Plasmon resonances in linear atomic chains: Free-electron behavior and anisotropic screening of d electrons
文献类型：期刊论文
| 作者 | Yan, J ; Gao, SW |
| 刊名 | PHYSICAL REVIEW B
 |
| 出版日期 | 2008 |
| 卷号 | 78期号:23 |
| 关键词 | ENHANCED RAMAN-SCATTERING SMALL SILVER CLUSTERS SODIUM CLUSTERS SURFACE-PLASMONS GOLD ATOMS THIN-FILMS NANOPARTICLES HYBRIDIZATION EXCITATIONS MOLECULES |
| ISSN号 | 1098-0121 |
| 通讯作者 | Yan, J (reprint author), Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China. |
| 中文摘要 | Electronic excitations in linear atomic chains of simple and noble metals (silver) have been studied using time-dependent density-functional theory. The formation and development of collective resonances in the absorption spectra were obtained as functions of the chain length. A longitudinal collective resonance appears in both simple- and noble-metal chains. Its dispersion has been deduced and is compared with that of a one-dimensional electron gas. The transverse excitation generally shows a bimodal structure, which can be assigned as the "end and central resonances." The d electrons of silver atoms reduce both the energies and intensities of the transverse modes but have little effect on its longitudinal resonance. This anisotropic screening is determined by the interband (d -> p) transition, which is involved only in transverse oscillations. Analysis of these results yields a general picture of plasmon resonances in one-dimensional atomic structures. Implications of such atomic-scale plasmons to surface plasmons in larger dimensions are also discussed. |
| 收录类别 | SCI |
| 资助信息 | 100-Talent Program of the Chinese Academy of Sciences; Institutional Grant Program of STINT; Swedish Foundation for International Cooperation in Research and Higher Education; PhotoNano program of the Swedish Foundation for Strategic Research |
| 语种 | 英语 |
| 公开日期 | 2013-09-24 |
| 源URL | [http://ir.iphy.ac.cn/handle/311004/51058]  |
| 专题 | 物理研究所_物理所公开发表论文_物理所公开发表论文_期刊论文 |
| 推荐引用方式 GB/T 7714 | Yan, J,Gao, SW. Plasmon resonances in linear atomic chains: Free-electron behavior and anisotropic screening of d electrons[J]. PHYSICAL REVIEW B,2008,78(23). |
| APA | Yan, J,&Gao, SW.(2008).Plasmon resonances in linear atomic chains: Free-electron behavior and anisotropic screening of d electrons.PHYSICAL REVIEW B,78(23). |
| MLA | Yan, J,et al."Plasmon resonances in linear atomic chains: Free-electron behavior and anisotropic screening of d electrons".PHYSICAL REVIEW B 78.23(2008). |
入库方式： OAI收割
来源：物理研究所
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