Growth and structure of A3NbGa3Si2O14 (A=Sr, Ca) compounds

Il Hyoung Jung; Akira Yoshikawa; Tsuguo Fukuda; Keun Ho Auh

doi:10.1016/S0925-8388(01)01961-2

Growth and structure of A₃NbGa₃Si₂O₁₄ (A=Sr, Ca) compounds

Il Hyoung Jung, Akira Yoshikawa, Tsuguo Fukuda, Keun Ho Auh

Materials Property Division

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

25 Citations (Scopus)

Abstract

A₃NbGa₃Si₂O₁₄ (A=Sr, Ca) compounds were grown using the Czochralski method after preparing by solid-state reaction. X-ray structure analysis of grown Sr₃NbGa₃Si₂O₁₄ (SNGS) and Ca₃NbGa₃Si₂O₁₄ (CNGS) single crystals showed that they were isostructural to that of Ca₃Ga₂Ge₄O₁₄, which had space group P321. The lattice constants of SNGS and CNGS were calculated to be a=8.282, 8.087 and c=5.073, 4.980 Å, respectively. The final R and R_w values for the refinement were 0.0353 and 0.0354, respectively. Piezoelectric properties of these crystals were measured.

Original language	English
Pages (from-to)	149-155
Number of pages	7
Journal	Journal of Alloys and Compounds
Volume	339
Issue number	1-2
DOIs	https://doi.org/10.1016/S0925-8388(01)01961-2
Publication status	Published - 2002 Jun 13

Keywords

Crystal growth
Crystal structure and symmetry

ASJC Scopus subject areas

Mechanics of Materials
Mechanical Engineering
Metals and Alloys
Materials Chemistry

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title = "Growth and structure of A3NbGa3Si2O14 (A=Sr, Ca) compounds",

abstract = "A3NbGa3Si2O14 (A=Sr, Ca) compounds were grown using the Czochralski method after preparing by solid-state reaction. X-ray structure analysis of grown Sr3NbGa3Si2O14 (SNGS) and Ca3NbGa3Si2O14 (CNGS) single crystals showed that they were isostructural to that of Ca3Ga2Ge4O14, which had space group P321. The lattice constants of SNGS and CNGS were calculated to be a=8.282, 8.087 and c=5.073, 4.980 {\AA}, respectively. The final R and Rw values for the refinement were 0.0353 and 0.0354, respectively. Piezoelectric properties of these crystals were measured.",

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AU - Jung, Il Hyoung

AU - Yoshikawa, Akira

AU - Fukuda, Tsuguo

AU - Auh, Keun Ho

PY - 2002/6/13

Y1 - 2002/6/13

N2 - A3NbGa3Si2O14 (A=Sr, Ca) compounds were grown using the Czochralski method after preparing by solid-state reaction. X-ray structure analysis of grown Sr3NbGa3Si2O14 (SNGS) and Ca3NbGa3Si2O14 (CNGS) single crystals showed that they were isostructural to that of Ca3Ga2Ge4O14, which had space group P321. The lattice constants of SNGS and CNGS were calculated to be a=8.282, 8.087 and c=5.073, 4.980 Å, respectively. The final R and Rw values for the refinement were 0.0353 and 0.0354, respectively. Piezoelectric properties of these crystals were measured.

AB - A3NbGa3Si2O14 (A=Sr, Ca) compounds were grown using the Czochralski method after preparing by solid-state reaction. X-ray structure analysis of grown Sr3NbGa3Si2O14 (SNGS) and Ca3NbGa3Si2O14 (CNGS) single crystals showed that they were isostructural to that of Ca3Ga2Ge4O14, which had space group P321. The lattice constants of SNGS and CNGS were calculated to be a=8.282, 8.087 and c=5.073, 4.980 Å, respectively. The final R and Rw values for the refinement were 0.0353 and 0.0354, respectively. Piezoelectric properties of these crystals were measured.

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KW - Crystal structure and symmetry

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