Electronic aspects of the martensitic transition in Ni-Mn based Heusler alloys
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, cilt.310, sa.2, ss.2788-2789, 2007 (SCI-Expanded, Scopus)
- Yayın Türü: Makale / Tam Makale
- Cilt numarası: 310 Sayı: 2
- Basım Tarihi: 2007
- Doi Numarası: 10.1016/j.jmmm.2006.10.1139
- Dergi Adı: JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
- Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
- Sayfa Sayıları: ss.2788-2789
- Anahtar Kelimeler: shape-memory effect, Heusler alloys, magnetoelastic coupling, SHAPE-MEMORY ALLOYS, STRAIN
- Ankara Üniversitesi Adresli: Hayır
Özet
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.