Abstract

The intensity formula of the thermal diffuse scattering (TDS) of electrons developed by the present authors is applied to the scattering from aluminium crystals observed by Honjo, Kitamura and Kodera (J. Phys. Soc. Japan 19 (1964) 351). The numerical calculations give the intensity distribution of non-radial streaks observed. The second-order TDS is found to give rise to diffuse streaks with intensity distribution similar to those to the first-order TDS. The intensity of the second-order TDS is comparable in magnitude with that of the first-order TDS in the high scattering angle region at room temperature. The intensity ratio between the scatterings calculated on the basis of the dynamical and kinematical theories varies from 3 to 0.5 with the anomalous increase or decrease of the ratio in the small angle region.

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