SIGN-REVERSING MAGNETOCALORIC EFFECT IN R2Fe10Al7 (R = Dy AND Ho) COMPOUNDS

N. Yu. Pankratov; Панкратов Н. Ю.; I. S. Tereshina; Терёшина И. С.; A. Yu. Karpenkov; Карпенков А. Ю.; S. A. Nikitin; Никитин С. А.

doi:10.31857/S0023476123700157

SIGN-REVERSING MAGNETOCALORIC EFFECT IN R2Fe10Al7 (R = Dy AND Ho) COMPOUNDS

作者: Pankratov N.Y.¹, Tereshina I.S.², Karpenkov A.Y.³, Nikitin S.A.¹
隶属关系:
1. Lomonosov Moscow State University, Faculty of Physics
2. Lomonosov Moscow State University
3. Tver State University, Tver, 170100 Russia
期: 卷 68, 编号 3 (2023)
页面: 443-447
栏目: ДИНАМИКА РЕШЕТКИ И ФАЗОВЫЕ ПЕРЕХОДЫ
URL: https://rjdentistry.com/0023-4761/article/view/673460
DOI: https://doi.org/10.31857/S0023476123700157
EDN: https://elibrary.ru/XCJGCO
ID: 673460

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详细

The magnetic properties of rare-earth ferrimagnetic compounds Dy2Fe10Al7 and Ho2Fe10Al7 with a Th2Zn17 crystal structure have been studied. The temperature dependences of the magnetization and magnetocaloric effect have been examined in the temperature range of 4.2‒300 K in magnetic fields of up to 70 and 18 kOe, respectively. The temperatures of magnetic compensation of the magnetization of the rareearth and iron sublattices have been determined. The magnetocaloric effect has been determined by the direct method. It has been found that the sign of the effect changes near the magnetic compensation point. This phenomenon has an application potential.

关键词

MAGNETOCALORIC EFFECT, RARE-EARTH FERRIMAGNETIC COMPOUNDS

参考

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