Welberry, Richard - The Australian National University

个人简介

Richard Welberry graduated from the University of Cambridge with a M.A. and received his PhD from University College London. He has since held positions at University College Cardiff (1970-1975) before being appointed Fellow at the Research School of Chemistry. Richard Welberry was appointed Professor at the Research School of Chemistry in 2001.

研究领域

This group combines diffuse X-ray scattering methods with computer simulation to deduce the arrangement of atoms and molecules in disordered crystals. Conventional crystal structure determination reveals only averaged arrangements, inadequate to explain some of the basic properties of many minerals, inorganic compounds, organic compounds and alloys that exhibit crystalline disorder. Diffuse scattering gives information on how neighbouring atoms or molecules interact with each other. This research group has strong connections with Darren Goossen's (former research fellow) Structure and Magnetism of Materials Research Group

近期论文

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Whitfield, R, Goossens, D & Welberry, T 2016, 'Total scattering and pair distribution function analysis in modelling disorder in PZN (PbZn1/3Nb2/3O3)', IUCrJ, vol. 3, no. 1, pp. 20-31. Zhang, N, Pasciak, M, Glazer, A et al 2015, 'A neutron diffuse scattering study of PbZrO3 and Zr-rich PbZr1-xTixO3', Journal of Applied Crystallography, vol. 48, no. 6, pp. 1637-1644. Welberry, T 2015, 'Hexagonal paracrystals', Zeitschrift fur Kristallographie - Crystaliine Materials, vol. 230, no. 1, pp. 69-74. Pasciak, M, Welberry, T, Heerdegen, A et al 2015, 'Atomistic modeling of diffuse scattering in cubic PbZrO3', Phase Transitions: a multinational journal, vol. 88, no. 3, pp. 273-282. Welberry, T & Weber, T 2016, 'One hundred years of diffuse scattering', Crystallography Reviews, vol. 22, no. 1, pp. 2-78. Welberry, T 2014, 'One hundred years of diffuse X-ray scattering', Metallurgical and Materials Transactions A, vol. 45A, no. 1, pp. 75-84. Hudspeth, J, Goossens, D & Welberry, T 2014, 'Approaches to modelling thermal diffuse scattering in triglycine sulfate, (NH2CH2COOH)3?·H2SO4', Journal of Applied Crystallography, vol. 47, no. 2, pp. 544-551. Welberry, T, Goossens, D & Heerdegen, A 2014, 'Local order in w??stite using a pair distribution function (PDF) approach', Mineralogical Magazine, vol. 78, no. 2, pp. 373-385. Whitfield, R, Welberry, T, Pasciak, M et al 2014, 'Use of bond-valence sums in modelling the diffuse scattering from PZN (PbZn1/3Nb2/3O3)', Acta Crystallographica Section A: Foundations of Crystallography, vol. 70, no. 6, pp. 626-635. Welberry, T & Goossens, D 2014, 'Diffuse scattering and partial disorder in complex structures', IUCrJ, vol. 1, no. 6, pp. 550-562. Goossens, D & Welberry, T 2014, 'Nanoscale order in molecular systems from single crystal diffuse scattering', Australian Journal of Chemistry, vol. 67, no. 12, pp. 1807-1812. Welberry, T, Heerdegen, A & Carr, P 2013, 'Reverse Monte Carlo Study of Diffuse Scattering from a Frustrated Protein System', in Siegbert Schmid, Ray L. Withers, Ron Lifshitz (ed.), Aperiodic Crystals, Springer, Heidelberg, pp. 243-251. Pasciak, M, Heerdegen, A, Goossens, D et al 2013, 'Assessing local structure in PbZn1/3Nb2/3O3 using diffuse scattering and reverse Monte Carlo refinement', Metallurgical and Materials Transactions A, vol. 44, no. 1, pp. 87-93. Hudspeth, J, Goossens, D, Welberry, T et al 2013, 'Diffuse scattering and the mechanism for the phase transition in triglycine sulphate', Journal of Materials Science, vol. 48, no. 19, pp. 6605-6612. Welberry, T, Chan, E, Goossens, D et al 2012, 'Diffuse Scattering as an Aid to the Understanding of Polymorphism in Pharmaceuticals', Metallurgical and Materials Transactions A, vol. 43, no. 5, pp. 1434-1444. Pasciak, M, Welberry, T, Kulda, J et al 2012, 'Polar nanoregions and diffuse scattering in the relaxor ferroelectric PbMg1/3Nb2 3O3', Physical Review B: Condensed Matter and Materials, vol. 85, no. 22, pp. 224109/1-9. Welberry, T, Heerdegen, A, Goldstone, D et al 2011, 'Diffuse scattering resulting from macromolecular frustration', Acta Crystallographica Section B: Structural Science, vol. 67, no. 6, pp. 516-524. Kruger, H, St??ber, S, Welberry, T et al 2011, 'Stacking faults and superstructures in a layered brownmillerite', Acta Crystallographica Section B: Structural Science, vol. 67, no. 6, pp. 476-485. Welberry, T & Pasciak, M 2011, 'Monte Carlo and molecular dynamics simulation of disorder in the Ag+ fast ion conductors Pearceite and Polybasite', Metallurgical and Materials Transactions A, vol. 42, no. 1, pp. 6-13. Pasciak, M & Welberry, T 2011, 'Diffuse scattering and local structure modeling in ferroelectrics', Zeitschrift fur Kristallographie, vol. 226, no. 2, pp. 113-125.