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《Journal of Hefei University of Technology(Natural Science)》 2006-06
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Progress in studies on the optically active defect center in silica

XU Guang-qing, ZHENG Zhi-xiang, TANG Wen-ming, LIU Jun-wu, L Jun, WANG Jian-min (School of Material Science and Engineering, Hefei University of Technology, Hefei 230009, China)  
The recent progress in researches on the optical properties of silica widely used in optical communication, semiconductor photoelectron apparatus and lighting field is reviewed. The optically active defect centers of such types as E’, two kinds of oxygen-deficiency and some kinds of oxygen-richness in silica play an important role in optical communication fiber and UV absorption. The researches on some oxygen-deficient defects and the metal ions doped or implanted semiconductor nanoparticles with fine luminescence properties have made it possible for silica to be used in the lighting field. The negative ions modified anion coordination field may remarkably affect and improve the optical properties of the optically active defects in silica.
【CateGory Index】: TN304
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【Co-references】
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