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Substrate Mediated Ordering in PmPV Thin Films

Published online by Cambridge University Press:  21 March 2011

B. McCarthy ,
R. Czerw ,
A. Strevens ,
A. P. Davey ,
D. L. Carroll  and
W. J. Blau
B. McCarthy
Affiliation:
Dept. of Physics, Trinity College, Dublin, Ireland
R. Czerw
Affiliation:
Dept. of Physics and Astronomy, Clemson University, Clemson, SC
A. Strevens
Affiliation:
Dept. of Physics, Trinity College, Dublin, Ireland
A. P. Davey
Affiliation:
Dept. of Physics, Trinity College, Dublin, Ireland
D. L. Carroll
Affiliation:
Dept. of Physics and Astronomy, Clemson University, Clemson, SC
W. J. Blau
Affiliation:
Dept. of Physics, Trinity College, Dublin, Ireland
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Abstract

Monolayer films of poly(m-phenylenevinylene-co-2,5-dioctoxy-p-phenylenevinylene) (PmPV) supported on highly orientated pyrolytic graphite (HOPG) have been investigated using scanning tunneling microscopy (STM) and scanning tunneling spectroscopy (STS). While there are areas of the surface covered with a featureless polymer layer, we also observe large regions with surprisingly long range order. Structural models of the polymer, as well as tunneling spectra, suggest that this ordering is derived from substrate-polymer epitaxy.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 598: Symposium BB – Electrical, Optical, & Magenetic Properties...V , 1999 , BB11.34
Copyright
Copyright © Materials Research Society 1999

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References

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