Local spin excitations and Curie temperature of iron

The expression for the Curie temperature of ferromagnetic metals in the mean field approximations is obtained for arbitrary types of exchange interactions. In the framework of local spin density functional approach an exact formula for the effective exchange parameter J 0 is derived. The numerical c...

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Veröffentlicht in:	Solid state communications 1985-04, Vol.54 (4), p.327-329
Hauptverfasser:	Liechtenstein, A.I., Katsnelson, M.I., Gubanov, V.A.
Format:	Artikel
Sprache:	eng
Schlagworte:	Condensed matter: electronic structure, electrical, magnetic, and optical properties Cross-disciplinary physics: materials science rheology Exact sciences and technology Magnetic phase boundaries (including magnetic transitions, metamagnetism, etc.) Magnetic properties and materials Magnetically ordered materials: other intrinsic properties Materials science Metals, semimetals and alloys Other topics in magnetic properties and materials Physics Specific materials
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Beschreibung
Zusammenfassung:	The expression for the Curie temperature of ferromagnetic metals in the mean field approximations is obtained for arbitrary types of exchange interactions. In the framework of local spin density functional approach an exact formula for the effective exchange parameter J 0 is derived. The numerical calculations for ferromagnetic iron illustrate the possibilities of the method.
ISSN:	0038-1098 1879-2766
DOI:	10.1016/0038-1098(85)90007-9