Superconductivity of ultra-fine tungsten nanowires grown by focused-ion-beam direct-writing
文献类型：期刊论文
| 作者 | Li, WX ; Fenton, JC ; Gu, CZ ; Warburton, PA |
| 刊名 | MICROELECTRONIC ENGINEERING
 |
| 出版日期 | 2011 |
| 卷号 | 88期号:8页码:2636 |
| ISSN号 | 0167-9317 |
| 通讯作者 | Li, WX (reprint author), Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China. |
| 中文摘要 | The electrical properties of lateral ultra-fine tungsten nanowires, which were grown by focused-ion-beam-induced deposition with 1 pA ion-beam current, were investigated. Temperature-dependent electrical measurements show that the wires are conducting and have a superconducting transition with a transition temperature (T-c) about 5.1 K. Resistance vs. temperature measurements reveal that, with decreasing cross-sectional area, the wires display an increasingly broad superconducting transition. A residual resistive tail extending down to the low-temperature region is found only for the thinnest tungsten nanowire, which is 10 nm thick and 19 nm wide. The logarithm of the residual resistance of this wire appears as two linear sections as a function of temperature, one within 300 mK below T-c and the other extending down to the lowest measuring temperature of 4.26 K. Such features have previously been identified with phase slip processes. Our results are suggestive that the focused-ion-beam technique might be a potential approach to fabricate ultra-thin and ultra-narrow nanowires for the study of superconducting suppression in nanoscale materials and for maskless superconducting device fabrication. (C) 2011 Elsevier B.V. All rights reserved. |
| 收录类别 | SCI |
| 资助信息 | IRC in Nanotechnology; EPSRC [EP/F035411/1]; National Natural Science Foundation of China [50825206, 60871045, 10834012]; Chinese Service Center for Scholar Exchange |
| 语种 | 英语 |
| 公开日期 | 2013-09-24 |
| 源URL | [http://ir.iphy.ac.cn/handle/311004/54090]  |
| 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 | Li, WX,Fenton, JC,Gu, CZ,et al. Superconductivity of ultra-fine tungsten nanowires grown by focused-ion-beam direct-writing[J]. MICROELECTRONIC ENGINEERING,2011,88(8):2636. |
| APA | Li, WX,Fenton, JC,Gu, CZ,&Warburton, PA.(2011).Superconductivity of ultra-fine tungsten nanowires grown by focused-ion-beam direct-writing.MICROELECTRONIC ENGINEERING,88(8),2636. |
| MLA | Li, WX,et al."Superconductivity of ultra-fine tungsten nanowires grown by focused-ion-beam direct-writing".MICROELECTRONIC ENGINEERING 88.8(2011):2636. |
入库方式： OAI收割
来源：物理研究所
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。