Structure of cesium–borosilicate glasses according to NMR spectroscopy
- Авторы: Osipov A.1, Eremyashev V.1,2, Mazur A.3, Tolstoi P.3, Osipova L.1
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Учреждения:
- Institute of Mineralogy
- South Urals State University
- Center for Magnetic Resonance, Research Park
- Выпуск: Том 43, № 4 (2017)
- Страницы: 287-293
- Раздел: Article
- URL: https://journals.rcsi.science/1087-6596/article/view/216032
- DOI: https://doi.org/10.1134/S1087659617040113
- ID: 216032
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Аннотация
The local structure of cesium-borosilicate glasses with various Cs2O and B2O3 proportions and constant SiO2 content (50 mol %) is studied with 11B, 29Si, and 133Cs MAS NMR spectroscopy. The portions of three- and four-fold Si atoms are determined, as well as the concentrations of various silicate Qn units. Our experimental data are compared with the predictions of Dell’s model and thermodynamic modeling for sodium–borosilicate analogs of the glasses studied.
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Об авторах
A. Osipov
Institute of Mineralogy
Автор, ответственный за переписку.
Email: 100123@mineralogy.ru
Россия, Miass, Chelyabinsk oblast, 456317
V. Eremyashev
Institute of Mineralogy; South Urals State University
Email: 100123@mineralogy.ru
Россия, Miass, Chelyabinsk oblast, 456317; Chelyabinsk, 454080
A. Mazur
Center for Magnetic Resonance, Research Park
Email: 100123@mineralogy.ru
Россия, St. Petersburg, 198504
P. Tolstoi
Center for Magnetic Resonance, Research Park
Email: 100123@mineralogy.ru
Россия, St. Petersburg, 198504
L. Osipova
Institute of Mineralogy
Email: 100123@mineralogy.ru
Россия, Miass, Chelyabinsk oblast, 456317