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/lp/wiley/d-sordre-lin-aire-dans-les-cristaux-cas-du-silicium-du-quartz-et-des-p-mQ61WMPG07
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- Publisher
- Wiley
- Copyright
- Copyright © 1970 Wiley Subscription Services, Inc., A Wiley Company
- ISSN
- 0108-7673
- eISSN
- 1600-5724
- DOI
- 10.1107/S056773947000061X
- Publisher site
- See Article on Publisher Site
Abstract
<jats:p>Many crystals produce a diffuse scattering of X-rays which is localized in a series of relplanes. It is shown that the corresponding linear disorder in the crystal may have various origins. In silicon, the scattering is due to thermal vibrations and is well explained by the elastic properties of the crystal. In neutron irradiated quartz the radiation damage is responsible for the major part of the scattering. The case of BaTiO<jats:sub>3</jats:sub> and KNbO<jats:sub>3</jats:sub> is discussed in detail. A linear disorder is proposed which accounts better for the different distributions of the scattering in the 4 allotropic phases than the alternative explanation of the soft mode. In spite of some neutron inelastic scattering results it is not yet possible to distinguish between static and dynamic disorder.</jats:p>
Journal
Acta Crystallographica Section A Foundations of Crystallography – Wiley
Published: Jan 1, 1970