An Electron Diffraction Study and a Theory of the Transformation from γ-Fe_2O_3 to α-Fe_2O_3
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概要
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Phase transformation ofγ-Fe_2O_3 toα-Fe_2O_3 was studied by electron diffraction. Above 400℃γ-Fe_2O_3 is transformed toα-form which consists of twins. The orientation relationship of the transformation is (111)_γ//(0001)_α and [110]_γ//[0110]_α. The twinning plane of transformation product was determined to be basal or (0110) Plane. The transformation mechanism consists of the re-stacking of close-packed oxygen ion layers and the synchronous displacement of ferric ions located at the interstices of oxygen. These cooperative movements are discussed by dislocation models.
- 社団法人日本物理学会の論文
- 1963-01-05
著者
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KACHI Sukeji
Department of Chemistry, Kyoto University
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Kachi Sukeji
Department Of Chemistry Faculty Of Science Kyoto University
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Shimizu Shigeki
Department Of Chemistry Faculty Of Science University Of Kyoto
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MOMIYAMA Kimio
Department of Chemistry, Faculty of Science, University of Kyoto
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Momiyama Kimio
Department Of Chemistry Faculty Of Science University Of Kyoto
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Kachi Sukeji
Department Of Chemistry Faculty Of Science University Of Kyoto
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Kachi S.
Department of Chemistry, Faculty of Science Kyoto University
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