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Proceedings Paper

Dehydration and solid solution formation for the LaBr3-CeBr3 binary system
Author(s): Pin Yang; Christopher B. DiAntonio; Timothy J. Boyle; Mark A. Rodriguez; Margaret R. Sanchez
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Paper Abstract

Anhydrous cerium bromide (CeBr3) and cerium doped lanthanum bromide (Ce+3-LaBr3) were obtained by the dehydration of hydrates synthesized by a direct acidification process. The dehydration process involves heating in vacuum through three phase changes - hydrate, amorphous, and crystalline LaBr3. Incomplete removal of the bound water leads to the formation of oxybromides and the partial reduction of the lanthanum at high temperatures. It was found that upon the completion of dehydration (< 200 °C) a complete solid solution can be formed between LaBr3 and CeBr3. These two compounds form a simple binary phase diagram. Challenges associated with the dehydration process are discussed.

Paper Details

Date Published: 22 September 2007
PDF: 8 pages
Proc. SPIE 6707, Penetrating Radiation Systems and Applications VIII, 670709 (22 September 2007); doi: 10.1117/12.740827
Show Author Affiliations
Pin Yang, Sandia National Labs. (United States)
Christopher B. DiAntonio, Sandia National Labs. (United States)
Timothy J. Boyle, Sandia National Labs. (United States)
Mark A. Rodriguez, Sandia National Labs. (United States)
Margaret R. Sanchez, Sandia National Labs. (United States)

Published in SPIE Proceedings Vol. 6707:
Penetrating Radiation Systems and Applications VIII
F. Patrick Doty; H. Bradford Barber; Hans Roehrig, Editor(s)

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