X-Ray Study on Electron Distributions in Some Mono-Oxides of Transition Elements

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概要

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• X-ray reflection intensities were measured with a diffractometer on Powder specimens of NiO, CoO and MnO, of particle size less than about 5μ with MoK_α ,CuK_α FeK_α and CrK_α. By a scaling procedure, the absolute values of the experimental structure factors were derived. The temperature factors of individual ions were estimated by three dimensional difference Fourier syntheses. The factors obtained were B_<N1>=0.63Å_2 and B_O=0.41Å_2 for NiO, B_<c_0>=0.52Å_2 and B_0=0.48Å_2 for CoO and B_<Nn>=0.88Å_2 and B_O=0.66Å_2 for MnO. It is found that the electron Distribution in the three oxides is very similar to each other, and that the electron density near the center of [111] direction is smaller beyond the limit of experimental errors than that of the theoretical calculations for the spherical free ion.

• 社団法人日本物理学会の論文
• 1965-03-05

著者

• Uno Ryosei

  Department Of Physics College Of Humanities And Sciences Nihon University

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• Crystallization Process from Amorphous PbTiO_3
• The Correction of Experimental Structure Factors for Thermal Diffuse Scattering in the White X-Ray Diffraction
• "ε-Scanning" : A Method of Evaluating the Dimensional and Orientational Distribution of Crystallites by X-Ray Powder Diffractometer
• X-Ray Study on Electron Distributions in Some Mono-Oxides of Transition Elements
• Electrical Conduction of NiO at High Temperature
• Structure Factors and Temperature Factors of NiO

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