Dynamical X-Ray Diffraction Profiles for Asymmetric Reflection form Crystals under Grazing Incidence Conditions
- 1 October 1988
- journal article
- Published by IOP Publishing in Japanese Journal of Applied Physics
- Vol. 27 (10A) , L1976
- https://doi.org/10.1143/jjap.27.l1976
Abstract
Dynamical X-ray diffraction during total external reflection has been studied by measuring rocking curves from Bragg planes nearly perpendicular to the flat surface of a germanium single crystal. The rocking-curve profiles for both the diffracted and specular beams observed from slightly asymmetric Bragg planes were found to be quite different from those from the symmetric plane. Experiments using a parallel X-ray beam and a surface passivated sample confirmed the rocking-curve features arising from the excitation and de-excitation of the wave fields in shallow surface layers of the bulk crystal.Keywords
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