Journal
JOURNAL OF NANOMATERIALS
Volume 2011, Issue -, Pages -Publisher
HINDAWI LTD
DOI: 10.1155/2011/129298
Keywords
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Funding
- Center for Nanoscale Mechatronics & Manufacturing of the Korea Institute of Machinery Materials
- National Science Foundation, USA [0545683]
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The advent of carbon-based micro-and nanoelectromechanical systems has revived the interest in glassy carbon, whose properties are relatively unknown at lower dimensions. In this paper, electrical conductivity of individual glassy carbon nanowires was measured as a function of microstructure (controlled by heat treatment temperature) and ambient temperature. The semiconducting nanowires with average diameter of 150 nm were synthesized from polyfurfuryl alcohol precursors and characterized using transmission electron and Raman microscopy. DC electrical measurements made at 90 K to 450 K show very strong dependence of temperature, following mixed modes of activation energy and hopping-based conduction.
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