|Title||Negative thermal expansion and anomalies of heat capacity of LuB50 at low temperatures|
|Publication Type||Journal Article|
|Year of Publication||2015|
|Authors||Novikov, VV, Zhemoedov, NA, Matovnikov, AV, Mitroshenkov, NV, Kuznetsov, SV, Bud'ko, SL|
|Type of Article||Article|
|Keywords||boron-rich compounds, compound, glasses, magnetic-properties, potentials|
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.
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