TITLE

Electrical properties of ZnO nanowire field effect transistors characterized with scanning probes

AUTHOR(S)
Fan, Zhiyong; Lu, Jia G.
PUB. DATE
January 2005
SOURCE
Applied Physics Letters;1/17/2005, Vol. 86 Issue 3, p032111
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Single ZnO nanowires are configured as field effect transistors and their electrical properties are characterized using scanning probe microscopy (SPM). Scanning surface potential microscopy is used to map the electric potential distribution on the nanowire. Potential drop along the nanowire and at the contacts are resolved, and contact resistances are estimated. Furthermore, conductive SPM tip is used as a local gate to manipulate the electrical property. The local change of electron density induced by a negatively biased tip significantly affects the current transport through the nanowire.
ACCESSION #
16345268

 

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