Journal
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
Volume 310, Issue 2, Pages 2788-2789Publisher
ELSEVIER
DOI: 10.1016/j.jmmm.2006.10.1139
Keywords
shape-memory effect; Heusler alloys; magnetoelastic coupling
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The martensitic transformation temperature Ms depends linearly on the valence electron concentration for Ni-Mn-X Heusler systems where X is a group III-group V element. However, the slopes of the linearity are different for alloys with different X species and increases either as X changes from Al to In (isoelectronic) or from In to Sb (increase in number of p electrons). We discuss the features in the M-s vs e/a diagram and the relative stability of the various crystallographic phases of Ni-Mn based Heusler alloys. (C) 2006 Elsevier B. V. All rights reserved.
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