Features of Formation of the Magnetocaloric Phenomena in Mn1 – tTitAs and Mn1 – xCrxNiGe Systems

The magnetocaloric properties of the systems exhibiting magnetic (paramagnetism (PM)–ferromagnetism (FM)) and structural (hexagonal lattice–orthorhombic lattice) transitions separated (overlapped) in temperature are analyzed in terms of a model of interacting parameters of magnetic and structural or...

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Bibliographic Details
Published in:Physics of the solid state 2018-06, Vol.60 (6), p.1125-1133
Main Authors: Val’kov, V. I., Gribanov, I. F., Todris, B. M., Golovchan, A. V., Mitsiuk, V. I.
Format: Article
Language:English
Subjects:
Magnetism
Physics
Physics and Astronomy
Solid State Physics
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Summary:The magnetocaloric properties of the systems exhibiting magnetic (paramagnetism (PM)–ferromagnetism (FM)) and structural (hexagonal lattice–orthorhombic lattice) transitions separated (overlapped) in temperature are analyzed in terms of a model of interacting parameters of magnetic and structural orders. It is shown that the magnetocaloric characteristics of the system can increase or decrease during overlapping of the structural ( P 6 3 / mmc – P nma ) and magnetic (PM–FM) transitions in the dependence of the character of combination of the low-symmetric orthorhombic ( P nma ) and high-symmetric hexagonal ( P 6 3 / mmc ) phases with a ferromagnetic order.
ISSN:1063-7834
1090-6460
DOI:10.1134/S1063783418060343