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Observation of orbital gate modulation in molecular junctions

Authors
Song, HyunwookKim, YoungsangJang, Yun HeeJeong, HeejunReed, Mark A.Lee, Takhee
Issue Date
Aug-2010
Citation
2010 10th IEEE Conference on Nanotechnology, NANO 2010, pp.928 - 931
Indexed
SCOPUS
Journal Title
2010 10th IEEE Conference on Nanotechnology, NANO 2010
Start Page
928
End Page
931
URI
https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/40470
DOI
10.1109/NANO.2010.5697843
Abstract
We report the observation of direct gate modulation of molecular orbitals in solid-state molecular junctions where transport current is controlled by an external gate. Resonant-enhanced coupling to the nearest molecular orbital is revealed by electron tunneling spectroscopy, demonstrating direct molecular orbital gating in an electronic device. We contrast molecular structures that have near-resonant coupling to ones that have far-from-resonant coupling. We show this using a multiprobe approach combining a variety of transport techniques that elucidates the transport mechanisms and electronic structure of molecular junctions. ©2010 IEEE.
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