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Electron Interaction with Alkali Chromium Fluorides in the High-Resolution Electron Microscope

Published online by Cambridge University Press:  21 February 2011

Renu Sharma and
LeRoy Eyring
Renu Sharma
Affiliation:
Center for Solld State Science and Department of Chemistry Arizona State University, Tempe, AZ 85287
LeRoy Eyring
Affiliation:
Center for Solld State Science and Department of Chemistry Arizona State University, Tempe, AZ 85287
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Abstract

Different structure types related to the hexagonal tungsten bronze structure have been observed in the AxCrF3 sytem (A= K, Rb) by electron diffraction and high resolution electron microscopy. These structures decomposed into alkali metal and CrF3 in the electron beam. The former evaporates, leaving the original structure highly unstable. CrF3 crystallizes via a highly disordered phase to a distorted ReO3–type structure.

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References

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