T. Oakley, Roy L. Johnston and David J. Wales
Symmetrisation Schemes for Global Optimisation of Atomic Clusters
Phys.Chem.Chem.Phys. 2013, 15, 3965-3976.
RSC Open Science free article.
[RLJ13/5]
Christopher J. Heard and Roy L. Johnston
A Density Functional Global Optimisation Study of Neutral 8-atom Cu-Ag and Cu-Au Clusters
Europhys. J. D 2013, 67, 34.
Topical Issue: ISSPIC16 - 16th International Symposium on Small Particles and Inorganic Clusters. Guest editors: Kristiaan Temst, Margriet J. Van Bael, Ewald Janssens, H.-G. Boyen and Francoise Remacle
[RLJ13/6]
John Fennell, Dongsheng He, Anicetus Muche Tanyi, Andrew J. Logsdail, Roy L. Johnston, Z. Y. Li and Sarah L. Horswell
A Selective Blocking Method To Control the Overgrowth of Pt on Au Nanorods
J. Am. Chem. Soc. 2013, 135, 6554-6561.
Open Access through ACS AuthorChoice.
[RLJ13/7]
Andrew J. Logsdail, Z. Y. Li and Roy L. Johnston
Faceting Preferences for AuN and PdN Nanoclusters with High-Symmetry Motifs
Phys.Chem.Chem.Phys. 2013, 15, 8392-8400.
[RLJ13/8]
Ivailo Atanasov, Giovanni Barcaro, Fabio R. Negreiros, Alessandro Fortunelli, and Roy L. Johnston
Modelling the Metal-on-Top Effect for Pd Clusters on the MgO{100} Substrate
J. Chem. Phys. 2013, 138, 224703.
Download pdf here.
Copyright (2013) American Institute of Physics. This article may be downloaded for personal use only.
Any other use requires prior permission of the author and the American Institute of Physics.
[RLJ13/9]
Rafael Pacheco-Contreras, Dora J. Borbon-Gonzalez, Maribel Dessens-Felix, Lauro Oliver Paz-Borbon, Roy L. Johnston, J. Christian Schoen, Martin Jansen and Alvaro Posada-Amarillas
Determination of the Energy Landscape of Pd12Pt1 Using a Combined Genetic Algorithm and Threshold Energy Method
RSC Adv. 2013, 3, 11571-11579.
Free content available.
[RLJ13/10]
Mark T. Oakley, Emmanuel Oheix, Anna F. A. Peacock, and Roy L. Johnston
Computational and Experimental Investigations into the Conformations of Cyclic Tetra-alpha/beta-Peptides
J. Phys. Chem. B, 2013, 117, 8122-8134.
[RLJ13/11]
Gihan Kwon, Glen A. Ferguson, Christopher J. Heard, Eric C. Tyo, Chunrong Yin, Janae DeBartolo, Soenke Seifert, Randall E. Winans , Arthur J. Kropf, Jeffrey Greeley, Roy L. Johnston, Larry A. Curtiss, Michael J. Pellin and Stefan Vajda
Size-Dependent Subnanometer Pd Cluster (Pd4, Pd6 and Pd17) Water Oxidation Electrocatalysis
ACS Nano, 2013, 7, 5808-5817.
See US DOE Science Highlight: Palladium Cluster Size Matters.
[RLJ13/12]
Ruth L. Chantry, Ivailo Atanasov, Wilai Siriwatcharapiboon, Bishnu P. Khanal, Eugene R. Zubarev, Sarah L. Horswell, Roy L. Johnston and Z. Y. Li
An Atomistic View of the Interfacial Structures of AuRh and AuPd Nanorods
Nanoscale, 2013, 5, 7452-7457.
[RLJ13/13]
Paul S. West, Roy L. Johnston, Giovanni Barcaro and Alessandro Fortunelli
Effect of CO and H Adsorption on the Compositional Structure of Binary Nanoalloys via DFT Modeling
Eur. Phys. J D, 2013, 67, 165.
[RLJ13/14]
Sven Heiles and Roy L. Johnston
Global Optimization of Clusters using Electronic Structure Methods
Int. J. Quant. Chem., 2013, 113, 2091-2109.
Open Access.
See Materials Views article: Global optimization of clusters.
[RLJ13/15]
Alina Bruma, Fabio R. Negreiros, Songhai Xie, Tatsuya Tsukuda, Roy L. Johnston, Alessandro Fortunelli and Z. Y. Li
Direct Atomic Imaging and Density Functional Theory Study of the Au24Pd1 Cluster Catalyst
Nanoscale, 2013, 5, 9620-9625.
