Murthy, D. V. B. and Subramanian, V. and Sundaray, Bibekananda and Natarajan, T. S. (2008) Microwave Hall mobility studies on polymer-single walled carbon nanotube composite fibers. Applied Physics Letters, 92 (22). p. 222111. ISSN 00036951
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Composite fibers of single walled carbon nanotubes dispersed in poly(methyl methacrylate) and polystyrene are prepared using electrospinning. The single fiber electrical conductivity is measured as a function of the composition of carbon nanotubes. A noncontact method of measuring the carrier mobility at microwave frequency (14 GHz) using bimodal cavity is employed. The mobility measurements indicate lower percolation threshold for mobility compared to electrical conduction. For higher concentrations of carbon nanotubes, the mobility is found to decrease indicating possible carrier-lattice scattering. ©2008 American Institute of Physics
|Subjects:||Physical Science > Nanophysics|
Physical Science > Nano objects
Material Science > Nanochemistry
Material Science > Nanostructured materials
|Divisions:||Faculty of Engineering, Science and Mathematics > School of Physics|
Faculty of Engineering, Science and Mathematics > School of Chemistry
|Deposited On:||11 Aug 2009 07:18|
|Last Modified:||11 Aug 2009 07:18|
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