Crystal structures and thermal expansion of Sr1–xBaxBi2B2O7 solid solutions
- 作者: Bubnova R.S.1,2, Shablinskii A.P.1,2, Volkov S.N.1, Filatov S.K.2, Krzhizhanovskaya M.G.2, Ugolkov V.L.1
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隶属关系:
- Grebenshchikov Institute of Silicate Chemistry
- St. Petersburg State University
- 期: 卷 42, 编号 4 (2016)
- 页面: 337-348
- 栏目: Article
- URL: https://journals.rcsi.science/1087-6596/article/view/215612
- DOI: https://doi.org/10.1134/S1087659616040040
- ID: 215612
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详细
A series of Sr1–xBaxBi2B2O7 solid solutions (x = 0–1) have been synthesized by crystallization from glass ceramics. The crystal structures of solid solutions at x = 0.65 and x = 1 were solved by direct methods of X-ray diffraction from single crystal data and refined in a reduced cell (\({a_{Ba}}{\kern 1pt} = {a_{Sr}}/\sqrt 3 \)) relative to SrBi2B2O7 in the same space group P63. Using the Rietveld method, the phase transition range at x = 0.65–0.70 with a reduction of the unit cell has been revealed. As was shown by method of high-temperature powder X-ray diffraction, the solid solutions demonstrated an anisotropic thermal expansion (TE) upon heating in air.
作者简介
R. Bubnova
Grebenshchikov Institute of Silicate Chemistry; St. Petersburg State University
Email: shablinskii.andrey@mail.ru
俄罗斯联邦, nab. Makarova 2, St. Petersburg, 199034; Universtitetskaya nab. 7/9, St. Petersburg, 199034
A. Shablinskii
Grebenshchikov Institute of Silicate Chemistry; St. Petersburg State University
编辑信件的主要联系方式.
Email: shablinskii.andrey@mail.ru
俄罗斯联邦, nab. Makarova 2, St. Petersburg, 199034; Universtitetskaya nab. 7/9, St. Petersburg, 199034
S. Volkov
Grebenshchikov Institute of Silicate Chemistry
Email: shablinskii.andrey@mail.ru
俄罗斯联邦, nab. Makarova 2, St. Petersburg, 199034
S. Filatov
St. Petersburg State University
Email: shablinskii.andrey@mail.ru
俄罗斯联邦, Universtitetskaya nab. 7/9, St. Petersburg, 199034
M. Krzhizhanovskaya
St. Petersburg State University
Email: shablinskii.andrey@mail.ru
俄罗斯联邦, Universtitetskaya nab. 7/9, St. Petersburg, 199034
V. Ugolkov
Grebenshchikov Institute of Silicate Chemistry
Email: shablinskii.andrey@mail.ru
俄罗斯联邦, nab. Makarova 2, St. Petersburg, 199034
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