[RLJ13/16]
Paul C. Jennings and Roy L. Johnston
Structures of Small Ti- and V-doped Pt Clusters: A GA-DFT Study
Comp. Theor. Chem., 2013, 1021, 91-100.
Open Access.
[RLJ13/17]
Armin Shayeghi, Roy L. Johnston and Rolf Schaefer
Evaluation of Photodissociation Spectroscopy as a Structure Elucidation Tool for Isolated Clusters: A Case Study for Ag4+ and Au4+
Phys.Chem.Chem.Phys., 2013, 15, 19715-19723.
[RLJ13/18]
Andrew J. Logsdail, Roy L. Johnston and Jaakko Akola
Improving the Adsorption of Au Atoms and Nanoparticles on Graphite via Li-intercalation
J. Phys. Chem. C, 2013, 117, 22683-22695.
[RLJ13/19]
Dora Borbon-Gonzalez, Alessandro Fortunelli, Giovanni Barcaro, Luca Sementa, Roy L. Johnston and Alvaro Posada-Amarillas
Global Minimum Pt13M20 (M=Ag, Au, Cu, Pd) Dodecahedral Core-Shell Clusters
J. Phys. Chem. A, 2013, 117, 14261-14266.
[RLJ13/20]
Mark T. Oakley, E. Grace Richardson, Harriet Carr and Roy L. Johnston
Protein Structure Optimisation With a "Lamarckian" Ant Colony Algorithm
IEEE/ACM Transactions on Computational Biology and Bioinformatics, 2013, 10, 1548-1552.

[RLJ14/1]
Paul C. Jennings, Hristiyan A. Aleksandrov, Konstantin M. Neyman and Roy L. Johnston
A DFT Study of Oxygen Dissociation on Platinum Based Nanoparticles
Nanoscale, 2014, 6, 1153-1165.
[RLJ14/2]
Jack B. A. Davis, Sarah L. Horswell and Roy L. Johnston
Global Optimization of 8-10 Atom Palladium-Iridium Nanoalloys at the DFT Level
J. Phys. Chem. A, 2014, 118, 208-214.
[RLJ14/3]
Armin Shayeghi, Christopher J. Heard, Roy L. Johnston and Rolf Schaefer
Optical and Electronic Properties of Mixed Ag-Au Tetramer Cations
J. Chem. Phys., 2014, 140, 054312.
Download pdf here.
Copyright (2014) American Institute of Physics. This article may be downloaded for personal use only.
Any other use requires prior permission of the author and the American Institute of Physics.
[RLJ14/4]
Christopher J. Heard, Stefan Vajda, and Roy L. Johnston
Support and Oxidation Effects on Subnanometer Palladium Nanoparticles
J. Phys. Chem. C, 2014, 118, 3581-3589.
[RLJ14/5]
Mark T. Oakley and Roy L. Johnston
Energy Landscapes and Global Optimisation of Self-Assembling Cyclic Peptides
J. Chem. Theory Comput., 2014, 10, 1810-1816.
[RLJ14/6]
Daniel Goetz, Armin Shayeghi, Roy L. Johnston, Peter Schwerdtfeger, and Rolf Schaefer
Influence of Spin-orbit Effects on Structures and Dielectric Properties of Neutral Lead Clusters
J. Chem. Phys., 2014, 140, 164313.
[RLJ14/7]
Ivailo Atanasov, Riccardo Ferrando and Roy L. Johnston
Structure and Solid Solution Properties of Cu-Ag Nanoalloys
J. Phys.: Condens. Matter, 2014, 26, 275301.
Available through IOP Select.
[RLJ14/8]
Lewis C. Smeeton, Mark T. Oakley, and Roy L. Johnston
Visualising Energy Landscapes with Metric Disconnectivity Graphs
J. Comput. Chem., 2014, 35, 1481-1490.
OnlineOpen Article.
[RLJ14/9]
Richard Aveyard, Riccardo Ferrando, Roy L. Johnston and Jun Yuan
Modelling Nanoscale Inhomogeneities for Quantitative HAADF-STEM Imaging
Phys. Rev. Lett., 2014, 113, 075501.
[RLJ14/10]
Christopher J. Heard and Roy L. Johnston
A Theoretical Study of the Structures and Optical Spectra of Helical Copper-Silver Clusters
Phys.Chem.Chem.Phys., 2014, 116, 21039-21048.
