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Author:

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

Indexed by:

EI Scopus SCIE

Abstract:

In this paper, the magnetic properties and the magnetic entropy of LaFe11.5Al1.5Bx (x = 0, 0.1, 0.2 and 0.3) and LaFe11.5Al1.5Cy (y = 0.1, 0.2, 0.3, 0.4 and 0.5) compounds have been studied. All the compounds crystallize in the cubic NaZn13-type structure. By introducing interstitial atoms B or C, the magnetic ground state is changed from the antiferromagnetic (AFM) to the ferromagnetic (FM) state. And, the Curie temperature (TC) significantly enhanced with increasing the content of interstitial atoms (B or C). Compared with the obvious variation in Curie temperature, the saturation magnetization (MS) increased slightly. It is worth noting that the magnetic transition changed from weak first-order to second-order with increasing boron or carbon. All the LaFe11.5Al1.5 borides and carbides exhibit a considerable magnetic entropy change, the maximum magnetic entropy change (-Delta S-M) reach to 9.6 J/kg K for LaFe11.5Al1.5B0.1 and 10.8 J/kg K for LaFe11.5Al1.5C0.2 under a magnetic field change of 0-5 T. (C) 2015 Elsevier B.V. All rights reserved.

Keyword:

Interstitial atom Magnetocaloric effect Phase transition La(Fe,Al)(13) compounds

Author Community:

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

Reprint Author's Address:

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

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Source :

JOURNAL OF ALLOYS AND COMPOUNDS

ISSN: 0925-8388

Year: 2015

Volume: 651

Page: 8-11

6 . 2 0 0

JCR@2022

ESI Discipline: MATERIALS SCIENCE;

ESI HC Threshold:319

JCR Journal Grade:1

CAS Journal Grade:1

Cited Count:

WoS CC Cited Count: 4

SCOPUS Cited Count: 4

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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