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Title: Heat capacity and thermal expansion of icosahedral lutetium boride LuB66

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.
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Publication Date:
OSTI Identifier:
Report Number(s):
IS-J 8360
Journal ID: ISSN 1388-6150
DOE Contract Number:
Resource Type:
Journal Article
Resource Relation:
Journal Name: Journal of Thermal Analysis and Calorimetry; Journal Volume: 116; Journal Issue: 2
Research Org:
Ames Laboratory (AMES), Ames, IA (United States)
Sponsoring Org:
USDOE Office of Science (SC)
Country of Publication:
United States
36 MATERIALS SCIENCE borides, BORON, heat capacity, low temperatures, single-crystals, SYNCHROTRON-RADIATION, thermal expansion, x-ray monochromator, yb66