Simultaneous Diffraction and Borrmann Effect

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概要

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• Simultaneous diffraction of X-ray is theoretically studied for four cases in which the relevant reciprocal points form an isosceles triangle, an equilateral triangle, a square, or a regular hexagon. Explicit expressions are derived for the X-ray wave-field in the crystal when all sets of the diffracting planes concerned satisfy the Bragg condition simultaneously. These expressions give the absorption coefficient characteristic of each polarization-type and eventually explain the anomalous transmission owing to the simultaneous diffraction for the particular configurations. In the case of the equiiateral-triangle configuration, the smallest absorption coefficient is the same as in the case of a single diffraction corresponding to a side of the triangle. In all the other cases enhancements of the anomalous transmission are predicted. Some of the results are compared with the experiment by G. Borrmann (Z. Krist. 121 (1965) 6).

• 社団法人日本物理学会の論文
• 1967-02-05

著者

• FUKUHARA Akira

  Hitachi Central Laboratory

• Fukuhara Akira

  Hitachi Central Research Laboratory

• JOKO Takashi

  Hitachi Central Research Laboratory

関連論文

• Effect of Inelastic Scattering on the Critical Extinction Voltage of Second Order Reflection in Electron Diffraction
• 222 Electron Reflection from Aluminium and Systematic Interaction
• Simultaneous Diffraction and Borrmann Effect
• Vanishing of 222 Kikuchi Line from Ag Crystal
• Inelastic Scattering of Electrons with a Definite Momentum Transfer in a Crystal
• Many-Ray Approximation in the Dynamical Theory of Electron Diffraction

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