Synthesis and Size Optimization of Crystals Grown by the Mixed Gel-Solution Technique

✍ Scribed by Dr. A. Santos

• Publisher: John Wiley and Sons
• Year: 1992
• Tongue: English
• Weight: 367 KB
• Volume: 27
• Category: Article
• ISSN: 0232-1300
• DOI: 10.1002/crat.2170270206

✦ Synopsis

Two experimental devices have been used with the aim to optimize the synthesis of single crystals by means of the mixed gel-solution technique. These consist of a gel source-reservoir saturated at To and a vessel of aqueous solution saturated at T,. To > T,. In such devices, the evolution of the supersaturation in the vessel of aqueous solutions allows that the growth process to be controlled by such a source-reservoir and the crystal itself. Average growth rates of 3 and 4 mm/day have been found for KDP crystals. Dos dispositivos han sido usados para la obtencion de monocristales mediante la ttcnica mixta de gel-solucion. Estos constan de una fuente-deposit0 de gel saturado a To y un recipiente de solucion acuosa saturado a Tf. To > T,. La evolucibn de la sobresaturacion en el recipiente de solucion acuosa ha permitido que el proceso de crecimiento sea controlado por la fuente-deposit0 de gel y el propio cristal. Se han medido velocidades medias de crecimiento para cristales de KDP de 3 y 4 mm/dia.