本文已被:浏览 1531次 下载 1682次 |
 码上扫一扫! |
|
Temperature-Dependent Electrical Conductance of Bi Nanowires |
Peng-cheng Huo, Guang Tao Fei*, Yang Zhang, Li-de Zhang
|
Key Laboratory of Materials Physics and Anhui Key Laboratory of Nanomaterials and Nanotechnology, Institute of Solid State Physics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031, China
|
|
Abstract: |
The single crystal bismuth nanowire arrays grown along [0112] with the diameter of 30 nm was synthesized in the pore of anodic aluminum oxide templates through electrodeposi-tion process. The temperature dependent electric conductance of Bi nanowire arrays was measured from 78 K to 320 K. We found that the semimetal-to-semiconductor transition happened around 230 K for 30 nm Bi nanowires oriented along [01112] and the electric con-ductance of the nanowires had a strong temperature dependence. |
Key words: Bismuth nanowire, Semimetal-to-semiconductor transition, Electric conduc-tance |
FundProject: |
|
铋纳米线中电导的温度依赖性 |
霍鹏程, 费广涛*, 张阳, 张立德
|
中国科学院合肥物质科学研究院固体物理研究所,中国科学院材料物理重点实验室,安徽省纳米材料与纳米技术重点实验室,合肥 230031
|
摘要: |
采用电沉积的方法在多孔氧化铝模板中合成了直径为30 nm且沿着[0112]方向生长的单晶铋纳米线,测量了纳米线电导随着温度78~320 K变化的关系曲线. 结果发现,其半金属半导体转变的温度为230 K,且纳米线的电导有很强的温度依赖性. |
关键词: 铋纳米线,半金属半导体转变,电导 |
DOI:10.1063/1674-0068/28/cjcp1409164 |
分类号: |