Low bias negative differential resistance in tour wires predicted by first-principles study

被引：3
|
作者：
Min, Y. [1 ]
Zhong, C. G. [1 ]
Yang, P. P. [1 ]
Yao, K. L. [2 ]
机构：
[1] Nantong Univ, Sch Sci, Nantong 226007, Jiangsu, Peoples R China
[2] Huazhong Univ Sci & Technol, Sch Phys, Wuhan 430074, Hubei, Peoples R China
来源：
JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS | 2018年 / 119卷
关键词：
First-principles; Molecular electronics; Tour wire; Negative differential resistance;
D O I：
10.1016/j.jpcs.2018.04.005
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Tour wires are considered as potential block materials for molecular electronics in the future. This work provides a first-principles study of the transport properties of three Tour wires sandwiched between two Al leads by pyridine "alligator clip" connecting apex Al atom. We obtained strong negative differential resistance (NDR) effect under very low bias and such NDR effect can be modulated by the length of the Tour wire, which promise the potential applications in molecular devices in the future.
引用
收藏
页码：238 / 241
页数：4
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