dorsal/arxiv
View SchemaInvestigation of electric conditions in the vicinity of carbon nanotubes grown in a DC plasma sheath
| Authors | J. Blazek, P. Spatenka, Ch. Taeschner, A. Leonhardt |
|---|---|
| Categories | |
| ArXiv ID | physics/0411030 |
| URL | https://arxiv.org/abs/physics/0411030 |
Abstract
Carbon nanotubes (CNTs - long tubular carbon nanostructures) belong to the best electron field emitting materials. Based on the experimentally determined electron density in the dual hot filament/DC plasma deposition system the electric field close to the substrate and ion energy flux were calculated. The dependences of electric characteristics close to the nanotube tips on various geometric and plasma parameters were numerically investigated. Taking into account the field enhancement in the vicinity of the CNTs tips the force acting on them was determined. The reliability of numeric computations was tested on a model of conductive sphere placed in a homogeneous electric field, for which theoretical predictions concerning electric forces and field emission currents can be derived.
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"abstract": "Carbon nanotubes (CNTs - long tubular carbon nanostructures) belong to the\nbest electron field emitting materials. Based on the experimentally determined\nelectron density in the dual hot filament/DC plasma deposition system the\nelectric field close to the substrate and ion energy flux were calculated. The\ndependences of electric characteristics close to the nanotube tips on various\ngeometric and plasma parameters were numerically investigated. Taking into\naccount the field enhancement in the vicinity of the CNTs tips the force acting\non them was determined. The reliability of numeric computations was tested on a\nmodel of conductive sphere placed in a homogeneous electric field, for which\ntheoretical predictions concerning electric forces and field emission currents\ncan be derived.",
"arxiv_id": "physics/0411030",
"authors": [
"J. Blazek",
"P. Spatenka",
"Ch. Taeschner",
"A. Leonhardt"
],
"categories": [
"physics.plasm-ph"
],
"title": "Investigation of electric conditions in the vicinity of carbon nanotubes grown in a DC plasma sheath",
"url": "https://arxiv.org/abs/physics/0411030"
},
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