Thermal Expansion of Mg3B2O6 Borate
- Авторы: Firsova V.1, Shablinskii A.1, Ershov D.1, Bubnova R.1
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Учреждения:
- Grebenshchikov Institute of Silicate Chemistry, Russian Academy of Sciences
- Выпуск: Том 45, № 4 (2019)
- Страницы: 302-304
- Раздел: Short Communications
- URL: https://journals.rcsi.science/1087-6596/article/view/217241
- DOI: https://doi.org/10.1134/S1087659619040047
- ID: 217241
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Аннотация
The thermal expansion of magnesium borate (Mg3B2O6) is studied by the method of X-ray thermodiffraction in the temperature range 25–1100°C. The coefficients of thermal expansion are calculated as follows: αa = 13.0(5), αb = 8.5(5), αc = 8.0(5), αV = 30(1) × 10–6°С−1 at 25°C; and αa = 20.0(5), αb = 13.0(5), αc = 13.0(5), αV = 46(1) × 10–6°С−1 at 1100°С. The direction of the maximal thermal expansion (αa) is perpendicular to the preferred orientation of the BO3 triangles.
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Об авторах
V. Firsova
Grebenshchikov Institute of Silicate Chemistry, Russian Academy of Sciences
Email: rimma_bubnova@mail.ru
Россия, St. Petersburg, 199034
A. Shablinskii
Grebenshchikov Institute of Silicate Chemistry, Russian Academy of Sciences
Email: rimma_bubnova@mail.ru
Россия, St. Petersburg, 199034
D. Ershov
Grebenshchikov Institute of Silicate Chemistry, Russian Academy of Sciences
Email: rimma_bubnova@mail.ru
Россия, St. Petersburg, 199034
R. Bubnova
Grebenshchikov Institute of Silicate Chemistry, Russian Academy of Sciences
Автор, ответственный за переписку.
Email: rimma_bubnova@mail.ru
Россия, St. Petersburg, 199034