A new barium scandium silicate: Ba9sc2(sio4)6

L. H. Wang; L. F. Schneemeyer; R. J. Cava; T. Siegrist

doi:10.1006/jssc.1994.1361

A new barium scandium silicate: Ba₉sc₂(sio₄)₆

L. H. Wang, L. F. Schneemeyer, R. J. Cava, T. Siegrist

Research output: Contribution to journal › Article › peer-review

43 Scopus citations

Abstract

We report the synthesis and initial characterization of Ba₉Sc₂ (SiO₄)₆, the first example of a new oxide structure-type accommodating a large alkaline earth ion, Ba²⁺, a large octahedral ion, Sc³⁺, and tetrahedral silicate units. Transparent crystals which crystallize in the rhombohedral space group, R3̄, with a_H = 9.8716(2)Å, c_H = 21.9376(7)Å were grown from a silica-rich eutectic melt. The structure contains layers made up of ScO₆ octahedra linked by SiO₄ tetrahedra. The Ba²⁺ ions occupy large high-coordination-number interlayer sites.

Original language	English (US)
Pages (from-to)	211-214
Number of pages	4
Journal	Journal of Solid State Chemistry
Volume	113
Issue number	1
DOIs	https://doi.org/10.1006/jssc.1994.1361
State	Published - Nov 1994
Externally published	Yes

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Ceramics and Composites
Condensed Matter Physics
Physical and Theoretical Chemistry
Inorganic Chemistry
Materials Chemistry

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10.1006/jssc.1994.1361

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abstract = "We report the synthesis and initial characterization of Ba9Sc2 (SiO4)6, the first example of a new oxide structure-type accommodating a large alkaline earth ion, Ba2+, a large octahedral ion, Sc3+, and tetrahedral silicate units. Transparent crystals which crystallize in the rhombohedral space group, R{\=3}, with aH = 9.8716(2){\AA}, cH = 21.9376(7){\AA} were grown from a silica-rich eutectic melt. The structure contains layers made up of ScO6 octahedra linked by SiO4 tetrahedra. The Ba2+ ions occupy large high-coordination-number interlayer sites.",

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AU - Wang, L. H.

AU - Schneemeyer, L. F.

AU - Cava, R. J.

AU - Siegrist, T.

PY - 1994/11

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AB - We report the synthesis and initial characterization of Ba9Sc2 (SiO4)6, the first example of a new oxide structure-type accommodating a large alkaline earth ion, Ba2+, a large octahedral ion, Sc3+, and tetrahedral silicate units. Transparent crystals which crystallize in the rhombohedral space group, R3̄, with aH = 9.8716(2)Å, cH = 21.9376(7)Å were grown from a silica-rich eutectic melt. The structure contains layers made up of ScO6 octahedra linked by SiO4 tetrahedra. The Ba2+ ions occupy large high-coordination-number interlayer sites.

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A new barium scandium silicate: Ba₉sc₂(sio₄)₆

Abstract

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