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Optical ceramics based on cubic refractory oxides via vacuum sintering |
Tatyana G. Deineka , Myron B. Kosmyna , Boris Nazarenko , Viacheslav M. Puzikov , Zoya P. Sergienko , Alexey N. Shekhovtsov , Alexander V. Tolmachev , Elena A. Vovk , Oleg M. Vovk , Roman P. Yavetskiy 1 |
1. Institute for Single Crystals NAS of Ukraine (ISC), 60 Lenin Ave., Kharkov 61001, Ukraine |
Abstract |
Nowadays optical ceramics based on cubic materials is considered as a new class of laser or scintillation hosts. It possess excellent optical properties, improved functional characteristics and better mechanical properties compared to single crystals with the same compositions. Utilization of nanopowders as starting materials allows one to obtain ceramics with full density at relatively low temperatures. Many techniques have been adapted to consolidate highly sinterable nanopowders in a bulk medium, including hot pressing, solid state reaction method, and high-pressure low temperature sintering. We report some recent results on consolidation of Lu2O3 and Y3Al5O12 nanopowders to form transparent ceramics by vacuum sintering. |
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Presentation: Poster at E-MRS Fall Meeting 2008, Symposium I, by Roman P. YavetskiySee On-line Journal of E-MRS Fall Meeting 2008 Submitted: 2008-05-16 14:01 Revised: 2009-06-07 00:48 |