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Study on Formation Mechanism of Defects in Monoclinic KLu(WO<sub>4</sub>)<sub>2</sub> Crystals
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Materials Sciences and Applications·Volume 02 (2011)·Pages 634–637·Published 24 June 2011·DOI10.4236/msa.2011.26086
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Abstract
The laser host crystals of KLu(WO<sub>4</sub>)<sub>2</sub>(KLuW) with large sizes up to 43 × 35 × 16 mm<sup>3</sup> have been grown along, [110], b, and c crystallographic directions, respectively, by the top-seeded solution growth (TSSG) slow-cooling method. The macro defects are observed using optical microscopy. The main defects found were cracks, inclusions, growth striations, sector boundaries and twin boundaries. The formation mechanism and approaches to reduce or eliminate the defects have been analyzed.
KeywordsGrowth DefectsKLu(WO4)2 CrystalsTop-Seeded Solution Growth
- Y. Kalisky, L. Kravchik and C. Lbbe, “Repetitive modulation and passively Q-switching of diode-pumped Nd–KGW laser,” Opt. Commun, Vol. 189, 2001, pp. 113- 119.
- N. S. Ustimenko and A.V. Gulin, “New self-frequency converted Nd:KGd(WO4)2 Raman lasers”, Quantum Electron, Vol. 32, 2002, pp. 229-235.
- A.A. Demidovich, Kuzmin, A.V. Ryabtsev, G. I. Danailov, M. B. Strek and A. N. Titov, “Influence of Yb concentration on Yb:KYW laser properties,” J. Alloys Compounds. Vol. 301, 2000, 238-241.
- M.C. Pujol, X. Mateos, R. Sole, J. Masson, J. Gavalda, X. Solans, F. Diaz and M. Augilo, “Structure, crystal growth and physical anisotropy of KYb(WO4)2, a new laser matrix”, J. Appl. Crsytallogr, Vol. 35, 2002, pp. 108-114.
- X. Mateos, V. Petrov, M. Aguilo, “Continuous-wave laser oscillation of Yb3+ in monoclinic KLu(WO4)2”, IEEE Journal of Quantum Electronics, Vol. 40, 2004, pp. 1056-1059
- U. Griebner, J.H. Liu, S. Rivier, A. Aznar, R. Grunwald, R. Maria, M. Aguilo, F. Diaz, and V. Petrov. “Laser operation of epitaxially grown Yb : KLu(WO4)2 KLu(WO4)2 composites with monoclinic crystalline structure”, IEEE Journal of Quantum Electronics, Vol. 41, 2005, pp. 408- 414
- K.P. Wang, J.X. Zhang and J.Y. Wang, “Predicted and Real Habits of Flux Grown Potassium Lutetium Tungstate Single Crystals”, Crys. Growth & Des, Vol. 5(4), 2005, pp. 1555-1558
- L.I. Yudanova, O.G. Potapova and A.A. Pavlyuk, ” Phase diagram of the system KLu(WO)-KNd (WO) and growth of KLu(WO) single crystals” Inorg. Mater, Vol. 23, 1987. pp. 1657-1660, Transl. From Izv. Akad. Nauk SSSR, Neorganicheskie Materialy, Vol. 23, 1987. pp. 1884- 1887.
- J.X. Zhang, K.P. Wang, J.Y. Wang, H.J. Zhang, W.T. Yu, X.P. Wang, Z.P. Wang, Q.M. Lu and M.F. Ba, “Anisotropic thermal properties of monoclinic Yb:KLu(WO) crystals”, Appl Phys Lett, Vol. 87, 2005, pp. 061104-6.