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2. Magnetocaloric Effect in BiFe1−xZnxO3 Multiferroics.

Author

Amirov, A. A., Yusupov, D. M., Asvarov, A. Sh., Makoed, I. I., Chaudhari, Y. A., Bendre, S. T., Liedienov, N. A., and Pashchenko, A. V.

Subjects
MAGNETOCALORIC effects, MULTIFERROIC materials, MAGNETIZATION, THERMODYNAMICS, PHASE transitions
Abstract

Ceramic BiFe1−xZnxO3 multiferroic samples were prepared by the solid combustion method for x = 0.1, 0.15, and 0.2. Structural, magnetic, and magnetocaloric properties of the multiferroics have been studied. For all samples, an antiferromagnetic phase transition is observed in the region of 630 K. With increase in x, the reduction in magnitude of magnetization and Neel temperature is observed. The magnetocaloric properties, entropy, relative cooling power, and heat capacity have been calculated within the framework of thermodynamic theory. It has been established that the maximum changes of magnetocaloric properties of multiferroics are observed in the region of magnetic phase transition. [ABSTRACT FROM AUTHOR]

Published
2018
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