Journal
JOURNAL OF ALLOYS AND COMPOUNDS
Volume 413, Issue 1-2, Pages 7-10Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2005.06.066
Keywords
Laves compounds; casting; X-ray diffraction; magnetocaolric effect
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The influences of partial boron substitution on the phase formation, Curie temperature and magnetic entropy of GdFe0.3(Al(1-x)Bx)(1.7d) compounds with Laves phase structure have been studied. With addition of a small amount of boron (x < 0.05). single phase materials with Laves phase structure still form. When x >= 0.075, GdB4 appears as a secondary phase. The appropriate addition of boron (x = 0.05) decreases the change of the magnetic entropy slightly, while improving the Curie temperature by 5 K and extending the width of the peak for the magnetic entropy change. (c) 2005 Elsevier B.V. All rights reserved.
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