Part of themed issue: High Performance Computing in the Chemistry of Materials.
[RLJ14/11]
Christopher J. Heard, Sven Heiles, Stefan Vajda and Roy L. Johnston
PdnAg(4-n) and PdnPt(4-n) clusters on MgO (100): A Density Functional Surface Genetic Algorithm Investigation
Nanoscale, 2014, 6, 11777-11788.
[RLJ14/12]
Ruth L. Chantry, Ivailo Atanasov, Sarah L. Horswell, Ziyou Li, and Roy L. Johnston
Interfacial Structures and Bonding in Metal-Coated Gold Nanorods
Struct. Bond., 2014, 162, 67-90.
[RLJ14/13]
Armin Shayeghi, Roy L. Johnston, and Rolf Schaefer
Global Minimum Search of Ag10+ with Molecular Beam Optical Spectroscopy
J. Chem. Phys., 2014, 141, 181104.
[RLJ14/14]
Paul C. Jennings, Hristiyan A. Aleksandrov, Konstantin M. Neyman and Roy L. Johnston
DFT Studies of Oxygen Dissociation on the 116-atom Platinum Truncated Octahedron Particle
Phys.Chem.Chem.Phys., 2014, 16, 26539-26545.
Part of themed collection: Size Selected Clusters and Particles: from Physical Chemistry to Catalysis.
[RLJ14/15]
Jack B. A. Davis, Roy L. Johnston, Leonid Rubinovich, and Micha Polak
Comparative Modelling of Chemical Ordering in Palladium-Iridium Nanoalloys
J. Chem. Phys., 2014, 141, 224307.

[RLJ15/1]
Armin Shayeghi, Dominic Goetz, Jack B. A. Davis, Rolf Schaefer and Roy L. Johnston
Pool-BCGA: A Parallel Generation-Free Genetic Algorithm for the Ab Initio Global Optimisation of Nanoalloy Clusters
Phys.Chem.Chem.Phys., 2015, 17, 2104-2112.
[RLJ15/2]
Christopher J. Heard, Roy L. Johnston and J. Christian Schoen
Energy Landscape Exploration of Subnanometre Copper-Silver Clusters
Chem.Phys.Chem., 2015, 16, 1461-1469.
[RLJ15/3]
Lewis C. Smeeton, James D. Farrell, Mark T. Oakley, David J. Wales and Roy L. Johnston
Structures and Energy Landscapes of Hydrated Sulfate Clusters
J. Chem. Theory Comput., 2015, 11, 2377-2384.
[RLJ15/4]
Paul C. Jennings, Hristiyan A. Aleksandrov, Konstantin M. Neyman, and Roy L. Johnston
O2 Dissociation on M@Pt Core-Shell Particles for 3d, 4d and 5d Transition Metals
J. Phys. Chem. C, 2015, 119, 11031-11041.
[RLJ15/5]
Armin Shayeghi, Daniel A. Goetz, Roy L. Johnston and Rolf Schaefer
Optical Absorption Spectra and Structures of Ag6+ and Ag8+
Eur. Phys. J. D, 2015, 69, 152.
[RLJ15/6]
Armin Shayeghi, Rolf Schaefer, David M. Rayner, Roy L. Johnston and Andre Fielicke
Charge-induced Dipole vs. Relativistically Enhanced Covalent Interactions in Ar-tagged Au-Ag Tetramers and Pentamers
J. Chem. Phys., 2015, 143, 024310.
[RLJ15/7]
Jack B. A. Davis, Sarah L. Horswell, Laurent Piccolo and Roy L. Johnston
Computational Study of the Adsorption of Benzene and Hydrogen on Palladium-Iridium Nanoalloys
J. Organomet. Chem., 2015, 792, 190-193.
[RLJ15/8]
Jack B. A. Davis, Armin Shayeghi, Sarah L. Horswell and Roy L. Johnston
The Birmingham Parallel Genetic Algorithm and its Application to the Direct DFT Global Optimisation of IrN (N = 10-20) Clusters
Nanoscale, 2015, 7, 14032-14038.
[RLJ15/9]
Armin Shayeghi, Roy L. Johnston, David M. Rayner, Rolf Schaefer and Andre Fielicke
Messenger or Modifier? The Nature of Argon Bonds to Mixed Gold-Silver Trimers
Angew. Chem., Int. Edn., 2015, 54, 10675-10680.
