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Synthese sous haute pression et structure d'un nouveau pyrochlore contenant du rhenium: Ca1+xRe2O6(OH)2x(x=0,3)

Authors
Journal
Materials Research Bulletin
0025-5408
Publisher
Elsevier
Publication Date
Volume
13
Issue
3
Identifiers
DOI: 10.1016/0025-5408(78)90225-8

Abstract

Abstract A new compound Ca 1+xRe 2O 6(OH) 2x (x=0,3) with a pyrochlore-like arrangement has been synthesized at 55 kbar and 900°C. The crystal structure has been solved by conventional Fourier and least-squares methods using automated four-circle diffractometer data. The Ca 2+ and OH − ions are randomly distributed respectively over the 16d and 8b positions.

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