Abstract

An experimental method of measuring absolute structure factors in imperfect single crystals by means of Bragg diffraction of 0.03 A γ-radiation is presented. It is shown that in principle atomic scattering factors can be deduced with an accuracy of about ±0.5% from rocking curves measured by means of γ-ray diffractometry. Due to the uncertainties in the correction for thermal motion of the atoms, however, the values of the atomic scattering factors of copper at the 220, 2\bar 22 and 333 reflexions could be derived only with an accuracy of ±1%. The measurements were made at room temperature.

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