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《Journal of Synthetic Crystals》 2009-01
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Orthogonal Optimum Design of Carbon Coating on Quartz Ampoules for Crystal Growth

SHEN Tao,LIU Jun-cheng,ZHAI Shen-qiu,ZHANG Guo-dong(School of Materials Science and Engineering,Shandong University of Technology,Zibo 255049,China)  
In the process of the high purity quartz crucible wall carbon coating for CdZnTe crystal growth,the factors affecting the carbon film quality,the coating temperature,the coating time,the gas flux,and the cooling time,were studied and optimized using orthogonal design method.The carbon film surfaces were observed by metalloscope and scanning electron microscope(SEM).The binding force between the carbon film and the quartz tube were measured with the WS-2005 automatic scratch instrument.The experimental results show that the coating temperature is the most significant factor affecting the carbon film qulity,followed by the coating time,the cooling time.While the gas flux rate affects the carbon film quality only a little.The optimized technological parameters are,the coating temperature of 1010 ℃,coating time of 4 h,the cooling time of 18 h,and the gas flux 6 L/h.With the optimized parameters,the thickness of the carbon film was uniform,and its binding force with quartz was strong.
【Fund】: 国家自然科学基金(No.50372036);; 教育部“新世纪优秀人才支持计划”(No.NCET-04-0648)资助
【CateGory Index】: O782
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Chinese Journal Full-text Database 1 Hits
1 ZHANG Guodong LIU Juncheng LI Jiao School of Materials Science and Engineering,Shandong University of Technology,Zibo 255091;INFLUENCE OF THE GRAPHITE FILM PLATING ON THE INNER WALL OF QUARTZ CRUCIBLE ON THE THERMAL STRESS IN CdZnTe CRYSTAL PREPARED BY BRIDGMAN METHOD[J];Acta Metallurgica Sinica;2007-10
【Secondary Citations】
Chinese Journal Full-text Database 1 Hits
1 LIU Juncheng School of Materials Science and Engineering, Shandong University of Technology, Zibo 255091;SIMULATION OF EFFECT OF CRUCIBLE ROTATION PARAMETER ON SINGLE CRYSTAL SOLUTE SEGREGATION[J];Acta Metallrugica Sinica;2004-09
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