Field Emission Investigation of Carbon Nanotubes Doped by Different Metals

K N Nikolski,V S Bormashov,A S Baturin,Yu Tchesov Yu Tchesov,E P Sheshin,D V Schur,S Yu Zaginaichenko,L D Kvacheva,A Simanovskiy,A S Ershov,V E Muradyan,D A Kurnosov,M Yu Shulga,A A Rogozinskiy

doi:10.1007/1-4020-2669-2_10

Field Emission Investigation of Carbon Nanotubes Doped by Different Metals

K N Nikolski, V S Bormashov + Show 12 more

https://doi.org/10.1007/1-4020-2669-2_10

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Publication Date: Jan 1, 2004

Citations: 2

Affiliation: Moscow Institute of Physics and Technology, Frantsevich Institute for Problems in Materials Science, A. N. Nesmeyanov Institute of Organoelement Compounds, Institute of Problems of Chemical Physics

#Carbon Nanotubes #Arc Discharge Synthesis + Show 8 more

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Abstract

Carbon nanotubes (CNT) possess very promising properties for field emission applications. At this paper the two methods of field emission properties improving of multi-wall nanotubes (MWNT) are described. The first is filling nanotubes by barium with aim to decrease work function of CNT cathodes. The nanotubes synthesized by arc discharge technique were selected for the tests. CNTs were boiled in the nitric acid solution containing the barium nitrate. Another method is doping the CNTs during arc discharge synthesis. By this technique nanotubes were doped with the following metals: Zr, Fe, Ni, Mn, Ti, Cu, Co.

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