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《Journal of Synthetic Crystals》 2007-06
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Study on the Crystal Growth and Properties of Cd_(0.80)Zn_(0.20)Te

FANG Jun,ZHAO Bei-jun,ZHU Shi-fu,HE Zhi-yu,GAO De-you,ZHANG Dong-min, CHENG Xi,WANG Zhi-xian(Department of Materials Science,Sichuan University,Chengdu 610064,China)  
Cd0.80Zn0.20Te ingots were grown in quartz ampoule with and without carbon coating,respectively,by modified Bridgman method using high purity Cd0.8Zn0.2Te polycrystals as initial material synthesized by our laboratory.The X-ray diffraction spectra showed that the integrality of the crystals was good.The infrared spectrum was obtained by Prestige-21 Fourier Transform Infrared Spectrometer.The result of infrared spectrum showed that the transmittance of the crystals grown in ampoule with carbon coating was better than those grown without carbon coating.The I-V curve showed that the former resistivity was higher.The photos of the etch pits showed that the EPD of the crystal without coating carbon was 105cm-2,and the EPD of the crystal with coating carbon was 103-104cm-2.
【Fund】: 国家自然科学基金(No.60276030);; 教育部博士点基金(No.20020610023)
【CateGory Index】: TN304
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