具有大磁致效应的正磷酸铒 ErPO4 的低工作温度

IF 1.1 3区物理与天体物理 Q4 PHYSICS, APPLIED

Journal of Low Temperature Physics Pub Date : 2024-07-04 DOI:10.1007/s10909-024-03183-1

Assaad Elouafi, Sara Ezairi, Fatima Lmai, Abdeslam Tizliouine

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引用次数: 0

摘要

成功制备了正磷酸铒 ErPO4。XRD 图谱分析表明，ErPO4 晶体为四方结构（I41/amd）。在 50 kOe 的磁场下，2.6 K 时 ErPO4 的磁熵变化 (- ΔSM) 达到 23.78 J/kg K。相对冷却功率值为 475 J/kg。最低的温度和较大的磁熵变推断出 ErPO4 是亚开尔文磁制冷应用的潜在候选材料。

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Low Working Temperature of Erbium Orthophosphate ErPO4 with Large Magnetocaloric Effect

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Low Working Temperature of Erbium Orthophosphate ErPO4 with Large Magnetocaloric Effect

Erbium orthophosphate ErPO₄ was successfully prepared. The XRD pattern analyses have proved that the ErPO₄ crystallizes in the tetragonal structure (I4₁/amd). Under a magnetic field of 50 kOe, the magnetic entropy change (− ΔS_M) reaches 23.78 J/kg K at 2.6 K for ErPO₄. The value of the relative cooling power is 475 J/kg. The lowest temperature and the large MCE have inferred that ErPO₄ is a potential candidate for sub-kelvin magnetic refrigeration applications.

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来源期刊

Journal of Low Temperature Physics 物理-物理：凝聚态物理

CiteScore

3.30

自引率

25.00%

发文量

245

审稿时长

1 months

期刊介绍： The Journal of Low Temperature Physics publishes original papers and review articles on all areas of low temperature physics and cryogenics, including theoretical and experimental contributions. Subject areas include: Quantum solids, liquids and gases; Superfluidity; Superconductivity; Condensed matter physics; Experimental techniques; The Journal encourages the submission of Rapid Communications and Special Issues.