Controlled crystallization of GeS2–Sb2S3–CsCl glass for fabricating infrared transmitting glass-ceramics
2005
Abstract The crystallization of selected glasses from the GeS 2 –Sb 2 S 3 –CsCl ternary system has been studied under non-isothermal condition. The nucleation and crystal growth mechanisms have been investigated and proved to be dependant on the glass composition. It has been found that the 80GeS 2 –10Sb 2 S 3 –10CsCl is a good candidate for controlled crystallization. The best nucleation temperature and time have been determined. Crystals of about 20–30 nm have been uniformly generated in the glass and the obtained glass-ceramics have the same transmission in the mid and far infrared transmission.
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