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X‐Ray Bragg Dynamical Diffraction in Crystals Weakly Deformed by Ultrasonic Waves
Author(s) -
Polikarpov I. V.,
Skadorov V. V.
Publication year - 1988
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.2221490203
Subject(s) - reflection (computer programming) , diffraction , bragg's law , ultrasonic sensor , tensor (intrinsic definition) , optics , resonance (particle physics) , crystal (programming language) , transverse plane , physics , materials science , condensed matter physics , atomic physics , acoustics , geometry , mathematics , structural engineering , computer science , programming language , engineering
The dynamical diffraction of X‐rays in crystals weakly deformed by transverse ultrasonic waves is investigated. Analytical expressions for the crystal reflection tensor and the modified refractive indexes for the cases of two‐and four‐level X‐ray‐acoustic resonances are obtained. It is shown that the modified refractive indexes and reflection tensor depend on the X‐ray‐acoustic resonance conditions.