Electronic Structure of Iron Nitrides Studied by Electron Diffraction. I. : γ'-Fe_4N
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概要
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Using the fact that low order reflection intensities in electron diffraction depend strongly on the electronic state of atoms in crystals, the electronic structure of γ'-Fe_4N was determined by measuring superstructure reflection intensities, which are contributed almost by nitrogen atoms, from a polycrystalline film produced by nitridingan evaporated iron film with ammonia-hydrogen gas. The observed superstructure reflection intensities were put on the absolute scale by comparing with higher order main reflection intensities free from the effect of atomic ionization. A detailed analysis lead to the conclusion that the electronic structure is Fe^0(Fe^<+1/3>)_3N^<-1>. Although the present structure is different from the models proposed previously for the interpretation of the ferromagnetic properties of γ'-Fe_4N, it is possible to interpret the magnetic moment distribution equally well. Some discussions are also given about the bonding nature in the nitride.
- 社団法人日本物理学会の論文
- 1968-08-05
著者
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Nagakura Sigemaro
Faculty Of Engineering Department Of Metallurgy Tokyo Institute Of Technology
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Nagakura Sigemaro
Faculty Of Engineering Tokyo Institute Of Technology
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- Electronic Structure of Iron Nitrides Studied by Electron Diffraction. I. : γ'-Fe_4N