Magnetic and magnetocaloric properties of Pr2-xNdxFe17 ribbons

被引：9

作者：

Dahal, Bishnu ^{[1
]}

Kharel, Parashu ^{[1
,2
]}

Ott, Thomas ^{[1
,2
]}

Zhang, Wenyong ^{[2
,3
]}

Valloppilly, Shah ^{[2
]}

Skomski, Ralph ^{[2
,3
]}

Sellmyer, David ^{[2
,3
]}

机构：

[1] South Dakota State Univ, Dept Phys, Brookings, SD 57007 USA

[2] Univ Nebraska, Nebraska Ctr Mat & Nanosci, Lincoln, NE 68588 USA

[3] Univ Nebraska, Dept Phys & Astron, Lincoln, NE 68588 USA

来源：

AIP ADVANCES | 2019年 / 9卷 / 03期

基金：

美国国家科学基金会;

关键词：

20;

D O I：

10.1063/1.5080105

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The structural, magnetic and magnetocaloric properties of Fe deficient Pr2-xNdxFe17 (x = 0.5, 0.7) alloys prepared by arc-melting and melt spinning have been investigated. The room temperature x-ray diffraction patterns show that the samples are nearly single-phase and crystallize in the rhombohedral Th2Zn17-type crystal structure. The Curie temperatures determined from the thermomagnetic curves are 302 K and 307 K for Pr1.5Nd0.5Fe17 and Pr1.3Nd0.7Fe17, respectively. The peak magnetic entropy change and the relative cooling power at field change of 50 kOe are 3.01 J/kgK and 345 J/kg for Pr1.5Nd0.5Fe17, and 4.31 J/kgK and 487 J/kg for Pr1.3Nd0.7Fe17, respectively. The absence of magnetic and thermal hysteresis with relatively high cooling efficiency suggests that the alloys have potential for magnetic refrigeration. (C) 2019 Author(s).

引用

页数：4

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