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Conductivity of Macromolecular Networks Measured by Electrostatic Force Microscopy

Lei, C. H., Das, Arindam, Elliott, Martin and Macdonald, John Emyr 2003. Conductivity of Macromolecular Networks Measured by Electrostatic Force Microscopy. Applied Physics Letters 83 , pp. 482-484. 10.1063/1.1592888

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Abstract

High-resolution electrostatic force microscopy (EFM)-phase measurements are reported on molecular networks of semiconductor polymer poly-hexylthiophene (P3HT) and DNA molecules. A lateral resolution of better than 20 nm is demonstrated in EFM-phase images of the P3HT network by detecting the phase shift of the tip along the molecules under electrical bias. Strands of ?-DNA are shown to be highly insulating in comparison to the semiconductor polymer P3HT, with a minimum resistance of ? 1

Item Type: Article
Date Type: Publication
Status: Published
Schools: Physics and Astronomy
Subjects: Q Science > QC Physics
Additional Information: ------- Publisher's copyright requirements "Copyright (2004) American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in Tian, Y and Li, G and Shinar, J and Wang, N. L. and Cook, B A and Anderegg, J. W. and Constant, A. P. and Russell, A M and Snyder, John Evan (2004) Electrical transport in amorphous semiconducting AlMgB14 films. Applied Physics Letters , 85 (7). pp. 1181-1183. ISSN 10773118 (10.1063/1.1781738)and may be found at http://apl.aip.org/resource/1/applab/v85/i7/p1181_s1."
ISSN: 0003-6951
Last Modified: 04 Jun 2017 01:41
URI: http://orca.cf.ac.uk/id/eprint/1636

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