Low-temperature heat capacity of sodium erbium molybdophosphate Na2Er(MoO4)(PO4)статья
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:Adiabatic calorimetry is used to measure the low-temperature heat capacity of Na2Er(MoO4)(PO4)from 6.41 to 347.87 K. Experimental data are used to calculate the thermodynamic functions of Na2Er(MoO4)(PO4), which at 298.15 K are as follows: C-p(0)(298.15 K) = 243,3 +/- 0.4 J/(K mol), S-0(298.15 K) = 312.8 +/- 0.8 J/(K mol), H-0(298.15 K) - H-0(0 K) = 45280 +/- 90 J/mol, and Phi(0)(298.15 K) = 136.1 +/- 0.3 J/(K mol). A diffuse heat-capacity anomaly associated with splitting of the Stark levels (Schottky anomaly) is discovered in the low-temperature region.