Widmer-Cooper, Asaph - University of Sydney

研究领域

Research in my group is focused on understanding the behaviour of soft matter – i.e. substances held together by relatively weak non-covalent interactions, such as liquids, gels and colloids – from a molecular and nanoscale perspective. The properties of these materials typically depend on the formation of beautiful structures that change with time. To study them we develop and apply analytical and computational methods based on statistical mechanics. We like to tackle questions that improve our fundamental understanding of matter while at the same time enabling the development of new advanced materials, with applications in areas including health and renewable energy. To inspire this work and to stimulate research on real physical systems we often work closely with experimentalists.

近期论文

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Widmer-Cooper, A., Geissler, P. (2016). Ligand-mediated interactions between nanoscale surfaces depend sensitively and nonlinearly on temperature, facet dimensions, and ligand coverage. ACS Nano, 10(2), 1877-1887. [More Information] Tondl, E., Ramsay, M., Harrowell, P., Widmer-Cooper, A. (2014). Defect-mediated relaxation in the random tiling phase of a binary mixture: Birth, death and mobility of an atomic zipper. Journal of Chemical Physics, 140(10), 1-8. [More Information] Widmer-Cooper, A., Geissler, P. (2014). Orientational Ordering of Passivating Ligands on CdS Nanorods in Solution Generates Strong Rod-Rod Interactions. Nano Letters: a journal dedicated to nanoscience and nanotechnology, 14(1), 57-65. [More Information] Mosayebi, M., Ilg, P., Widmer-Cooper, A., Del Gado, E. (2014). Soft modes and nonaffine rearrangements in the inherent structures of supercooled liquids. Physical Review Letters, 112(10), 1-5. [More Information] Colombo, J., Widmer-Cooper, A., Del Gado, E. (2013). Microscopic picture of cooperative processes in restructuring gel networks. Physical Review Letters, 110(19), 1-5. [More Information] Lenzen, M., Dey, C., Foran, B., Widmer-Cooper, A., Ohlemüller, R., Williams, M., Wiedmann, T. (2013). Modelling interactions between economic activity, greenhouse gas emissions, biodiversity and agricultural production. Environmental Modeling and Assessment, 18(4), 377-416. [More Information] Henzie, J., Grunwald, M., Widmer-Cooper, A., Geissler, P., Yang, P. (2012). Self-assembly of uniform polyhedral silver nanocrystals into densest packings and exotic superlattices. Nature Materials, 11(2), 131-137. [More Information] Widmer-Cooper, A., Harrowell, P. (2011). Structural phases in non-additive soft-disk mixtures: Glasses, substitutional order, and random tilings. Journal of Chemical Physics, 135(22), 224515-1-224515-10. [More Information] Baker, J., Widmer-Cooper, A., Toney, M., Geissler, P., Alivisatos, A. (2010). Device-scale perpendicular alignment of colloidal nanorods. Nano Letters: a journal dedicated to nanoscience and nanotechnology, 10(1), 195-201. [More Information] Candelier, R., Widmer-Cooper, A., Kummerfeld, J., Dauchot, O., Biroli, G., Harrowell, P., Reichman, D. (2010). Spatiotemporal hierarchy of relaxation events, dynamical heterogeneities, and structural reorganization in a supercooled liquid. Physical Review Letters, 105(13), 135702-1-135702-4. [More Information] Widmer-Cooper, A., Harrowell, P. (2009). Central role of thermal collective strain in the relaxation of structure in a supercooled liquid. Physical Review E (Statistical, Nonlinear, and Soft Matter Physics), 80(6), 061501-1-061501-6. [More Information] Lenzen, M., Lane, A., Widmer-Cooper, A., Williams, M. (2009). Effects of land use on threatened species [Efectos del uso de suelo sobre especies amenazadas]. Conservation Biology, 23(2), 294-306. [More Information] Widmer-Cooper, A., Perry, H., Harrowell, P., Reichman, D. (2009). Localized soft modes and the supercooled liquid's irreversible passage through its configuration space. Journal of Chemical Physics, 131(19), 194508-1-194508-12. [More Information] Widmer-Cooper, A., Perry, H., Harrowell, P., Reichman, D. (2008). Irreversible reorganization in a supercooled liquid originates from localized soft modes. Nature Physics, 4(9), 711-715. [More Information] Widmer-Cooper, A., Harrowell, P. (2007). On the study of collective dynamics in supercooled liquids through the statistics of the isoconfigurational ensemble. Journal of Chemical Physics, 126(15), 154503-1-154503-9. Widmer-Cooper, A., Harrowell, P. (2006). Free volume cannot explain the spatial heterogeneity of Debye–Waller factors in a glass-forming binary alloy. Journal of Non-Crystalline Solids, 352(42-49), 5098-5102. [More Information] Widmer-Cooper, A., Harrowell, P. (2006). Predicting the long-time dynamic heterogeneity in a supercooled liquid on the basis of short-time heterogeneities. Physical Review Letters, 96(18), 185701-1-185701-4. Widmer-Cooper, A., Harrowell, P. (2005). On the relationship between structure and dynamics in a supercooled liquid. Journal of Physics: Condensed Matter, 17(49), 4025-4034. Widmer-Cooper, A., Harrowell, P., Fynewever, H. (2004). How Reproducible Are Dynamic Heterogeneities In A Supercooled Liquid? Physical Review Letters, 93(13), 135701-1-135701-4. Hambley, T., Lindoy, L., Reimers, J., Turner, P., Wei, G., Widmer-Cooper, A. (2001). Macrocyclic ligand design. X-ray, DFT and solution studies of the effect of N-methylation and N-benzylation of 1,4,10,13-tetraoxa-7,16-diazacyclooctadecane on its affinity for selected transition and post-transition metal ions. Dalton Transactions: an international journal of inorganic, organometallic and bioinorganic chemistry, 2001, 614-620.