Особенности формирования магнитокалорических явлений в системах Mn-=SUB=-1-t-=/SUB=-Ti-=SUB=-t-=/SUB=-As и Mn-=SUB=-1-x-=/SUB=-Cr-=SUB=-x-=/SUB=-NiGe | Zendy

В. И. Вальков | Zendy; I. F. Gribanov | Zendy; B. M. Todris | Zendy; A. V. Golovchan | Zendy; В.И. Митюк | Zendy

Open Access

Особенности формирования магнитокалорических явлений в системах Mn-=SUB=-1-t-=/SUB=-Ti-=SUB=-t-=/SUB=-As и Mn-=SUB=-1-x-=/SUB=-Cr-=SUB=-x-=/SUB=-NiGe

Author(s) -

В. И. Вальков,

I. F. Gribanov,

B. M. Todris,

A. V. Golovchan,

В.И. Митюк

Publication year - 2018

Publication title -

физика твердого тела

Language(s) - English

Resource type - Journals

eISSN - 1726-7498

pISSN - 0367-3294

DOI - 10.21883/ftt.2018.06.45985.13m

Subject(s) - magnetic refrigeration , orthorhombic crystal system , ferromagnetism , hexagonal crystal system , paramagnetism , condensed matter physics , materials science , lattice (music) , crystallography , crystal structure , magnetization , chemistry , physics , magnetic field , quantum mechanics , acoustics

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.

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