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Physics of Metals and Metallography
Published in: Physics of Metals and Metallography 10/2019

01-10-2019 | ELECTRICAL AND MAGNETIC PROPERTIES

Specific Features of the Magnetocaloric Effect in a Uniaxial Paramagnet with Kramers Ions

Authors: E. E. Kokorina, M. V. Medvedev

Published in: Physics of Metals and Metallography | Issue 10/2019

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Abstract

The changes in magnetic entropy upon isothermal magnetization of a uniaxial paramagnet with Kramers ions (spin S = 3/2) and single-ion easy-plane anisotropy were studied at low temperatures. It was demonstrated that the magnetocaloric effect upon magnetization in the easy direction is considerably stronger than the one corresponding to magnetization in the hard direction (perpendicular to the easy plane). It was found that magnetization in the hard direction is accompanied by an anomalous increase in magnetic entropy in a finite interval of magnetic fields. A nonmonotonic dependence of entropy on the final magnetization field is produced as a result.
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Metadata
Title
Specific Features of the Magnetocaloric Effect in a Uniaxial Paramagnet with Kramers Ions
Authors
E. E. Kokorina
M. V. Medvedev
Publication date
01-10-2019
Publisher
Pleiades Publishing
Published in
Physics of Metals and Metallography / Issue 10/2019
Print ISSN: 0031-918X
Electronic ISSN: 1555-6190
DOI
https://doi.org/10.1134/S0031918X19100053

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