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Effects of sample transparency in powder diffraction

Published online by Cambridge University Press:  10 January 2013

Derk Reefman
Derk Reefman
Affiliation:
Philips Research Laboratories, Prof. Holstlaan 4, 5656 AA Eindhoven, the Netherlands
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Abstract

The effects of sample transparency in a powder diffraction experiment are discussed, and formulas including effects from horizontal divergence are derived. It is shown that the classical formula by Alexander [L. E. Alexander J. Appl. Phys. 21, 126 (1950)] is only a limiting case for zero horizontal divergence. It is also shown that in some cases extinction effects can play a role. The impact of these effects on both the line profile as well as the integrated intensity and experiments illustrating these phenomena, are discussed.

Type
Research Article
Information
Powder Diffraction , Volume 11 , Issue 2 , June 1996 , pp. 107 - 113
Copyright
Copyright © Cambridge University Press 1996

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