A peculiar kind of intensive X-ray standing wave is analytically shown to exist. Such an X-ray interference field is localized in the vicinity of a surface of a crystalline superlattice and its amplitude decays exponentially in both directions perpendicular to the surface. The appearance of the standing wave is accompanied by a deep dip in a chosen Bragg peak of the superlattice.
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http://dx.doi.org/10.1107/S2053273318009877 | DOI Listing |
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