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Applications of Total Pattern Fitting to a Study of Crystallite Size and Strain in Zinc Oxide Powder

Published online by Cambridge University Press:  10 January 2013

J. I. Langford ,
D. Louër ,
E. J. Sonneveld  and
J. W. Visser
J. I. Langford
Affiliation:
Department of Physics, University of Birmingham B15 2TT, England.
D. Louër
Affiliation:
Laboratoire de Cristallochimie (U.A. 254 au C.N.R.S.), Université de Rennes I, Avenue du Général Leclerc, 35042 Rennes Cédex, France.
E. J. Sonneveld
Affiliation:
Technisch Physische Dienst TNO-TH, P.O. Box 155, Delft, The Netherlands.
J. W. Visser
Affiliation:
Technisch Physische Dienst TNO-TH, P.O. Box 155, Delft, The Netherlands.
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Abstract

A novel approach to the determination of crystallite size and lattice strain by means of Total Pattern Analysis is described. Parameters to define the position, magnitude, breadth and shape of individual peaks are obtained by an adaptation of the pattern fitting program of Sonneveld and Visser (J. Appl. Cryst. 8, 1–7, 1975). A rapid assessment of the nature of the specimen broadening is given by a Williamson-Hall Plot. This leads to a more detailed study of line breadths by, for example, Voigt analysis applied to several orders of reflections or to single lines. Preliminary results are given for the application of this procedure to ‘size only’ and ‘size-strain’ samples of ZnO.

Type
Research Article
Information
Powder Diffraction , Volume 1 , Issue 3 , September 1986 , pp. 211 - 221
Copyright
Copyright © Cambridge University Press 1986

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