[RLJ15/10]
Xiaoqiang Wu, Fuyi Chen, Yachao Jin, Nan Zhang and Roy L. Johnston
Silver-Copper Nanoalloy Catalyst Layer for Bifunctional Air Electrodes in Alkaline Media
ACS Appl. Mater. Interfaces, 2015, 7, 17782-17791.
[RLJ15/11]
Jack B. A. Davis, Francesca Baletto and Roy L. Johnston
The Effect of Dispersion Correction on the Adsorption of CO on Metallic Nanoparticles
J. Phys. Chem. A, 2015, 119, 9703-9709.
[RLJ15/12]
Riccardo Ferrando, Roy L. Johnston and Catherine Louis
Recent Advances in the Chemical Physics of Nanoalloys (Editorial)
Phys.Chem.Chem.Phys., 2015, 17, 27920-27921.
Part of special issue: Recent Advances in the Chemical Physics of Nanoalloys.
[RLJ15/13]
Haydar Arslan, Ali Kemal Garip and Roy L. Johnston
Theoretical Study of the Structures and Chemical Ordering of Cobalt-Palladium Nanoclusters
Phys.Chem.Chem.Phys., 2015, 17, 28311-28321.
Part of special issue: Recent Advances in the Chemical Physics of Nanoalloys.
[RLJ15/14]
Sridhar Neelamraju, Mark T. Oakley and Roy L. Johnston
Chiral Effects on Helicity Studied via the Energy Landscape of Short (D,L)-alanine peptides
J. Chem. Phys., 2015, 143, 165103.

[RLJ16/1]
Xiaoqiang Wu, Fuyi Chen, Nan Zhang, Adnan Qaseem and Roy L. Johnston
A Silver-Copper Metallic Glass Electrocatalyst with High Activity and Stability Comparable to Pt/C for Zinc-Air Batteries
J. Mater. Chem. A, 2016, 4, 3527-3537.
[RLJ16/2]
Mikail Aslan, Jack B. A. Davis and Roy L. Johnston
Global Optimization of Small Bimetallic Pd-Co Binary Nanoalloy Clusters: A Genetic Algorithm Approach at the DFT Level
Phys.Chem.Chem.Phys., 2016, 18, 6676-6682.
[RLJ16/3]
Jack B. A. Davis, Sarah L. Horswell and Roy L. Johnston
Application of a Parallel Genetic Algorithm to the Global Optimization of Gas-Phase and Supported Gold-Iridium Sub-Nanoalloys
J. Phys. Chem. C, 2016, 120, 3759-3765.
[RLJ16/4]
Sridhar Neelamraju, Roy L. Johnston and J. Christian Schoen
A Threshold-minimization Scheme for Exploring the Energy Landscape of Biomolecules: Application to a Cyclic Peptide and a Disaccharide
J. Chem. Theory Comput., 2016, 12, 2471-2479.
[RLJ16/5]
Christopher J. Heard, Armin Shayeghi, Rolf Schaefer and Roy L. Johnston
Charge and Compositional Effects on the 2D-3D Transition in Octameric AgAu Clusters
Z. Phys. Chem., 2016, 230, 955-975.
[RLJ16/6]
Adnan Qaseem, Fuyi Chen, Xiaoqiang Wua and Roy L. Johnston
Pt-free Silver Nanoalloy Electrocatalysts for Oxygen Reduction Reaction in Alkaline Media
Catal. Sci. Technol., 2016, 6, 3317-3340.
[RLJ16/7]
Daniel A. Goetz, Armin Shayeghi, Roy L. Johnston, Peter Schwerdtfeger and Rolf Schaefer
Structural Evolution and Metallicity of Lead Clusters
Nanoscale, 2016, 8, 11153-11160.
[RLJ16/8]
John C. Hey, Lewis C. Smeeton, Mark T. Oakley and Roy L. Johnston
Isomers and Energy Landscapes of Perchlorate-Water Clusters and a Comparison to Pure Water and Sulfate-Water Clusters
J. Phys. Chem. A, 2016, 120, 4008-4015.
[RLJ16/9]
Vladimir Kaydashev, Pierro Ferrari, Christopher J. Heard, Ewald Janssens, Roy L. Johnston and Peter Lievens
Optical Absorption of Small Palladium Doped Gold Clusters
Part. Part. Syst. Charact., 2016, 33, 364-372.
[RLJ16/10]
Fernando Buendia, Jorge A. Vargas, Marcela R. Beltran, Jack B. A. Davis and Roy L. Johnston
A Comparative Study of AumRhn (4 <= m+n <= 6) Clusters in the Gas Phase Versus Deposited on (100) MgO
Phys.Chem.Chem.Phys., 2016, 18, 22122-22128.
