The Boundary Effect of Reflected X-rays at Ground Quartz Plate

概要

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Anomalous enhancement of reflected intensity of X-rays at the boundary between ground and etched region of a plate of quartz single crystal which had been found by Fukushima, was studied by applying topographic method to the Laue photograph, where incident white X-rays are made to fall at a small angle on the plate. The boundary effect was observed for many diffraction spots of the Bragg and Laue cases. A similar effect was also observed in the neighbourhood of the edge of the ground surface of acrystal, the adjacent surface of which was not ground. The strain field near the boundary or the edge, which is considered to be responsible for the intensity enhancement, was confirmed experimentally for phenolite by photoelastic method, and was considered from the standpoint of the theory of elasticity.
社団法人日本物理学会の論文
1962-02-05