Enhancement of intramolecular electron scattering due to molecule-electrode coupling in molecular junction systems

被引：3
|
作者：
Kondo, Hisashi [1 ,2 ]
Nara, Jun [2 ]
Ohno, Takahisa [1 ,2 ]
机构：
[1] Univ Tokyo, Inst Ind Sci, Meguro Ku, Tokyo 1538505, Japan
[2] Natl Inst Mat Sci, Computat Mat Sci Ctr, Tsukuba, Ibaraki 3050047, Japan
来源：
PHYSICAL REVIEW B | 2010年 / 81卷 / 08期
关键词：
TRANSPORT-PROPERTIES; ORGANIC-MOLECULES; CONDUCTION;
D O I：
10.1103/PhysRevB.81.085318
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We theoretically reveal that molecule-electrode coupling plays a crucial role in electron transport of molecular junction systems. It is found that as the coupling becomes stronger, transmission peaks are lowered despite the increasing of the wave function hybridization between molecule and electrode. The transmission decrease comes from the enhancement of electron scattering inside a molecule. We clarify the mechanism by which molecule-electrode coupling changes the magnitude of intramolecular scattering.
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页数：5
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