[RLJ16/11]
Ilker Demiroglu, Ziyou Li, Laurent Piccolo and Roy L. Johnston
A DFT Study of Molecular Adsorption on Au-Rh Nanoalloys
Cat. Sci. Technol. 2016, 6, 6916-6931.
[RLJ16/12]
Heider A. Hussain, Jack B. A. Davis and Roy L. Johnston
DFT Global Optimisation of Gas-phase and MgO-supported Sub-nanometre AuPd Clusters
Phys.Chem.Chem.Phys., 2016, 18, 26133-26143.
[RLJ16/13]
Laurent Piccolo, Ziyou Li, Ilker Demiroglu, Florian Moyon, Zere Konuspayeva, Gilles Berhault, Pavel Afanasiev, Williams Lefebvre, Jun Yuan and Roy L. Johnston
Understanding and Controlling the Structure and Segregation Behaviour of AuRh Nanocatalysts
Sci. Rep., 2016, 6, 35226.

[RLJ17/1]
Haiyuan Yu, Dapeng Cao, Adrian Fisher, Roy L. Johnston and Daojian Cheng
Size effect on the adsorption and dissociation of CO2 on Co nanoclusters
Appl. Surf. Sci., 2017, 396, 539-546.
[RLJ17/2]
Xiaoqiang Wu, Fuyi Chen, Nan Zhang, Yimin Lei, Yachao Jin, Aadnan Qaseem and Roy L. Johnston
Activity Trends of Binary Silver Alloy Nanocatalysts for Oxygen Reduction Reaction in Alkaline Media
Small, 2017, 13, 1603387.
[RLJ17/3]
Christopher J. Heard and Roy L. Johnston
Global Optimisation Strategies for Nanoalloys
in Binary Clusters: Structure, Bonding and Reactivity (Eds. K. Boggavarapu and M. Nguyen)
Challenges and Advances in Computational Chemistry and Physics (Springer, Berlin), 2017, 23, 1-52. [ISBN: 978-3-319-48916-2]
[RLJ17/4]
Ilker Demiroglu, Ziyou Li, Laurent Piccolo and Roy L. Johnston
A DFT Study of Molecular Adsorption on Titania-supported AuRh Nanoalloys
Comput. Theor. Chem., 2017, 1107, 142-151.
[RLJ17/5]
Xiaoqiang Wu, Fuyi Chen, Nan Zhang, Aadnan Qaseem and Roy L. Johnston
Engineering Bimetallic Ag-Cu Nanoalloys for Highly Efficient Oxygen Reduction Catalysts: A Guideline for Designing Ag-Based Electrocatalysts with Activity Comparable to Pt/C-20
Small, 2017, 13, 1603876.
[RLJ17/6]
Lewis C. Smeeton, John C. Hey and Roy L. Johnston
Investigation of the Structures and Energy Landscapes of Thiocyanate-Water Clusters
Inorganics, 2017, 5, 20.
[RLJ17/7]
Xiaoqiang Wu, Fuyi Chen, Nan Zhang, Yimin Lei, Yachao Jin, Aadnan Qaseem and Roy L. Johnston
One-Pot Synthesis of Dealloyed AuNi Nanodendrite as a Bifunctional Electrocatalyst for Oxygen Reduction and Borohydride Oxidation Reaction
Advanced Functional Materials, 2017, 1700260.
[RLJ17/8]
Ilker Demiroglu, Kezi Yao, Heider A. Hussain and Roy L. Johnston
DFT Global Optimization of Gas-Phase Subnanometer Ru-Pt Clusters
J. Phys. Chem. C, 2017, 121, 10773-10780.
[RLJ17/9]
Aadnan Qaseem, Fuyi Chen, Chuanzhou Qiu, Abdelaziz Mahmoudi, Xiaoqiang Wu, Xiaolu Wang and Roy L. Johnston
Reduced Graphene Oxide Decorated with Manganese Cobalt Oxide as Multifunctional Material for Mechanically Rechargeable and Hybrid Zinc-Air Batteries
Part. Part. Syst. Charact., 2017, 34, 1700097.
[RLJ17/10]
Heider A. Hussain, Ilker Demiroglu and Roy L. Johnston
Application of a Parallel Genetic Algorithm to the Global Optimization of Medium-sized Au-Pd Sub-nanometre Clusters
Eur. Phys. J. B, 2017 (accepted).

Last modified: Mon Jul 3 15:13:10 BST 2017