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The Scherrer Formula for X-Ray Particle Size Determination

Patterson, A. L.·1939·Physical Review

Abstract

An exact derivation of the Scherrer equation is given for particles of spherical shape, values of the constant for half-value breadth and for integral breadth being obtained. Various approximation methods which have been used are compared with the exact calculation. The tangent plane approximation of v. Laue is shown to be quite satisfactory, but some doubt is cast on the use of approximation functions. It is suggested that the calculation for the ellipsoidal particle based on the tangent plane approximation will provide a satisfactory basis for future work.

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Crossref · 10.1103/physrev.56.978

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Authors
Patterson, A. L.
Venue
Physical Review
Published
1939-11-15
Volume
56
Issue
10
Pages
978-982
ISSN
0031-899X (ISSN-L)
OpenAlex
W2060429741
Cited by
9,152
References
0
FWCI
4.88
Type
journal article
Language
en
Open access
closed

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