The edges and terrace effect of Ag particles on optical resonance absorption property

Alternative Ag and Si02 multilayers are prepared by using radio frequency magnetron sputtering. The Ag particles are found to diffuse toward and mostly accumulate near the surface of the Ag-SiO2 composite film via a rapid thermal treatment. Different shapes of the Ag particles are obtained by changi...

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Published inChinese physics B Vol. 20; no. 9; pp. 372 - 376
Main Author 赵亚丽 桂亚强 张振林 马富花 许晓丽 许小亮
Format Journal Article
LanguageEnglish
Published IOP Publishing 01.09.2011
Subjects
Fermi surfaces
Multilayers
Particulate composites
Resonance absorption
Silicon dioxide
Silver
Surface chemistry
Terraces
光学
共振吸收
吸收特性
射频磁控溅射
快速热处理
特殊形状
银颗粒
露台
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ISSN1674-1056
2058-3834
DOI10.1088/1674-1056/20/9/097301

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Summary:Alternative Ag and Si02 multilayers are prepared by using radio frequency magnetron sputtering. The Ag particles are found to diffuse toward and mostly accumulate near the surface of the Ag-SiO2 composite film via a rapid thermal treatment. Different shapes of the Ag particles are obtained by changing the thickness of each Ag and SiO2 layer. The response absorption property of the Ag composite film is also investigated. We relate the resonance absorption to the surface level and the Fermi level. To induce the obvious resonance absorption in an Ag composite film, it is necessary to maintain special shapes with sharp edges and wide terraces and to maintain the particle sizes ranging from 0 nm to
Bibliography:resonance absorption, edges and terrace, surface state, Fermi level
Alternative Ag and Si02 multilayers are prepared by using radio frequency magnetron sputtering. The Ag particles are found to diffuse toward and mostly accumulate near the surface of the Ag-SiO2 composite film via a rapid thermal treatment. Different shapes of the Ag particles are obtained by changing the thickness of each Ag and SiO2 layer. The response absorption property of the Ag composite film is also investigated. We relate the resonance absorption to the surface level and the Fermi level. To induce the obvious resonance absorption in an Ag composite film, it is necessary to maintain special shapes with sharp edges and wide terraces and to maintain the particle sizes ranging from 0 nm to
Zhao Ya-Li Gui Ya-Qiang Zhang Zhen-Lin Ma Fu-Hua Xu Xiao-Li and Xu Xiao-Liang a） The 33ra Institute of Branch, China Electronics and Technology Corporation, Taiyuan 030006, China b） structure Research Laboratory, University of Science and Technology of China, Hefei 230026, China
11-5639/O4
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ISSN:1674-1056
2058-3834
DOI:10.1088/1674-1056/20/9/097301