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Vol. 47 (2006) No. 1 P 31-37



Materials with high spin polarization at the Fermi energy (EF) are searched by the systematic band calculation for Heusler alloys X2YZ. It is shown that materials with high density-of-state (DOS) for the majority-spin state at the EF tend to maintain high spin polarization against chemical disorder. Such materials are predicted, using the characteristics of DOS of Heusler alloys. As a candidates, X2(CrxMn1−x)Z will be proposed, where X is combination between transition elements including at least one of Fe, Ru and Os, and Z is combination among IIIb, IVb and Vb elements.

Copyright © 2006 The Japan Institute of Metals and Materials

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