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Author:

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

Indexed by:

EI Scopus SCIE

Abstract:

Magnetic properties and magnetocaloric effect (MCE) in LaFe11.5Si1.5 B (0.2) have been investigated by substituting 30 % Pr for La. It is found that the substitution of 30 % Pr for La leads to a reduction in Curie temperature (T (C)) from 200 to 190 K. The characteristic of the itinerant electron metamagnetic (IEM) transition above T (C) becomes more prominent with the substitution of 30 % Pr for La. The maximum magnetic entropy change (-Delta S (M)) is remarkably enhanced from 13.0 to 17.9 J/kg center dot K under a field change of 0-3 T, and correspondingly, the values of refrigerant capacity (RC) for LaFe11.5Si1.5 B (0.2) and La0.7Pr0.3Fe11.5Si1.5 B (0.2) are 167 and 224 J/kg, respectively. The large -Delta S (M) and the high RC in a low magnetic field indicate that La0.7Pr0.3Fe11.5Si1.5 B (0.2) may be a promising candidate for magnetic refrigeration material near 200 K.

Keyword:

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

Author Community:

  • [ 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, 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 SUPERCONDUCTIVITY AND NOVEL MAGNETISM

ISSN: 1557-1939

Year: 2014

Issue: 8

Volume: 27

Page: 1899-1902

1 . 8 0 0

JCR@2022

ESI Discipline: PHYSICS;

ESI HC Threshold:202

JCR Journal Grade:4

CAS Journal Grade:4

Cited Count:

WoS CC Cited Count: 6

SCOPUS Cited Count: 6

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 4

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