Experimental study on current-induced force in metallic monatomic wires
金属单原子线电流感应力的实验研究
基本信息
- 批准号:23740237
- 负责人:
- 金额:$ 2.91万
- 依托单位:
- 依托单位国家:日本
- 项目类别:Grant-in-Aid for Young Scientists (B)
- 财政年份:2011
- 资助国家:日本
- 起止时间:2011 至 2012
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Simultaneous measurement system on mechanical and electrical properties of a metallic monatomic wire was built to study experimentally a current-induced force in the wire. The mechanically controllable break junction combined with a tuning fork as a force sensor was used. Measured values using the tuning fork were analyzed by several theoretical models, and the model showing a good quantitative approximation was determined. Mechanical and electrical properties of Au monatomic wires were measured under a low temperature. Although it was observed that the resonance frequency of the tuning fork was shifted due to monatomic wire formation, a clear bias-dependence of the mechanical properties measured was not found.
建立了金属单原子导线的力学和电学性能同步测量系统,对导线中的电流感应力进行了实验研究。采用机械可控断接与音叉相结合的力传感器。用几种理论模型对音叉测量值进行了分析,确定了具有较好定量近似的模型。在低温条件下测量了金单原子线的力学和电学性能。虽然观察到音叉的共振频率由于单原子丝的形成而发生了移位,但没有发现测量到的机械性能明显的偏倚依赖性。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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