Abstract
The periodic component of the angular dispersion α90 was measured on Ni-Fe films of various compositions deposited onto glass substrates kept at different temperatures. When the substrate temperature ts is about 300°C, the films are almost free from the stress and thus the angular dispersion α90 comes mainly from the magneto-crystalline anisotropy K1 of the crystallites. However, if ts is far below 300°C, then α90 comes not only from K1 but also from the magneto-elastic anisotropy Kσ, α90∝(K12+Kσ2)1/2/Ku, where Ku is the uniaxial anisotropy constant of the film. The anisotropic part of the stress σa estimated from α90 depends on the substrate temperature as σa∼(300-ts)×107(dyn/cm2).
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