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作者:

Zhang, D. K. (Zhang, D. K..) | Zhao, L. (Zhao, L..) | Zhang, H. G. (Zhang, H. G..) (学者:张红光) | Xu, M. F. (Xu, M. F..) | Yue, M. (Yue, M..) (学者:岳明)

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EI Scopus SCIE

摘要:

The magnetic properties and magnetocaloric effect (MCE) of LaFe11.5Al1.5Bx (x = 0, 0.1, 0.2 and 0.3) intermetallic compounds have been studied. A ferromagnetic (FM) to paramagnetic (PM) transition is observed in LaFe(11.5)Al(1.5)Bx (x = 0.1, 0.2 and 0.3) compared to the antiferromagnetic (AFM) to PM transition of the parent LaFe11.5Al1.5 compound. The Curie temperature (T-C) is improved and the thermal hysteresis is depressed by increasing the boron content x from 0.1 to 0.3. The magnetic transition is changed from weakly first order to second order with increasing boron content. The maximum magnetic entropy changes (-Delta S-M) under a field change of 0-3 T are 7.64 J/kg.K at T-C = 178 K, 7.38 J/kg.K at T-C = 185 K and 7.25 J/kg.K at T-C = 189 K for the LaFe(11.5)Al(1.5)Bx with x = 0.1, 0.2 and 0.3, respectively. The LaFe11.5Al1.5Bx compounds are worth to be studied in-depth because of their abundant magnetism. (C) 2013 Elsevier B.V. All rights reserved.

关键词:

Magnetocaloric effect Magnetic transition Magnetic entropy change La(Fe, Al)(13) compounds

作者机构:

  • [ 1 ] [Zhang, D. K.]Beijing Univ Technol, Coll Mat Sci & Engn, Beijing 100124, Peoples R China
  • [ 2 ] [Zhang, H. G.]Beijing Univ Technol, Coll Mat Sci & Engn, Beijing 100124, Peoples R China
  • [ 3 ] [Xu, M. F.]Beijing Univ Technol, Coll Mat Sci & Engn, Beijing 100124, Peoples R China
  • [ 4 ] [Yue, M.]Beijing Univ Technol, Coll Mat Sci & Engn, Beijing 100124, Peoples R China
  • [ 5 ] [Zhao, L.]Beijing Univ Technol, Coll Appl Sci, Beijing 100124, Peoples R China

通讯作者信息:

  • [Zhao, L.]Beijing Univ Technol, Coll Appl Sci, Beijing 100124, Peoples R China

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来源 :

JOURNAL OF ALLOYS AND COMPOUNDS

ISSN: 0925-8388

年份: 2014

卷: 591

页码: 143-146

6 . 2 0 0

JCR@2022

ESI学科: MATERIALS SCIENCE;

ESI高被引阀值:341

JCR分区:1

中科院分区:1

被引次数:

WoS核心集被引频次: 8

SCOPUS被引频次: 8

ESI高被引论文在榜: 0 展开所有

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