Atomic scale control of single molecule charging

The Journal of Chemical Physics
G MikaelianW Ho

Abstract

A scanning tunneling microscope was used to study charging of single copper phthalocyanine molecules adsorbed on an ultrathin Al(2)O(3) film grown on a NiAl(110) surface. A double-barrier tunnel junction is formed by a vacuum barrier between the tip and the molecule and an oxide barrier between the molecule and the NiAl. In this geometry the molecule can be charged by the tunneling electrons. This charging was found to be strongly dependent on the position of the tip above the molecule and the applied bias voltage.

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Citations

Jul 5, 2011·ACS Nano·Agostino Migliore, Abraham Nitzan
May 28, 2013·Physical Chemistry Chemical Physics : PCCP·Nadine HauptmannRichard Berndt
Dec 17, 2014·Journal of the American Chemical Society·Johannes MielkeLeonhard Grill
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Jan 14, 2009·Journal of the American Chemical Society·Yuanmin WangH Peter Lu
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Oct 13, 2017·Advanced Materials·Ben WarnerCyrus F Hirjibehedin
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Jun 28, 2011·Physical Review Letters·Thomas LeoniSébastien Gauthier
Sep 3, 2008·Journal of the American Chemical Society·Chuleekorn Chotsuwan, Silas C Blackstock
Apr 30, 2010·Langmuir : the ACS Journal of Surfaces and Colloids·Yi-Ju ChenKing-Chuen Lin

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