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Point Defects in Ferromagnets
Author(s) -
van de Braak H. P.,
Caspeks W. J.
Publication year - 1967
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.19670240235
Subject(s) - condensed matter physics , curie temperature , ferromagnetism , magnetization , point (geometry) , impurity , physics , spin (aerodynamics) , function (biology) , quantum , field (mathematics) , magnetic field , quantum mechanics , mathematics , thermodynamics , geometry , evolutionary biology , biology , pure mathematics
A calculation is made of the local magnetization of the nearest neighbours of non‐magnetic impurities in a Heisenberg ferromagnet with spin quantum number equal to 1/2. For the higher temperatures below the Curie point a molecular‐field model is used. The results for the low‐temperature region, derived by method of the double‐time temperature‐dependent Green function, show that assumptions made in a previous study are valid.