Journal
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
Volume 310, Issue 2, Pages 2823-2825Publisher
ELSEVIER
DOI: 10.1016/j.jmmm.2006.10.979
Keywords
LaFe11.0Co0.8(Si1-xAlx)(1.2) compounds; magnetic property; magnetic entropy change
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The magnetic properties and magnetic entropy changes of the LaFe11.0Co0.8(Si1-xAlx)(1.2) (x= 0, 0.2, 0.4, and 0.6) compounds have been experimentally studied. The Curie temperature is found to increase with increasing Al concentration from 276 K for x=0 to 290 K for x=0.6. The maximum magnetic entropy change vertical bar DS vertical bar under a field change of 0-5T reduces from 18.5 to 8.8 J/kg K as x increases from 0 to 0.6, whereas the full- width at half- maximum of vertical bar DS vertical bar, delta T-FWHM, increases from 27 to 51 K. (C) 2006 Elsevier B. V. All rights reserved.
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