Accurate Measurement of Lattice Constant by Means of Electron Diffraction. Lattice Constant bf KCl Referred to Au.

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概要

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• The experimental method adopted was the same as that of Finch and Wilman. The following effects which might cause errors in the measurement were either eliminated or proved to be of negligible order; (1) inadequate setting of specimen of photographic plate to electron beam, (2) refraction, (3) charging up of the plate, (4) temperature elevation by electronimpact. With beaten gold foil or evaporated gold film annealed at 300℃ as the standard references, the following results were obtained on the lattice constant of KCl in both cases; (1) with KCl films immediately after preparation by vacuum evaporation, it was +0.3〜0.15% larger than the X-ray value, (2) by exposure of the film to air, the deviation decreased to a stationary value of +0.15% aud (3) specimen prepared by precipitation from aqueous solution showed the above stationary deviation.

• 一般社団法人日本物理学会の論文
• 1951-12-25

著者

• Kato Norio

  Physical Institute Faculty Of Science Nagoya University:(now) Kobayasi Institute Of Physical Search

関連論文

• Dynamical Theory of Electron Diffraction for a Finite Polyhedral Crystal II. Fraunhofer Formula
• Dynamical Theory of Electron Diffraction for a Finite Polyhedral Crystal I. Extension of Bethe's Theory
• Accurate Measurement of Lattice Constant by Means of Electron Diffraction. Lattice Constant bf KCl Referred to Au.

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