COHERENT-POTENTIAL APPROXIMATION FOR AMORPHOUS FERROMAGNETIC Fe-TM-B ALLOYS | Zendy

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COHERENT-POTENTIAL APPROXIMATION FOR AMORPHOUS FERROMAGNETIC Fe-TM-B ALLOYS

Author(s) -

陈金昌,

石双合,

赵见高,

詹文山,

沈保根

Publication year - 1987

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.36.1182

Subject(s) - coherent potential approximation , curie temperature , ferromagnetism , materials science , condensed matter physics , amorphous solid , amorphous metal , physics , chemistry , crystallography , electronic structure

A concentration-dependent Curie temperature for amorphous (Fe1-xTMx)1-yBy alloys is given as a solution of a cubic equation using the coherent-potential approximation; and a conclusion has been reached for the exchange inreraction, that JFe-Fe is positive, JTM-TM and JFe-TM are negative. The present conclusion is different from Onodera's result for Fe-Mn-B alloys.

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