Experimental Study On X-Ray Scattering Factors of Magnesium Oxide

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概要

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• The atomic scattering factors of magnesium and oxygen in magnesium oxide crystals were obtained by the intensity measurement of X-ray reflections from powder samples. The intensity measurements were carried out by the absolute and relative methods, with Cu Ka. In the former method, the Johann type LiF monochromator was used and the effect due to the circumstance that the monochromator crystal is not ideally imperfect was taken into account by adjusting the polarization factor in the intensity formula. It was shown that the experimental values of the scattering factor for magnesium agreed with the theoretical ones within l% at most, over the whole angular range observed. The experimental values of the scattering factor for oxygen were proved to agree with the ones calculated by Tokonami based on the wave function for O^2- in magnesium oxide crystals obtained by Yamashita using a variational principle, rather than the ones calculated by the Hartree-Fock self-consistent field method for free oxygen atoms or ions (Hoerni and Ibers, Berghuis et al., and Freeman), or fictitiously stabilized O^2- ions (Watson-Suzuki).

• 社団法人日本物理学会の論文
• 1965-05-05

著者

• Togawa Sen'ichi

  Department Of Electrochemistry Faculty Of Engineering Yokohama National University

関連論文

• Some Studies on Crystal Growth of Silicon Carbide
• Experimental Study On X-Ray Scattering Factors of Magnesium Oxide

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