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Spin‐wave measurements of exchange constant A in Ni‐Fe alloy thin films
Author(s) -
Hennemann O. D.,
Siegel E.
Publication year - 1976
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.2220770121
Subject(s) - nickel , alloy , constant (computer programming) , ferromagnetism , spin (aerodynamics) , spin wave , condensed matter physics , ferromagnetic resonance , materials science , range (aeronautics) , resonance (particle physics) , analytical chemistry (journal) , chemistry , physics , metallurgy , atomic physics , thermodynamics , magnetization , composite material , magnetic field , quantum mechanics , chromatography , computer science , programming language
The ferromagnetic exchange constant is measured using spin‐wave resonance in eight nickel‐iron alloys with a composition range from about 55 to 95% Ni. The exchange constant A varies with composition as A = (2.25 ‐ 1.4 C Ni )erg/cm. The data are in good agreement with the values published by Wilts and Lai.