Production of Y{sub 3}Al{sub 5}O{sub 12} and Y{sub 2}O{sub 3} nanopowders for optical ceramics
Journal Article
·
· Crystallography Reports
The physical and technical conditions for reproducible production of nanodispersed yttrium aluminum garnet (Y{sub 3}Al{sub 5}O{sub 12}, YAG) and yttrium oxide (Y{sub 2}O{sub 3}) powders by chemical coprecipitation have been investigated. It is established that the obtained YAG nanopowders have enhanced reactivity, which significantly decreases the temperature range of interaction in the Y{sub 2}O{sub 3}-Al{sub 2}O{sub 3} system in comparison with ceramic synthesis. It is shown that vacuum heat treatment may lead to reversible transformation of the YAG crystal structure from cubic to tetragonal.
- OSTI ID:
- 22050911
- Journal Information:
- Crystallography Reports, Vol. 53, Issue 7; Other Information: Copyright (c) 2008 Pleiades Publishing, Ltd.; Country of input: International Atomic Energy Agency (IAEA); ISSN 1063-7745
- Country of Publication:
- United States
- Language:
- English
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