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Investigation of the thermodynamic efficiency of magnetic cooling cycles in the region of spinorientational transformations in hexagonal ferrimagnets

  • Physics of Magnetic Phenomena
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Abstract

The feasibility of using hexagonal ferrimagnets with spin-orientational transitions as the working body of a magnetic refrigerator is studied. The temperature dependence of the magnetic part of entropy and its change in crystal magnetization along various directions are calculated. The thermodynamic efficiency of magnetic cooling cycles in the vicinity of orientational transitions is estimated. Optimal magnetization fields and working temperature interval are determined. The results of calculations are compared with experimental investigations of the magnetocaloric effect for theCo 0.62 Zn 1.38-W compound.

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Authors
  1. E. P. Naiden
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  2. V. Yu. Kreslin
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  3. A. G. Chesnokov
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Additional information

V. D. Kuznetsov Siberian Physical-Technical Institute at Tomsk State University. Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 2, pp. 9–13, February, 2000.

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Naiden, E.P., Kreslin, V.Y. & Chesnokov, A.G. Investigation of the thermodynamic efficiency of magnetic cooling cycles in the region of spinorientational transformations in hexagonal ferrimagnets. Russ Phys J 43, 85–89 (2000). https://doi.org/10.1007/BF02508593

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  • DOI: https://doi.org/10.1007/BF02508593

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