Please use this identifier to cite or link to this item: https://apo.ansto.gov.au/dspace/handle/10238/5117
Title: Negative Thermal Expansion in LnCo(CN)6 (Ln=La, Pr, Sm, Ho, Lu, Y): Mechanisms and Compositional Trends
Authors: Duyker, SG
Peterson, VK
Kearley, GJ
Ramirez-Cuesta, AJ
Kepert, CJ
Keywords: Cobalt
Lanthanum
Contraction
Lutetium
Praseodymium
Yttrium
Issue Date: 1-Jan-2013
Publisher: Wiley-VCH Verlag
Citation: Duyker, S. G., Peterson, V. K., Kearley, G. J., Ramirez-Cuesta, A. J., & Kepert, C. J. (2013). Negative Thermal Expansion in LnCo(CN)6 (Ln=La, Pr, Sm, Ho, Lu, Y): Mechanisms and Compositional Trends. Angewandte Chemie International Edition 2013, 52 (20), 5266-5270. doi:10.1002/anie.201300619
Abstract: RUM with a twist: The magnitude of negative thermal expansion (NTE) in the LnCo(CN)6 coordination frameworks increases with Ln ion radius rLn. The framework structure contains an unusual locally unstable trigonal prismatic LnN6 unit that participates in an NTE-contributing vibrational mode by twisting about its axis at low energies. This contrasts with the rigid unit modes (RUMs) prevalent in other systems.© 2013, Wiley-VCH Verlag.
Gov't Doc #: 5144
URI: http://dx.doi.org/10.1002/anie.201300619
http://apo.ansto.gov.au/dspace/handle/10238/5117
ISSN: 1433-7851
Appears in Collections:Journal Articles

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