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Compositionally modulated films have been prepared by alternate deposition of Fe and Gd atoms. The films with each layer thickness of more than ∼30 Å show a new magnetic layer structure having a “compensation temperature”. The observed temperature dependence of magnetizations has been understood by considering independent contributions from the Fe and Gd regions. The sample with the shortest periodicity of the modulation (Fe 9 Å/Gd 11 Å), presents the magnetization vs temperature relation quite similar to a coevaporated amorphous film of Gd 30 Fe 70 .
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Morishita et al. (1985) studied this question.
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