Epitaxial Growth, Morphology, and Temperature Stability of Quartz-Like Germanium Dioxide Crystals
- Authors: Balitsky V.S.1, Balitsky D.V.1, Pushcharovsky D.Y.2, Balitskaya L.V.1, Setkova T.V.1, Dokina T.N.1
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Affiliations:
- Institute of Experimental Mineralogy, Russian Academy of Sciences
- Moscow State University
- Issue: Vol 485, No 1 (2019)
- Pages: 264-267
- Section: Geochemistry
- URL: https://ogarev-online.ru/1028-334X/article/view/194675
- DOI: https://doi.org/10.1134/S1028334X19030036
- ID: 194675
Cite item
Abstract
The conditions and mechanisms of epitaxial growth of quartz-like α-GeO2 crystals on quartz substrates using an evaporative-recirculation method are considered. Relatively homogenous α-GeO2 crystals weighing up to 200 g are grown at a growth rate of up to 0.3 mm/day. It is established that molecular adhesion (cohesion) at the boundary between the quartz substrate and the overgrown layer of α-GeO2 cannot prevent its transition to a stable poorly soluble rutile-like phase. This makes it impossible to grow high-germanium quartz single crystals industrially using a mixture of quartz and quartz-like α-GeO2 as a batch. However, this process can be implemented if other more soluble germanium-containing compounds, such as quartz-like Si-containing germanium-oxide, are found.
About the authors
V. S. Balitsky
Institute of Experimental Mineralogy, Russian Academyof Sciences
Author for correspondence.
Email: balvlad@iem.ac.ru
Russian Federation, Chernogolovka, Moscow Region, 142432
D. V. Balitsky
Institute of Experimental Mineralogy, Russian Academyof Sciences
Email: lvbaltitskaya@mail.ru
Russian Federation, Chernogolovka, Moscow Region, 142432
D. Yu. Pushcharovsky
Moscow State University
Email: lvbaltitskaya@mail.ru
Russian Federation, Moscow, 119991
L. V. Balitskaya
Institute of Experimental Mineralogy, Russian Academyof Sciences
Author for correspondence.
Email: lvbaltitskaya@mail.ru
Russian Federation, Chernogolovka, Moscow Region, 142432
T. V. Setkova
Institute of Experimental Mineralogy, Russian Academyof Sciences
Email: lvbaltitskaya@mail.ru
Russian Federation, Chernogolovka, Moscow Region, 142432
T. N. Dokina
Institute of Experimental Mineralogy, Russian Academyof Sciences
Email: lvbaltitskaya@mail.ru
Russian Federation, Chernogolovka, Moscow Region, 142432
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