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Dynamic study and applications of metamaterial systems
  • ISSN号：2095-0462
  • 期刊名称：Frontiers of Physics
  • 时间：2011.3
  • 页码：74-95
  • 分类：O43[机械工程—光学工程;理学—光学;理学—物理]
  • 作者机构：复旦大学光科学与工程系,上海超精密光学制造工程技术研究中心,上海200433
  • 相关基金：Supported by National Natural Science Foundation of China（61275160,11374055,11174058,60938004）; Projects of Science and Technology Commission of Shanghai Municipality（12XD1420600）
  • 相关项目：基于变换光学的光子自旋调控及其特异电磁材料的实现
作者： Liu, Zheng|Liang, Zi-xian|Yao, Pei-jun|Lin, Xu-lin|
关键词： 银铟合金薄膜, 光学性质, 椭圆偏振光谱仪, 磁控溅射, Ag-In alloy films, optical properties, spectroscopic ellipsometry, magnetron sputtering
中文摘要：

采用磁控溅射方法在硅衬底上生长了五个不同组分的银铟合金薄膜.采用椭圆偏振光谱仪研究银铟合金薄膜的光学性质.银基金属薄膜一般在3.9 e V附近出现典型的带间跃迁.随着铟含量的增加,银铟合金薄膜的介电函数呈现出明显增加的趋势,典型带间跃迁能量也出现蓝移.结果表明,银铟合金薄膜的光学性质可以通过其中铟元素的含量进行调控.Ag0.93In0.07薄膜比其他四种组分的银铟合金薄膜有着更大的品质因子（Q因子）,而且在一些波段甚至比纯金属金和铜的Q因子都要大,这表明银铟合金材料具有成为新型等离子体材料的潜力.

英文摘要：

Five samples of Ag-In alloy films with different compositions were deposited on Si substrates by magnetron sputtering. The optical properties of these films were studied by spectroscopic ellipsometry. The dielectric functions of the alloy films significantly increase as the In concentration in the Ag-In alloy films is increased. For Ag-based alloys,a typical interband transition occurs near 3. 9 e V. In the tested alloy films,however,this transition energy exhibits a blue shift with increasing In concentration. The optical properties of the alloy films were found to be tunable by varying their In concentrations. The values of the Quality（ Q） factors of the Ag0. 93In0. 07 film are higher than those of other alloy films. At a certain wavelength range,the alloys＇ Q factors even exceed those of pure Au and Cu. Our results showthat Ag-In alloys have significant potential for application in metamaterials and plasmonic devices.

同期刊论文项目
超隐形体系的动态研究
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光在金属/介质界面传播特性及其在信息和能源器件领域的应用研究
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基于变换光学的光子自旋调控及其特异电磁材料的实现
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期刊信息
  • 《物理学前沿：英文版》
  • 主管单位:中华人民共和国教育部
  • 主办单位:高等教育出版社
  • 主编：赵光达
  • 地址：北京市朝阳区惠新东街4号富盛大厦15层
  • 邮编：100029
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  • 国际标准刊号：ISSN：2095-0462
  • 国内统一刊号：ISSN：11-5994/O4
  • 邮发代号:80-965
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  • 国内外数据库收录:
  • 荷兰文摘与引文数据库,美国科学引文索引（扩展库）,英国科学文摘数据库
  • 被引量:3