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Characterisation of K-doped Bi4V2O11 by combined XRD and EPMA: A cautionary tale

Published online by Cambridge University Press:  10 January 2013

C. K. Lee ,
A. M. Coats  and
A. R. West
C. K. Lee
Affiliation:
Chemistry Department, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia
A. M. Coats
Affiliation:
Chemistry Department, University of Aberdeen, Meston Walk, Aberdeen, AB24 3UE, United Kingdom
A. R. West
Affiliation:
Chemistry Department, University of Aberdeen, Meston Walk, Aberdeen, AB24 3UE, United Kingdom
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Abstract

A comparison of X-ray powder diffraction and electron probe microanalyses on samples of Na- and K-doped Bi4V2O11 (BIMEVOX) solid electrolytes indicates some of the problems associated with using XRD to assess phase purity, especially in materials of variable composition such as BIMEVOXes. In this study both the Na- and K-doped materials appeared phase pure by XRD. EPMA indicated the Na-doped materials to be single phase with their expected compositions while the K-containing materials were not phase pure with very little K present in the main BIMEVOX phase.

Type
Research Article
Information
Powder Diffraction , Volume 12 , Issue 4 , December 1997 , pp. 245 - 247
Copyright
Copyright © Cambridge University Press 1997

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References

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