Variation of Electron Diffraction Intensity with Wavelength of Electrons

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概要

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• Intensity of electron diffraction Debye-Scherrer rings of evaporated films of aluminum, nickel, gold and Sodium fluoride was measured for electrons in a range of wavelength λ from 0.1 to 0.025 Å (accelerating voltage from 15 to 200 kV). Logarithm of observed intensity varies linearly wit λ^2 for not too largeλ in accordance with the dynamical theory of two-wave approximation. The value extrapolated toλ= 0 coincides with the kinematical value within experimental errors 5 〜 l5%. The gradient of the linear relation, too coincides with the value calculated from the theory. No complication was found which requires cxplicitly the many-wave theory. The deviation from the linearity for large λ was reasonably explained as a result of absorption.

• 社団法人日本物理学会の論文
• 1961-11-05

著者

• Kitamura Norihisa

  Physics Department Tokyo Institute Of Technology

• Kitamura N.

  Physics Department, Tokyo Institute of Technology

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• Variation of Electron Diffraction Intensity with Wavelength of Electrons

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