Lattice Distortion and Magnetic Inhomogeneity in Fe-Ni Invar Alloy
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概要
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X-ray diffraction and magnetization measurements were carried out on Invar alloy with magnetic inhomogeneity over the temperature range from room temperature to 400℃. The temperature dependence of the lattice strains on the (311), (220) and (200) planes were calculated from the diffraction line breadths. It was found that the average lattice strain (?d/d) at room temperature amounts to 1.17 × 10^<-3> and almost vanishes above the Curie temperature, and furthermore the temperature dependence is similar to the temperature dependence of the magnetization. The origin of the large lattice-distortion is discussed on the basis of the anomalous magnetovolume effect and the related lattice instability in Invar composition.
- 社団法人応用物理学会の論文
- 1981-03-05
著者
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ARAI Juichiro
Faculty of Science and Technology, Tokyo University of Science
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Arai Juichiro
Department Of Physics Faculty Of Science And Technology Science University
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