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Negative thermal expansion and anomalies of heat capacity of LuB50 at low temperatures

TitleNegative thermal expansion and anomalies of heat capacity of LuB50 at low temperatures
Publication TypeJournal Article
Year of Publication2015
AuthorsNovikov, VV, Zhemoedov, NA, Matovnikov, AV, Mitroshenkov, NV, Kuznetsov, SV, Bud'ko, SL
JournalDalton Transactions
Volume44
Pagination15865-15871
Date Published09
Type of ArticleArticle
ISBN Number1477-9226
Accession NumberWOS:000360471000015
Keywordsboron-rich compounds, compound, glasses, magnetic-properties, potentials
Abstract

Negative thermal expansion at low temperatures was experimentally observed for LuB50. The analysis of the experimental temperature dependence for the Gruneisen parameter of LuB50 suggested that the low-frequency oscillations, described in SAP mode, are responsible for the negative thermal expansion. Thus, the glasslike character of the behavior of LuB50 thermal characteristics at low temperatures was confirmed.

DOI10.1039/c5dt01406a
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Complex States