Diffusivity Control in Molecule-on-Metal Systems Using Electric Fields
文献类型：期刊论文
| 作者 | Jiang, N ; Zhang, YY ; Liu, Q ; Cheng, ZH ; Deng, ZT ; Du, SX ; Gao, HJ ; Beck, MJ ; Pantelides, ST |
| 刊名 | NANO LETTERS
 |
| 出版日期 | 2010 |
| 卷号 | 10期号:4页码:1184 |
| 关键词 | SCANNING-TUNNELING-MICROSCOPY AU(111) SURFACE IRON PHTHALOCYANINE GROWTH ATOMS |
| ISSN号 | 1530-6984 |
| 通讯作者 | Gao, HJ: Chinese Acad Sci, Inst Phys, Beijing Natl Lab Condensed Matter Phys, POB 603, Beijing 100190, Peoples R China. |
| 中文摘要 | The development of methods for controlling the motion and arrangement of molecules adsorbed on a metal surface would provide a powerful tool for the design of molecular electronic devices. Recently, metal phthalocyanines (MPc) have been extensively considered for use in such devices, Here we show that applied electric fields can be used to turn off the diffusivity of iron phthalocyanine (FePc) on Au(111) at fixed temperature, demonstrating a practical and direct method for controlling and potentially patterning FePc layers. Using scanning tunneling microscopy, we show that the diffusivity of FePc on Au(it) is a strong function of temperature and that applied electric fields can be used to retard or enhance molecular diffusion at fixed temperature. Using spin-dependent density-functional calculations, we then explore the origin of this effect, showing that applied fields modify both the molecule surface binding energies and the molecular diffusion barriers through an interaction with the dipolar Fe Au adsorption bond. On the basis of these results FePc on Au(111) is a promising candidate system or the development of adaptive molecular device structures. |
| 收录类别 | SCI |
| 资助信息 | Natural Science Foundation or China (NSFC); National 973 and 863 projects or China; CAS; Shanghai Super-computer Center; U.S. Department of Energy [DEFG0203ER46096]; McMinn Endowment at Vanderbilt University |
| 语种 | 英语 |
| 公开日期 | 2013-09-17 |
| 源URL | [http://ir.iphy.ac.cn/handle/311004/35965]  |
| 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 | Jiang, N,Zhang, YY,Liu, Q,et al. Diffusivity Control in Molecule-on-Metal Systems Using Electric Fields[J]. NANO LETTERS,2010,10(4):1184. |
| APA | Jiang, N.,Zhang, YY.,Liu, Q.,Cheng, ZH.,Deng, ZT.,...&Pantelides, ST.(2010).Diffusivity Control in Molecule-on-Metal Systems Using Electric Fields.NANO LETTERS,10(4),1184. |
| MLA | Jiang, N,et al."Diffusivity Control in Molecule-on-Metal Systems Using Electric Fields".NANO LETTERS 10.4(2010):1184. |
入库方式： OAI收割
来源：物理研究所
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