Observation of large magnetocaloric effect in equiatomic binary compound ErZn | Zendy

Lingwei Li | Zendy; Ye Yuan | Zendy; Chi Xu | Zendy; Yang Qi | Zendy; Shengqiang Zhou | Zendy

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Observation of large magnetocaloric effect in equiatomic binary compound ErZn

Author(s) -

Lingwei Li,

Ye Yuan,

Chi Xu,

Yang Qi,

Shengqiang Zhou

Publication year - 2016

Publication title -

aip advances

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.421

H-Index - 58

ISSN - 2158-3226

DOI - 10.1063/1.4972796

Subject(s) - magnetic refrigeration , ferromagnetism , paramagnetism , condensed matter physics , curie temperature , magnetism , magnetic field , materials science , thermodynamics , refrigerant , entropy (arrow of time) , phase transition , physics , magnetization , quantum mechanics , gas compressor

The magnetism, magnetocaloric effect and universal behaviour in rare earth Zinc binary compound of ErZn have been studied. The ErZn compound undergoes a second order paramagnetic (PM) to ferromagnetic (FM) transition at Curie temperature of TC ∼ 20 K. The ErZn compound exhibits a large reversible magnetocaloric effect (MCE) around its own TC. The rescaled magnetic entropy change curves overlap with each other under various magnetic field changes, further confirming the ErZn with the second order phase transition. For the magnetic field change of 0-7 T, the maximum values of the magnetic entropy change (−ΔSMmax), relative cooling power (RCP) and refrigerant capacity (RC) for ErZn are 23.3 J/kg K, 581 J/kg and 437 J/kg, respectively

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