Preferential Oxidation of Fe in Permalloy Films
- 15 August 1971
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 19 (4), 82-84
- https://doi.org/10.1063/1.1653842
Abstract
On the basis of He‐ion backscattering, x‐ray fluorescence, and complementary measurements, it is unambiguously established for the first time that the oxide layer on the surface of oxidized 81% Ni‐19% Fe evaporated films is predominantly Fe‐oxide. Extrapolation of results for pure iron films indicates that the oxide is most likely antiferromagnetic α‐Fe2O3. On the basis of ferromagnetic resonance measurements, it is concluded that the oxide negligibly affects the pinning of the bulk spins at the film‐oxide interface.Keywords
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