222 Electron Reflection from Aluminium and Systematic Interaction

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概要

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• Energy dependence of electron diffraction from a bent wedge crystal of Al was investigated experimentally at energies from 100 KeV to 1 MeV as well as theoretically with particular interest in the systematic interaction. The (222) intensity at the crystal orientation for this reflection is remarkably reduced under observation at some 600 KeV where two dispersion sheets cross each other; furthermore the measured energy-dependence of a fine fringe appearing in the extinction contours agrees fairly well with our theoretical prediction. Around the orientation for (111) reflection the observed profile correspondingly to Vingsbo's observation for an MgO crystal (Proc. 6th International Congress for Electron Microscopy, Kyoto (1966), Vol. I 109.). As for (111) extinction distance, the present theoretical estimation gives a fringe-period shorter by 9% and 16% at 100 KeV and 1 MeV respectively than the simple two-ray approximation does.

• 社団法人応用物理学会の論文
• 1967-10-05

著者

• NAGATA Fumio

  Hitachi Central Research Laboratory

• FUKUHARA Akira

  Hitachi Central Laboratory

• Fukuhara Akira

  Hitachi Central Research Laboratory

関連論文

• A Structural Defect of Natural Magnetite Observed in an Electron Microscope Lattice Image
• 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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