Structural Properties and Magnetic Behavior in the Pseudobinary Alloys CoFe-CoAl
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<jats:title>ABSTRACT</jats:title><jats:p>Structural properties and magnetic behavior in pseudobinary alloys CoFe<jats:sub>1−<jats:italic>x</jats:italic></jats:sub> Al<jats:italic>x</jats:italic> are studied. The B2-phase exists stably over wide ranges of composition and temperature and the Heusler-phase appears around the stoichiometric composition (0.4< <jats:italic>x</jats:italic>< 0.6 ) below about 973K. The mean magnetic moment in the B2-phase region decreases nearly linearly with increase in <jats:italic>x</jats:italic> in <jats:italic>x</jats:italic> > 0.2. Further, it decreases with increase in quenching temperature in <jats:italic>x</jats:italic> < 0.4, while it remains almost constant in <jats:italic>x</jats:italic> > 0.4. The mean magnetic moment of Heusler alloy Co2FeAl (<jats:italic>x</jats:italic> = 0.5) has the value of 1.30μ<jats:sub><jats:italic>B</jats:italic></jats:sub>/atom, nearly the same as in the B2-phase, and shows no remarkable quenching temperature dependence.</jats:p>
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- MRS Proceedings
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MRS Proceedings 842 2004-01-01
Springer Science and Business Media LLC