Transparent Polycrystalline ZnS and ZnSe Growth by CVT Method
来源期刊：JOURNAL OF RARE EARTHS2006年增刊第1期
论文作者：Qian Xun Tian Hongchang Zhang Xu Wang Xiangyang
Key words：ZnS; ZnSe; CVT;
Abstract: ZnS and ZnSe are important infrared windows materials, which are grown by CVD method traditionally. Comparing with CVD method, the device of CVT (chemical vapor transport) method is much simpler. Transparent polycrystalline ZnS and ZnSe were grown by CVT method successfully. The grown ZnS and ZnSe shows that their transparencies exceed 40% in infrared region. After HIP treatment, the transmittance of as-grown CVT ZnS is improved greatly, which is better than 60%. The defects which effect transparency were studied.
Qian Xun1，Tian Hongchang1，Zhang Xu1，Wang Xiangyang1
(1.Research Institute of Synthetic Crystals, Beijing 100018, China;
2.China University of Geosciences Beijing, School of Earth Sciences and Resources, Beijing 100083, China)
Abstract:ZnS and ZnSe are important infrared windows materials, which are grown by CVD method traditionally. Comparing with CVD method, the device of CVT (chemical vapor transport) method is much simpler. Transparent polycrystalline ZnS and ZnSe were grown by CVT method successfully. The grown ZnS and ZnSe shows that their transparencies exceed 40% in infrared region. After HIP treatment, the transmittance of as-grown CVT ZnS is improved greatly, which is better than 60%. The defects which effect transparency were studied.
Key words:ZnS; ZnSe; CVT;
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