| K0.5Na0.5(TaxNb1-x)O3纳米粉体的合成及其光吸收特性研究 |
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| 引用本文： | 刘莎莉,胡永明,王钊,钱哲理,雷莹,顾豪爽. K0.5Na0.5(TaxNb1-x)O3纳米粉体的合成及其光吸收特性研究[J]. 湖北大学学报(自然科学版), 2011, 33(3): 393-396 |
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| 作者姓名： | 刘莎莉 胡永明 王钊 钱哲理 雷莹 顾豪爽 |
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| 作者单位： | 湖北大学物理学与电子技术学院,铁电压电材料与器件湖北省重点实验室,湖北武汉430062 |
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| 基金项目： | 国家自然科学基金(50872031,90923013,50902046); 湖北省教育厅重点项目(D20091002)资助 |
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| 摘 要： | 采用水热法在一定条件下合成K0.5Na0.5(TaxNb1-x)O3 (x=0.09,0.23,0.49,0.69,0.89)纳米粉体,利用XRD、SEM和UV-vis吸收光谱等手段分别对产物的物相、形貌和光吸收等特性进行表征.结果表明,随着Ta含量的增加,产物由正交相结构转变为四方相结构,再由四方相结构转变为立方相结...
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| 关 键 词： | K0.5Na0.5(TaxNb1-x)O3 纳米粉体 水热法 光吸收 |
Optical absorption properties of K_(0.5)Na_(0.5)(Ta_xNb_(1-x))O_3 nanopowders synthesized by hydrothermal process |
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| LIU Shali,HU Yongming,WANG Zhao,QIAN Zheli,LEI Ying,GU Haoshuang. Optical absorption properties of K_(0.5)Na_(0.5)(Ta_xNb_(1-x))O_3 nanopowders synthesized by hydrothermal process[J]. Journal of Hubei University(Natural Science Edition), 2011, 33(3): 393-396 |
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| Authors: | LIU Shali HU Yongming WANG Zhao QIAN Zheli LEI Ying GU Haoshuang |
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| Affiliation: | LIU Shali,HU Yongming,WANG Zhao,QIAN Zheli,LEI Ying,GU Haoshuang (School of Physics and Electronic Technology,Key Laboratory of Ferroand Piezoelectric Materials and Devices of Hubei Province,Hubei University,Wuhan 430062,China) |
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| Abstract: | K0.5Na0.5(TaxNb1-x)O3(x=0.09,0.23,0.49,0.69,0.89) nanopowders were synthesized by hydrothermal process under certain conditions.The phase,morphology and optical absorption properties were characterized by XRD,SEM and UV-vis absorption spectrum.The results showed that as the content of Ta increased,the as-prepared K0.5Na0.5(TaxNb1-x)O3 nanopowders changed from orthorhombic phase to tetragonal phase,and from tetragonal phase to cubic phase of perovskite structure,together with the morphology changes from cubo... |
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| Keywords: | K0.5Na0.5(TaxNb1-x)O3 nanopowders hydrothermal process optical absorption |
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