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Temperature Dependence of Oblique‐Incidence Anisotropy in Permalloy Films
Author(s) -
Weber P.,
Ruske W.
Publication year - 1966
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.19660170124
Subject(s) - permalloy , anisotropy , condensed matter physics , materials science , magnetostriction , annealing (glass) , isothermal process , magnetization , optics , thermodynamics , composite material , physics , magnetic field , quantum mechanics
The temperature dependence of the oblique‐incidence anisotropy of approximately non‐magnetostrictive permalloy films evaporated onto unheated substrates is investigated. Characteristic experimental results are as follows: 1. For isothermal annealing the time dependence of the constant of uniaxial anisotropy, K u , is logarithmic. 2. During annealing K u changes its sign. 3. The reversible changes of K u as a function of temperature correspond to that of M 2 8 ( M s saturation magnetization). A tentative explanation of the results is given on the basis of known structural properties of oblique‐incidence films.