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《Journal of Sichuan University (Engineering Science Edition)》 2005-04
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Synthesis of AgGaS_2 Polycrystalline Material by Vapor Transporting Method with Two-zone Temperature Oscillation

ZHANG Jian-jun, ZHU Shi-fu, ZHAO Bei-jun, WANG Rui-lin,LI Yi-chun, CHEN Bao-jun, LI Ming, LIU Juan(Dept. of Materials, Sichuan Univ., Chengdu 610065, China)  
Abstrcat According to Ag_2S-Ga_2S_3 pseudobinary phase diagram, AgGaS_2 polycrystalline materials with the congruent melt composition were synthesized by a new method, i.e. vapor transporting method with two-zone temperature oscillation, and generic vapor transporting method respectively. XRD results showed that the purity and uniformity of AgGaS_2 polycrystalline materials synthesized by the new method was superior to that synthesized by generic method. The integral and crack-free AgGaS_2 single crystal was obtained by modified Bridgman method with polycrystalline materials synthesized by the new method. And the infrared transmittance of it was 67%and, comparatively, that of single crystal grown with polycrystalline materials synthesized by generic method was only 36%. The results indicated that the vapor transporting method with two-zone temperature oscillation was preferable for synthesizing high-quality AgGaS_2 polycrystalline materials.
【CateGory Index】: O782
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