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What is the Barrier for Tunneling Through Alkyl Monolayers? Results from n‐ and p‐Si–Alkyl/Hg Junctions
Author(s) -
Salomon A.,
Boecking T.,
Seitz O.,
Markus T.,
Amy F.,
Chan C.,
Zhao W.,
Cahen D.,
Kahn A.
Publication year - 2007
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.200601729
Subject(s) - alkyl , monolayer , materials science , quantum tunnelling , nanotechnology , optoelectronics , organic chemistry , chemistry
By combining experimental electron‐transport results through an alkane monolayer sandwiched between Si and a metal, photoemission data from the monolayer‐on‐Si, and theoretical calculations, we show that transport is dominated by a distribution of mixed Si molecular levels, rather than a single molecular level, as shown schematically in the figure.