Emission stability enhancement of a tip-type carbon-nanotube-based field emitter via hafnium interlayer deposition and thermal treatment
- Authors
- Kim, Jong-Pil; Chang, Han-Beet; Kim, Bu-Jong; Park, Jin-Seok
- Issue Date
- Mar-2012
- Publisher
- AMER INST PHYSICS
- Keywords
- ELECTROPHORETIC DEPOSITION
- Citation
- APPLIED PHYSICS LETTERS, v.100, no.12, pp 1 - 3
- Pages
- 3
- Indexed
- SCI
SCIE
SCOPUS
- Journal Title
- APPLIED PHYSICS LETTERS
- Volume
- 100
- Number
- 12
- Start Page
- 1
- End Page
- 3
- URI
- https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/33159
- DOI
- 10.1063/1.3695173
- ISSN
- 0003-6951
1077-3118
- Abstract
- Carbon nanotubes (CNTs) were deposited on a tip-type tungsten substrate via electrophoretic deposition, in which a hafnium thin film was used as an interlayer. The long-term (up to 24 h) emission stability of the CNT-based field emitter was remarkably enhanced when the hafnium interlayer was coated and thermally treated. This is attributed to the enhanced adhesion between the substrate and the CNTs. An x-ray photoelectron spectroscopy study and nano-scratch measurement provided a convincing evidence of the increase in the adhesive force. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.3695173]
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