Chemical isomerism as a key to explore free-energy landscapes in disordered matter

The effects of a minor chemical modification on the microscopic structure of a material in its glass and crystal phases are investigated by the concurrent use of neutron diffraction and computer simulation. Significant changes in short-, intermediate-, and long-range order are found, resulting from...

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Bibliographic Details
Published in:Physical review letters 2002-03, Vol.88 (11), p.115506-115506, Article 115506
Main Authors: Talón, C, Bermejo, F J, Cabrillo, C, Cuello, G J, González, M A, Richardson, Jr, J W, Criado, A, Ramos, M A, Vieira, S, Cumbrera, F L, González, L M
Format: Article
Language:English
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Summary:The effects of a minor chemical modification on the microscopic structure of a material in its glass and crystal phases are investigated by the concurrent use of neutron diffraction and computer simulation. Significant changes in short-, intermediate-, and long-range order are found, resulting from the change in molecular structure. These differences are explainable by a shift in the balance between directional and excluded-volume interactions.
ISSN:0031-9007
1079-7114
DOI:10.1103/PhysRevLett.88.115506