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Defects in Fast-Neutron Irradiated Nitrogen-Doped Czochralski Silicon after Annealing at High Temperature Chen Guifeng1,Liu Lili1,Li Yangxian1,Yang Shuai1,Sun Yong1,Ma Qiaoyun1 (1.School of Material Science and Engineering, Hebei University of Technology, Tianjin 300130, China) Abstract:Fast-neutron irradiated nitrogen-doped Czochralski silicon (NCZ-Si) was annealed at 1100 ℃ for different......
Effects of precoating and calcination on microstructure of 3D silica fiber reinforced silicon nitride based composites QI Gong-jin(齐共金), ZHANG Chang-rui(张长瑞), HU Hai-feng(胡海峰) State Key...: Three-dimensional silica fiber reinforced silicon nitride based composites were fabricated by preceramic polymer infiltration and pyrolysis method using perhydropolysilazane as a precursor......
ISOTROPIC TEXTURING OF POLYCRYSTALLINE SILICON WAFERS H.Shen1,Y.F.Hu3,L.Wang1 (1.Guangzhou Institute of Energy Conversion, The Chinese Academy of Sciences, Guangzhou 510640, China;2.The School... technique of texturing silicon solar cells has been applied to polycrystalline silicon wafers with different acid concentrations. Optimal etching conditions have been determined by etching rate......
Effects of thermal transport properties on temperature distribution within silicon waferWANG Ai-hua(王爱华)1, NIU Yi-hong(牛义红)1, CHEN Tie-jun(陈铁军)1, P. F. HSU2(1. School of Materials and Metallurgy... improve the current understanding of the energy transport in the rapid thermal processing and the wafer temperature monitor and control level.Key words:silicon wafer; thermal transport properties......
Microstructure and properties of high silicon aluminum alloy with 2% Fe prepared by rheo-casting ZHONG Gu(钟 鼓), WU Shu-sen(吴树森), AN Ping(安 萍), MAO You-wu(毛有武), LI Shi-zhao(李世钊) State Key.... The semi-solid slurry of high silicon aluminum alloy was prepared by direct ultrasonic vibration (DUV) which was imposed on the alloy near the liquidus temperature for about 2 min. Then, standard test......
Fluorescence Properties of Eu3+/Gd3+/Citric Acid Mixed Complexes Doping in Silicon Rubber Matrix Feng Yuxing1,Liu Li1,Zhang Wan1,Zhang Liqun1,Jin Riguang3,Wen Shipeng1 (1.Key Laboratory of Beijing... have the best fluorescence property when the ratio of Eu and Gd is from 0.7 to 0.3. Silicon rubber-based composites were prepared by mechanical blending the EuxGd(1-x)(CA)3·nH2O and silicon rubber......
Vacuum distillation refining of metallurgical grade silicon (Ⅰ)--Thermodynamics on removal of phosphorus from metallurgical grade silicon WEI Kui-xian(魏奎先)1, 2, MA Wen-hui(马文会)1, 2, DAI Yong-nian... September 2007 Abstract: The removal of impurity phosphorus from metallurgical grade silicon is one of the major problems on purification of metallurgical grade silicon for solar grade silicon preparation......
Fabrication and test of reaction bond silicon carbide for optical applications YAO Wang(姚 旺), ZHANG Yu-min(张宇民), HAN Jie-cai(韩杰才), ZUO Hong-bo(左洪波) Center for Composite Materials, Harbin... that this reaction bonding process is a feasible method to produced high quality RBSiC optical mirror. Key words: RBSiC; silicon carbide; fabrication; optical applications; polishability; property......
Silicon assistant carbothermal reduction for SiC powdersKezhi Li, Jian Wei, Hejun Li, Chuang Wang, and Gengsheng Jiao National Key Laboratory of Thermostructure Composite Materials, Northwestern Polytechnical University, Xi’an 710072, China摘 要:The silicon assistant method to increase the reaction yield of carbothermal reduction of silica at a lower......
Microstructure and properties of electronic packaging shell with high silicon carbide aluminum-base composites by semi-solid thixoformingGUO Ming-hai(郭明海), LIU Jun-you(刘俊友), JIA Cheng-chang(贾成厂), JIA... silicon carbide aluminum-base composites was prepared by semi-solid thixoforming technique. The flow characteristic of the SiC particulate was analyzed. The microstructures of different parts of the shell......