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Author:

Zuo, Wen-Liang (Zuo, Wen-Liang.) | Murtaza, Adil (Murtaza, Adil.) | Zhou, Chao (Zhou, Chao.) | Zhang, Yin (Zhang, Yin.) | Tian, Fanghua (Tian, Fanghua.) | Yang, Sen (Yang, Sen.) (Scholars:杨森) | Hu, Feng-Xia (Hu, Feng-Xia.) | Shen, Bao-Gen (Shen, Bao-Gen.)

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Abstract:

In this study, the structural, magnetic and magnetocaloric effects (MCE) of misch-metal MM2Fe17−xAlx (0 ≤ x ≤ 2) compounds are investigated. The XRD patterns indicate that all the samples crystallize primarily in a rhombohedral Th2Zn17 type crystal structure coexisting with a small amount of precipitation phase α-Fe. The lattice parameters and the Curie temperature (TC) increase linearly with the increase of Al content. This allows the MM2Fe17−xAlx compounds to achieve magnetic refrigeration over the entire room temperature range. The maximum values of entropy changes (ΔSM) for MM2Fe17−xAlx (x = 0, 0.5, 1 and 1.5) compounds with a magnetic field variation of 0–2 T and 0–5 T are determined to be −2.1 J Kg-1 K−1, −1.3 J Kg-1 K−1, −1.9 J Kg-1 K−1, 1.9 J Kg-1 K−1 and −4.0 J Kg-1 K−1, −2.7 J Kg-1 K−1, −3.5 J Kg-1 K−1, −3.5 J Kg-1 K−1, respectively. The relative cooling power (RCP) for all the studied compounds is larger than 90 and 270 Jkg−1 while the full-width half maxima (δTFWHM) is larger than 60 K and 100 K with the field changes of 0–2 T and 0–5 T, respectively. These results indicate that MM2Fe17−xAlx (0 ≤ x ≤ 2) compounds could have higher magnetocaloric cost-performance comparable to the room-temperature magnetic refrigeration materials R2Fe17 (R = Pr, Nd) and Gd with the second-order phase transition (SOPT). © 2020 Elsevier B.V.

Keyword:

Binary alloys Crystal structure Entropy Magnetic refrigeration Magnetocaloric effects Meteorology Rare earth alloys Refrigeration Thorium alloys Zinc alloys

Author Community:

  • [ 1 ] [Zuo, Wen-Liang]School of Science, MOE Key Laboratory for Nonequilibrium Synthesis and Modulation of Condensed Matter, State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an; 710049, China
  • [ 2 ] [Murtaza, Adil]School of Science, MOE Key Laboratory for Nonequilibrium Synthesis and Modulation of Condensed Matter, State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an; 710049, China
  • [ 3 ] [Zhou, Chao]School of Science, MOE Key Laboratory for Nonequilibrium Synthesis and Modulation of Condensed Matter, State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an; 710049, China
  • [ 4 ] [Zhang, Yin]School of Science, MOE Key Laboratory for Nonequilibrium Synthesis and Modulation of Condensed Matter, State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an; 710049, China
  • [ 5 ] [Tian, Fanghua]School of Science, MOE Key Laboratory for Nonequilibrium Synthesis and Modulation of Condensed Matter, State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an; 710049, China
  • [ 6 ] [Yang, Sen]School of Science, MOE Key Laboratory for Nonequilibrium Synthesis and Modulation of Condensed Matter, State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an; 710049, China
  • [ 7 ] [Hu, Feng-Xia]State Key Laboratory of Magnetism, Institute of Physics, Chinese Academy of Sciences, Beijing; 100190, China
  • [ 8 ] [Shen, Bao-Gen]State Key Laboratory of Magnetism, Institute of Physics, Chinese Academy of Sciences, Beijing; 100190, China

Reprint Author's Address:

  • 杨森

    [Yang, Sen]School of Science, MOE Key Laboratory for Nonequilibrium Synthesis and Modulation of Condensed Matter, State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an; 710049, China;;

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Source :

Journal of Magnetism and Magnetic Materials

ISSN: 0304-8853

Year: 2020

Volume: 502

2 . 9 9 3

JCR@2020

2 . 9 9 3

JCR@2020

ESI Discipline: PHYSICS;

ESI HC Threshold:54

JCR Journal Grade:2

CAS Journal Grade:3

Cited Count:

WoS CC Cited Count: 1

SCOPUS Cited Count: 1

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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