The effect of crucible bottom deformation on the quality of Nd:GGG crystals grown by Czochralski method
β Scribed by H. Saeedi; M. Asadian; Sh. Enayati; N. Mirzaei; I. Mashayekhi Asl; J. Sabbaghzadeh
- Publisher
- John Wiley and Sons
- Year
- 2011
- Tongue
- English
- Weight
- 259 KB
- Volume
- 46
- Category
- Article
- ISSN
- 0232-1300
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## Abstract A dislocation density dependence on crystal transverse dimensions has been investigated for crystals of Sb grown in split graphite moulds at rates of 1.5; 8.5 and 15 cm/h. The dependence is shown to be the same for all growth rates which agrees with an earlier suggested theoretical equa
Thermal conditions and rotation rate were examined experimentally for obtaining a flat interface growth of high melting-point oxide (Tb 3 Sc x Al 5-x O 12 -TSAG) by the Czochralski method. The critical crystal rotation rate can be significantly reduced, of about twice at low and very low temperature