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| VOLUME 90 | ISSUE 4 |
PAGE 304
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| Energy distributions of field emitted electrons from carbon nanosheets: manifestation of the quantum size effect |
V. L. Katkov1), V. A. Osipov
Bogoliubov Laboratory of Theoretical Physics, Joint Institute for Nuclear Research, 141980 Dubna, Moscow region, Russia
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PACS: 73.43.Cd, 79.70.+q, 81.05.Uw
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Abstract
We emphasize the importance of experiments with voltage
dependent field emission energy distribution analysis in carbon
nanosheets. Our analysis shows the crucial influence of the band
structure on the energy distribution of field emitted electrons in
few-layer graphene. In addition to the main peak we found
characteristic sub-peaks in the energy distribution. Their
positions strongly depend on the number of layers and the
inter-layer interaction. The discovery of these peaks in field
emission experiments from carbon nanosheets would be a clear
manifestation of the quantum size effect in these new materials.
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