Czochralski growth and characterization of single-crystal akermanite (Ca2MgSi2O7)
β Scribed by C.B. Finch; G.W. Clark; L.A. Harris; C.S. Yust
- Publisher
- Elsevier Science
- Year
- 1974
- Tongue
- English
- Weight
- 489 KB
- Volume
- 23
- Category
- Article
- ISSN
- 0022-0248
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π SIMILAR VOLUMES
## Abstract Transparent semiconducting Ξ²βGa~2~O~3~ single crystals were grown by the Czochralski method from an iridium crucible under a dynamic protective atmosphere to control partial pressures of volatile species of Ga~2~O~3~. Thermodynamic calculations on different atmospheres containing CO~2~,
Pure and Co-doped Li 2 B 4 O 7 (LBO) single crystals were grown by the Czochralski method. Starting concentrations of Co 2 O 3 in the melt were: 0.5, 0.85 and 1 mol% relative to Li 2 CO 3 . Technological factors affecting the quality of both crystals were discussed. Optical absorption and EPR spectr