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Field-emission characteristics of conical boron nitride nanorods
journal contribution
posted on 2007-01-07, 00:00 authored by H Zhang, Q Zhao, J Yu, D Yu, Ying (Ian) ChenYing (Ian) ChenWe present the electron field-emission (FE) characteristics of conical boron nitride nanorods grown on a (1 0 0) n-type silicon substrate. The emission current can be up to ~60 µA at an applied voltage of ~3 kV. Two distinct slopes are evident in the Fowler–Nordheim (FN) plot. The FE characteristics can be explained using a site-related tunnelling-controlled mechanism. The occurrence of two FN slopes is attributed to the switchover from tip emission to side emission, which results from the differences in interface barrier, geometry, as well as the total emission area of the two emission interfaces.
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Journal
Journal of applied physics D : applied physicsVolume
40Issue
1Pagination
144 - 147Publisher
Institute of Physics PublishingLocation
London, EnglandPublisher DOI
ISSN
0022-3727eISSN
1361-6463Language
engPublication classification
C1.1 Refereed article in a scholarly journalCopyright notice
2009, Institute of Physics and IOP PublishingUsage metrics
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