Heat capacity of nanostructured SmFeO-=SUB=-3-=/SUB=-

Author:

Mitarov R. G. 1,Kallaev S. N. 2,Omarov Z. M. 2,Khizriev M-Sh. C. 1,Abdulvakhdov K. G. 3

Affiliation:

1. Dagestan State Technical University, Makhachkala, Russia

2. Amirkhanov Institute of Physics, Dagestan Federal Research Center, Russian Academy of Sciences, Makhachkala, Russia

3. Southern Federal University, Rostov-on-Don, Russia

Abstract

The temperature dependence of the heat capacity of nanostructured SmFeO3 ceramics obtained by mechanical activation in the temperature range of 120-800 K has been studied. It has been shown that the excess heat capacity of mechanically activated ceramics is due to: displacements of iron and samarium ions and with a change in the angle between FeO6 oxygen octahedra. Keywords: multiferroics, heat capacity, samarium ferrite, Schottky heat capacity, nanostructured ceramics, mechanical activation.

Publisher

Ioffe Institute Russian Academy of Sciences

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