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|Title:||High Temperature Heat Capacity of Nd2Zr2O7 and La2Zr2O7 Pyrochlores|
|Authors:||SEDMIDUBSKY D.; BENES O.; KONINGS RUDY|
|Citation:||JOURNAL OF CHEMICAL THERMODYNAMICS vol. 37 p. 1098-1103|
|Type:||Articles in periodicals and books|
|Abstract:||he enthalpy increment measurements were performed using drop calorimetry on two lanthanide zirconates Ln2Zr2O7, Ln = La, Nd, with pyrochlore structure. The temperature dependence of heat capacity in the range (298 to 1550) K was derived by simultaneous linear regression of the measured enthalpies combined with the heat capacity data around ambient temperature. The obtained heat capacity CpT is compared to the limit of constant volume lattice Cv calculated from the analysis of low temperature specific heat data using a combined Debye–Einstein harmonic approximation model.|
|JRC Institute:||Nuclear Safety and Security|
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