Negative thermal expansion in LnCo(CN)6 (Ln=La, Pr, Sm, Ho, Lu, Y): mechanisms and compositional trends

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dc.contributor.authorDuyker, SGen_AU
dc.contributor.authorPeterson, VKen_AU
dc.contributor.authorKearley, GJen_AU
dc.contributor.authorRamirez-Cuesta, AJen_AU
dc.contributor.authorKepert, CJen_AU
dc.date.accessioned2015-09-30T00:11:11Zen_AU
dc.date.available2015-09-30T00:11:11Zen_AU
dc.date.issued2013-04-09en_AU
dc.date.statistics2015-09-22en_AU
dc.description.abstractNegative thermal expansion (NTE) is a comparatively rare phenomenon that is found in a growing number of materials.1 The discovery of new NTE materials and the elucidation of mechanisms underpinning their behavior is important both in extending the field and enabling tailored thermal expansion properties. NTE has been found throughout a broad family of cyanide coordination frameworks,2 arising from thermal population of low-energy transverse vibrations of the cyanide bridges, which reduce the average metal–metal distances, and thus the lattice parameters, with increasing temperature. More complex mechanisms have been established in metal–organic framework materials, in which both local and long-range modes contribute to NTE.3 The low-energy dynamics of metal-based materials are often modeled in terms of rigid unit modes (RUMs), wherein the metal-centered polyhedra are treated as rigid, with only the linkage being flexible. © 2013, Wiley-Vch Verlag GmbH & Co.en_AU
dc.identifier.citationDuyker, 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, 52(20), 5266-5270. doi:10.1002/anie.201300619en_AU
dc.identifier.govdoc6098en_AU
dc.identifier.issn1433-7851en_AU
dc.identifier.issue20en_AU
dc.identifier.journaltitleAngewandte Chemie International Editionen_AU
dc.identifier.pagination5266-5270en_AU
dc.identifier.urihttp://dx.doi.org/10.1002/anie.201300619en_AU
dc.identifier.urihttp://apo.ansto.gov.au/dspace/handle/10238/6260en_AU
dc.identifier.volume52en_AU
dc.language.isoenen_AU
dc.publisherJohn Wiley and Sonsen_AU
dc.subjectCyanidesen_AU
dc.subjectThermal expansionen_AU
dc.subjectX-ray diffractionen_AU
dc.subjectMetalsen_AU
dc.subjectMaterialsen_AU
dc.subjectTemperature dependenceen_AU
dc.titleNegative thermal expansion in LnCo(CN)6 (Ln=La, Pr, Sm, Ho, Lu, Y): mechanisms and compositional trendsen_AU
dc.typeJournal Articleen_AU
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