Bragg-surface dynamical diffraction
In this work, the dispersion surface of Bragg-surface diffraction (BSD) is presented. A symmetric Bragg reflection plus a secondary diffracted wave nearly parallel to in-plane directions distinguish the BSD from an ordinary three-beam diffraction. The solutions of the fundamental equations of the dynamical theory of X-ray diffraction for the BSD demonstrate that measurable specular-reflected secondary waves are simultaneously excited with the diffracted waves.
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