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Title: Inelastic x-ray scattering from phonons under multibeam conditions

Abstract

We report on an experimental observation of a previously neglected multibeam contribution to the inelastic x-ray scattering cross section. Its manifestation is a substantial modification of the apparent phonon selection rules when two (or more) reciprocal lattice points are simultaneously intercepted by the Ewald sphere. The observed multibeam contributions can be treated semi-quantitatively in the frame of Renninger's 'simplest approach'. A few corollaries, relevant for experimental work on inelastic scattering from phonons, are presented.

Authors:
;  [1]
  1. European Synchrotron Radiation Facility, Boite Postal 220, F-38043 Grenoble Cedex (France)
Publication Date:
OSTI Identifier:
20976718
Resource Type:
Journal Article
Resource Relation:
Journal Name: Physical Review. B, Condensed Matter and Materials Physics; Journal Volume: 75; Journal Issue: 9; Other Information: DOI: 10.1103/PhysRevB.75.092302; (c) 2007 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; CROSS SECTIONS; INELASTIC SCATTERING; PHONONS; SELECTION RULES; X-RAY DIFFRACTION

Citation Formats

Bosak, Alexey, and Krisch, Michael. Inelastic x-ray scattering from phonons under multibeam conditions. United States: N. p., 2007. Web. doi:10.1103/PHYSREVB.75.092302.
Bosak, Alexey, & Krisch, Michael. Inelastic x-ray scattering from phonons under multibeam conditions. United States. doi:10.1103/PHYSREVB.75.092302.
Bosak, Alexey, and Krisch, Michael. Thu . "Inelastic x-ray scattering from phonons under multibeam conditions". United States. doi:10.1103/PHYSREVB.75.092302.
@article{osti_20976718,
title = {Inelastic x-ray scattering from phonons under multibeam conditions},
author = {Bosak, Alexey and Krisch, Michael},
abstractNote = {We report on an experimental observation of a previously neglected multibeam contribution to the inelastic x-ray scattering cross section. Its manifestation is a substantial modification of the apparent phonon selection rules when two (or more) reciprocal lattice points are simultaneously intercepted by the Ewald sphere. The observed multibeam contributions can be treated semi-quantitatively in the frame of Renninger's 'simplest approach'. A few corollaries, relevant for experimental work on inelastic scattering from phonons, are presented.},
doi = {10.1103/PHYSREVB.75.092302},
journal = {Physical Review. B, Condensed Matter and Materials Physics},
number = 9,
volume = 75,
place = {United States},
year = {Thu Mar 01 00:00:00 EST 2007},
month = {Thu Mar 01 00:00:00 EST 2007}
}