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About non-Gaussian behaviour of the Debye-Waller factor at largescattering vectors
Published online by Cambridge University Press: 03 September 2003
Abstract
The modified expression for Debye-Waller factor is derived for the scattering of X-rays from rough surfaces and interfaces. For the large values of scattering vector, the non-Gaussian behaviour of this factor is predicted. This effect can be essential for interpretation of X-ray reflectivity from very rough surfaces and high-order X-ray diffraction data. The experimental X-ray reflectivity measurements are interpreted using the derived expression.
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- © EDP Sciences, 2003
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