Giant-magnetic clusters and susceptibility enhancement in Pd-Ni alloys | Zendy

Nicholas Kioussis | Zendy; J. W. Garland | Zendy

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Giant-magnetic clusters and susceptibility enhancement in Pd-Ni alloys

Author(s) -

Nicholas Kioussis,

J. W. Garland

Publication year - 1991

Publication title -

physical review letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.688

H-Index - 673

eISSN - 1079-7114

pISSN - 0031-9007

DOI - 10.1103/physrevlett.67.366

Subject(s) - condensed matter physics , pauli exclusion principle , ferromagnetism , paramagnetism , magnetization , magnetic susceptibility , formalism (music) , impurity , materials science , physics , saturation (graph theory) , cluster (spacecraft) , alloy , magnetic field , quantum mechanics , art , musical , mathematics , composite material , combinatorics , computer science , visual arts , programming language

A recently developed formalism is used to calculate the saturation magnetization and temperature-dependent, exchange-enhanced Pauli susceptibility of paramagnetic and weakly ferromagnetic Pd-Ni alloys. The effects of quantum and thermal spin fluctuations are included in alloy calculations for the first time, through the use of a semiphenomenological theory consistent with the results of renormalization-group theory for the single-impurity problem. Two different cluster methods are used, both of which yield results superior to those of all previous theories and in good agreement with experiment

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