Grazing incidence neutron diffraction from large scale 2D structures

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The distorted wave Born approximation (DWBA) is applied to evaluate the diffraction pattern of neutrons (or X-rays) from a 2D array of dots deposited onto a dissimilar substrate. With the radiation impinging on the surface at a grazing incidence angle {alpha}, the intensities diffracted both in and out the plane of specular reflection are calculated as a function of the periodicity of the array, height and diameter of the dots. The results are presented in the form of diffracted intensity contours in a plane with coordinates {alpha} and {alpha}{prime}, the latter being the glancing angle of scattering. The optimization of ... continued below

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16 p.

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Toperverg, B. P.; Felcher, G. P.; Metlushko, V. V.; Leiner, V.; Siebrecht, R. & Nikonov, O. January 13, 2000.

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Description

The distorted wave Born approximation (DWBA) is applied to evaluate the diffraction pattern of neutrons (or X-rays) from a 2D array of dots deposited onto a dissimilar substrate. With the radiation impinging on the surface at a grazing incidence angle {alpha}, the intensities diffracted both in and out the plane of specular reflection are calculated as a function of the periodicity of the array, height and diameter of the dots. The results are presented in the form of diffracted intensity contours in a plane with coordinates {alpha} and {alpha}{prime}, the latter being the glancing angle of scattering. The optimization of the experimental conditions for polarized neutron experiments on submicron dots is discussed. The feasibility of such measurements is confirmed by a test experiment.

Physical Description

16 p.

Notes

INIS; OSTI as DE00751881

Medium: P; Size: 16 pages

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  • 6th Conference on Scattering of X-rays and Neutrons from Surfaces, Noordwij (NL), 10/08/1999

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  • Report No.: ANL/MSD/CP-100878
  • Grant Number: W-31109-ENG-38
  • Office of Scientific & Technical Information Report Number: 751881
  • Archival Resource Key: ark:/67531/metadc711264

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  • January 13, 2000

Added to The UNT Digital Library

  • Sept. 12, 2015, 6:31 a.m.

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  • April 7, 2017, 3:17 p.m.

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Toperverg, B. P.; Felcher, G. P.; Metlushko, V. V.; Leiner, V.; Siebrecht, R. & Nikonov, O. Grazing incidence neutron diffraction from large scale 2D structures, article, January 13, 2000; Illinois. (digital.library.unt.edu/ark:/67531/metadc711264/: accessed October 17, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.