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Phys. Rev. Lett. 90, 255503 (2003) [4 pages]

Fourier-Expansion Solution of Atom Distributions in a Crystal Using X-Ray Standing Waves

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L. Cheng1, P. Fenter1, M. J. Bedzyk1,2, and N. C. Sturchio1,3
1Argonne National Laboratory, Argonne, Illinois 60439, USA
2Northwestern University, Evanston, Illinois 60208, USA
3University of Illinois at Chicago, Chicago, Illinois 60607, USA

Received 3 December 2002; published 27 June 2003

Term-by-term Fourier-expansion series, each made up of components having element-specific phases and amplitudes acquired with x-ray standing wave measurements on successive orders of Bragg reflections, are used to reconstruct impurity atom distributions in muscovite mica with respect to the (001) lattice without a priori assumptions on their structures.

© 2003 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.90.255503
DOI:
10.1103/PhysRevLett.90.255503
PACS:
61.10.–i, 68.49.Uv