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Anomalous temperature dependence of elastic constant c(44) in V, Nb, Ta, Pd, and Pt
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering, Applied Material Physics.ORCID iD: 0000-0003-2832-3293
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering, Applied Material Physics.
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2010 (English)In: Journal of Physics and Chemistry of Solids, ISSN 0022-3697, E-ISSN 1879-2553, Vol. 71, no 8, 1065-1068 p.Article in journal (Refereed) Published
Abstract [en]

The anomalous temperature dependence of elastic constant c(44) for elements V. Nb, Ta, Pd, and Pt, has been calculated using first-principles theory. It is shown that the variation of elastic constant for simple elements can be approximated as the sum of thermal expansion and electronic components. The thermal expansion contributes the normal linearly decreasing effect to the elastic constant with temperature, while electronic contribution is determined by the unique character of electronic structure of elements and leads to the anomalous effect to the elastic constant with temperature.

Place, publisher, year, edition, pages
2010. Vol. 71, no 8, 1065-1068 p.
Keyword [en]
Elements, Ab initio calculations, Elastic properties
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Other Engineering and Technologies not elsewhere specified
Identifiers
URN: urn:nbn:se:kth:diva-29238DOI: 10.1016/j.jpcs.2010.03.007ISI: 000280977000008Scopus ID: 2-s2.0-77955554710OAI: oai:DiVA.org:kth-29238DiVA: diva2:392834
Note
QC 20110128Available from: 2011-01-28 Created: 2011-01-27 Last updated: 2017-12-11Bibliographically approved

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Vitos, Levente

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