Thermodynamic Properties of Monoclinic Samarium Orthotantalate  M -SmTaO 4

A. V. Tyurin; A. V. Khoroshilov; V. N. Gus’kov; G. E. Nikiforova; L. Kh. Baldaev; K. S. Gavrichev

doi:10.1134/S0036023618120215

Thermodynamic Properties of Monoclinic Samarium Orthotantalate M-SmTaO₄

Authors: Tyurin A.V.¹, Khoroshilov A.V.¹, Gus’kov V.N.¹, Nikiforova G.E.¹, Baldaev L.K.², Gavrichev K.S.¹
Affiliations:
1. Kurnakov Institute of General and Inorganic Chemistry
2. Protection Coatings Technologic Systems
Issue: Vol 63, No 12 (2018)
Pages: 1599-1604
Section: Physical Methods of Investigation
URL: https://journals.rcsi.science/0036-0236/article/view/169146
DOI: https://doi.org/10.1134/S0036023618120215
ID: 169146

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Abstract

The isobaric heat capacity of samarium orthotantalate M-SmTaO₄ was measured by adiabatic and differential scanning calorimetry in the range 17–1115 K. Smoothed heat capacity values were used to calculate thermodynamic functions (entropy, enthalpy increment, and reduced Gibbs free energy) with the contribution from low-temperature (<17 K) magnetic transformations being ignored.