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Rietveld refinement of Ca (sub 2) TiSiO (sub 6) perovskite
Kurt Leinenweber and John B. Parise
Rietveld refinement of Ca (sub 2) TiSiO (sub 6) perovskite
American Mineralogist (June 1997) 82 (5-6): 475-478
Rietveld refinement of Ca (sub 2) TiSiO (sub 6) perovskite
American Mineralogist (June 1997) 82 (5-6): 475-478
Index Terms/Descriptors
Abstract
The structure of the high-pressure cubic double perovskite Ca (sub 2) TiSiO (sub 6) was refined using synchrotron X-ray powder data [S.G. Fm3m, a = 7.4105(1) Aa, Z = 4]. Ti and Si are fully ordered into alternating octahedra in the perovskite framework, with Ca occupying a tetrahedrally distorted cuboctahedron. The cation-anion bond lengths are Ti-O = 1.947(3) Aa, Si-O = 1.758(3) Aa, and Ca-O = 2.622(1) Aa.
ISSN: 0003-004X
EISSN: 1945-3027
Coden: AMMIAY
Serial Title: American Mineralogist
Serial Volume: 82
Serial Issue: 5-6
Title: Rietveld refinement of Ca (sub 2) TiSiO (sub 6) perovskite
Affiliation: Arizona State University, Department of Chemistry,
Tempe, AZ,
United States
Pages: 475-478
Published: 199706
Text Language: English
Publisher: Mineralogical Society of America,
Washington, DC,
United States
References: 12
Accession Number: 1997-055738
Categories: Mineralogy of non-silicates
Document Type: Serial
Bibliographic Level: Analytic
Secondary Affiliation: State University of New York,
USA,
United States
Country of Publication: United States
Secondary Affiliation: GeoRef, Copyright 2018, American Geosciences Institute.
Update Code: 199718
