Size effect on the electron-phonon coupling in CuO nanocrystals
文献类型：期刊论文
| 作者 | Fan, HM ; Zou, BS ; Liu, YL ; Me, SS |
| 刊名 | NANOTECHNOLOGY
 |
| 出版日期 | 2006 |
| 卷号 | 17期号:4页码:1099 |
| 关键词 | RAMAN-SCATTERING CUPRIC OXIDE SUPERCONDUCTIVITY |
| ISSN号 | 0957-4484 |
| 通讯作者 | Zou, BS (reprint author), Hunan Univ, Micro Nano Technol Res Ctr, Changsha 410082, Peoples R China. |
| 中文摘要 | CuO is the prototype compound of cuprate superconductors, so understanding its electronic structures will facilitate the study of the pairing mechanism and miscellaneous states of high-temperature superconductors. We prepared uniform CuO nanocrystals (7-100 nm) and studied their size-dependent Raman scattering spectra. The relative variation between the two-phonon scattering band (2B(g)) and the one-phonon band (B-g) indicates a decreasing electron-phonon coupling with reducing size, which unveils the dominant Frohlich electron-phonon coupling, as indicated by Devreese, but not the small polaron in CuO. Moreover, the anomalous enhancement of the multi-phonon band at a critical size and ID structure at room temperature is attributable to an enhanced electron-phonon coupling accompanied by phonon-plasmon coupling, i.e., the 'plasphon' proposed by Alexandrov et al in 1981. |
| 收录类别 | SCI |
| 语种 | 英语 |
| 公开日期 | 2013-09-24 |
| 源URL | [http://ir.iphy.ac.cn/handle/311004/52675]  |
| 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 | Fan, HM,Zou, BS,Liu, YL,et al. Size effect on the electron-phonon coupling in CuO nanocrystals[J]. NANOTECHNOLOGY,2006,17(4):1099. |
| APA | Fan, HM,Zou, BS,Liu, YL,&Me, SS.(2006).Size effect on the electron-phonon coupling in CuO nanocrystals.NANOTECHNOLOGY,17(4),1099. |
| MLA | Fan, HM,et al."Size effect on the electron-phonon coupling in CuO nanocrystals".NANOTECHNOLOGY 17.4(2006):1099. |
入库方式： OAI收割
来源：物理研究所
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