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A Practical Method for the Determination of the Instrumental Full Width at Half Maximum

Published online by Cambridge University Press:  10 January 2013

D.M.A. Guérin ,
R.D. Bonetto  and
A.G. Alvarez
D.M.A. Guérin
Affiliation:
Centro de Investigatión y Desarrollo en Procesos Cataliticos (CINDECA), Calle 47 N° 257 — (1900) La Plata —, Argentina
R.D. Bonetto
Affiliation:
Centro de Investigatión y Desarrollo en Procesos Cataliticos (CINDECA), Calle 47 N° 257 — (1900) La Plata —, Argentina
A.G. Alvarez
Affiliation:
Centro de Investigatión y Desarrollo en Procesos Cataliticos (CINDECA), Calle 47 N° 257 — (1900) La Plata —, Argentina
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Extract

X-ray diffraction and neutron spectra present a peak assembly whose maxima are centered at angles corresponding to Bragg's law.

Analysis of diffracted intensity profiles in each peak can be used to estimate such morphologic characteristics of the samples as preferred orientation (Brindley and Kurtosy, 1961; Martin, 1966); crystallite sizes (Scherrer, 1919; Warren and Averbach, 1950; Wilson, 1962; and Guérin et al., 1986); and crystal shapes (Wilson, 1949). Such analysis can also be used to estimate the determination of residual stress and lattice defects (Warren and Averbach, 1950; Wilson, 1963). In such studies, a detailed analysis of the diffraction distribution is required and consequently adjustment of intensity values must be carried out, as they are affected by systematic errors in the measuring apparatus (for detailed description, see Klug and Alexander, 1974 and Wilson 1967).

Type
Research Article
Information
Powder Diffraction , Volume 3 , Issue 2 , June 1988 , pp. 84 - 85
Copyright
Copyright © Cambridge University Press 1988

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References

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