Formation conditions and temperature dependence of forbidden reflections during resonant X-ray diffraction in zinc oxide single crystals
Journal Article
·
· Crystallography Reports
- Russian Academy of Sciences, Shubnikov Institute of Crystallography (Russian Federation)
- Rutherford Appleton Laboratory, Diamond Light Source (United Kingdom)
- Moscow State University (Russian Federation)
Different mechanisms of formation of purely resonant reflections hhl (h = 2n + 1) during resonant diffraction of X-ray synchrotron radiation in zinc oxide, whose intensity very strongly changes with an increase in temperature, are considered. Such reflections, forbidden in the dipole-dipole scattering, can be excited owing to the dipole-quadrupole scattering and the anisotropy of X-ray susceptibility induced by thermal motion of atoms and point defects. Different contributions are theoretically considered and it is shown that they can be separated owing to their different temperature dependences.
- OSTI ID:
- 21090890
- Journal Information:
- Crystallography Reports, Vol. 52, Issue 4; Other Information: DOI: 10.1134/S1063774507040062; Copyright (c) 2007 Nauka/Interperiodica; Article Copyright (c) 2007 Pleiades Publishing, Inc; Country of input: International Atomic Energy Agency (IAEA); ISSN 1063-7745
- Country of Publication:
- United States
- Language:
- English
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