Phys. Rev. Lett. 65, 3337–3340 (1990)Solving the phase problem with multiple-beam diffraction and elliptically polarized x raysReceived 24 September 1990; published in the issue dated 24 December 1990 Interference among Bragg beams and effects of polarization-state mixing in a multiple-beam diffraction process leads to a new method of determining noncentrosymmetric phases when an elliptically polarized x-ray beam is used. This idea is proposed for the first time, based on the perturbation theory of scattering, and is demonstrated by an experiment on a GaAs single crystal. © 1990 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.65.3337
DOI:
10.1103/PhysRevLett.65.3337
PACS:
78.70.Ck, 61.10.Dp, 61.10.Lx
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