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Lu-atom-ordered oxonitridoaluminosilicate Ba0.9Ce0.1LuAl0.2Si3.8N6.9O0.1.


ABSTRACT: A single crystal of Ba0.9Ce0.1LuAl0.2Si3.8N6.9O0.1 (barium cerium lutetium aluminosilicate nitride oxide) was obtained by heating a mixed powder of Ba3N2, Si3N4, Al, Lu2O3, and CeO2 at 2173?K for 1?h under N2 gas at 0.85?MPa. X-ray single-crystal structure analysis revealed that the title oxynitride is hexa-gonal (lattice constants: a = 6.0378?(5)?Å, c = 9.8133?(9)?Å; space group: P63 mc) and isostructural with BaYbSi4N7. (Ba,Ce) and Lu atoms occupy twelvefold and sixfold coordination sites, respectively.

SUBMITTER: Simura R 

PROVIDER: S-EPMC7643228 | biostudies-literature | 2020 Nov

REPOSITORIES: biostudies-literature

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Lu-atom-ordered oxonitridoaluminosilicate Ba<sub>0.9</sub>Ce<sub>0.1</sub>LuAl<sub>0.2</sub>Si<sub>3.8</sub>N<sub>6.9</sub>O<sub>0.1</sub>.

Simura Rayko R   Yamane Hisanori H  

Acta crystallographica. Section E, Crystallographic communications 20201006 Pt 11


A single crystal of Ba<sub>0.9</sub>Ce<sub>0.1</sub>LuAl<sub>0.2</sub>Si<sub>3.8</sub>N<sub>6.9</sub>O<sub>0.1</sub> (barium cerium lutetium aluminosilicate nitride oxide) was obtained by heating a mixed powder of Ba<sub>3</sub>N<sub>2</sub>, Si<sub>3</sub>N<sub>4</sub>, Al, Lu<sub>2</sub>O<sub>3</sub>, and CeO<sub>2</sub> at 2173 K for 1 h under N<sub>2</sub> gas at 0.85 MPa. X-ray single-crystal structure analysis revealed that the title oxynitride is hexa-gonal (lattice constants: <i>a</i> =  ...[more]

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