Journal
APPLIED PHYSICS LETTERS
Volume 99, Issue 6, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.3616141
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Funding
- National Basic Research Program of China [2007CB936201]
- Major Project of International Cooperation and Exchanges [2006DFB51000]
- National Natural Science Foundation of China [50872008]
- Beijing Municipal Commission of Education
- Fundamental Research Funds for the Central Universities
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Electronic transport of individual ZnO micro/nanowires was tuned by applying a transverse electric field, and the diameter effect on carrier mobility in that process was measured. Surface charges induced by the external field modulate longitudinal electronic transport in wires and a minimum conductivity was obtained in the negative electric field. Electron mobility deduced from conductivity versus surface-charge was in agreement with the value obtained from the current-voltage characteristics. Moreover, electron mobility of the wire decreases as its diameter increases in a constant transverse electric field, which was not observed without the transverse electric field. We also discuss the possible mechanisms. (C) 2011 American Institute of Physics. [doi:10.1063/1.3616141]
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