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Heat capacity and thermal expansion of icosahedral lutetium boride LuB66

TitleHeat capacity and thermal expansion of icosahedral lutetium boride LuB66
Publication TypeJournal Article
Year of Publication2014
AuthorsNovikov, V, Avdashchenko, D, Matovnikov, A, Mitroshenkov, N, Bud'ko, SL
JournalJournal of Thermal Analysis and Calorimetry
Volume116
Pagination765-769
Date Published05
Type of ArticleArticle
ISBN Number1388-6150
Accession NumberWOS:000334688900029
KeywordsBorides, boron, Heat capacity, Low temperatures, single-crystals, synchrotron-radiation, Thermal expansion, x-ray monochromator, yb66
Abstract

The experimental values of heat capacity and thermal expansion for lutetium boride LuB66 in the temperature range of 2-300 K were analysed in the Debye-Einstein approximation. It was found that the vibration of the boron sub-lattice can be considered within the Debye model with high characteristic temperatures; low-frequency vibration of weakly connected metal atoms is described by the Einstein model.

DOI10.1007/s10973-013-3593-2
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