Negative differential resistance in a bilayer molecular junction

被引:60
作者
Le, JD
He, Y
Hoye, TR
Mead, CC
Kiehl, RA [1 ]
机构
[1] Univ Minnesota, Dept Elect & Comp Engn, Minneapolis, MN 55455 USA
[2] Univ Minnesota, Dept Chem, Minneapolis, MN 55455 USA
关键词
D O I
10.1063/1.1636520
中图分类号
O59 [应用物理学];
学科分类号
摘要
Negative differential resistance (NDR) is reported for a bilayer molecular junction. The system is comprised of a Hg-alkanethiol//arenethiol-Au bilayer molecular junction formed by bringing into contact a tetradecanethiol self-assembled monolayer (SAM)-coated drop of Hg with the surface of an oligo(phenylene-ethynylene) SAM on Au. Persistent, reproducible NDR is observed in the current-voltage characteristics with peak-to-valley ratios as high as 4.5 at room temperature. These results open a promising line of investigation of structure/function relationship and mechanisms in molecular NDR components. (C) 2003 American Institute of Physics.
引用
收藏
页码:5518 / 5520
页数:3
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