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题名:
Numerical Study of Optical Properties of Ag/SiO2/Ag Sandwich Nanobowties
作者: Yang, Lanying; Du, Chunlei; Luo, Xiangang
刊名: JOURNAL OF COMPUTATIONAL AND THEORETICAL NANOSCIENCE
出版日期: 2009
卷号: 6, 期号:1, 页码:106-111
关键词: Sandwich ; Bowtie ; DDA ; SPR
文章类型: Article
英文摘要: A composite nanobowtie with Ag/SiO2/Ag sandwich structure is presented and its optical properties especially the Plasmon property are studied using the discrete dipole approximation (DDA) method in this paper. Our results show that this structure has simply-tunable surface Plasmon resonance (SPR) wavelengths and more "hotter spots" provided by the sandwich structure, as well as the remarkable enhancement of the localized E-field provided by the bowtie structure. The transverse and longitudinal Plasmon coupling mechanism is employed to explain tunable SPR and strong E-field enhancement respectively. The sandwich nanobowtie possesses the qualities of simply-tunable SPR and great E-field enhancement, thereby holding a great potential in applications such as surface-enhanced Raman scattering (SERS).
WOS标题词: Science & Technology ; Physical Sciences ; Technology
类目[WOS]: Chemistry, Multidisciplinary ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied ; Physics, Condensed Matter
研究领域[WOS]: Chemistry ; Science & Technology - Other Topics ; Materials Science ; Physics
关键词[WOS]: DISCRETE-DIPOLE APPROXIMATION ; SILVER NANOPARTICLES ; METAL NANOPARTICLES ; GOLD NANOPARTICLES ; NANORODS ; SPECTROSCOPY ; RESONATOR ; SHAPES ; ARRAY ; FIELD
收录类别: SCI
语种: 英语
WOS记录号: WOS:000263422800014
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/3288
Appears in Collections:光电技术研究所被WoS收录文章_期刊论文

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作者单位: Chinese Acad Sci, Inst Opt & Elect, State Key Lab Opt Technol Microfabricat, Chengdu 610209, Peoples R China

Recommended Citation:
Yang, Lanying,Du, Chunlei,Luo, Xiangang. Numerical Study of Optical Properties of Ag/SiO2/Ag Sandwich Nanobowties[J]. JOURNAL OF COMPUTATIONAL AND THEORETICAL NANOSCIENCE,2009,6(1):106-111.
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