Direct growth of carbon nanotubes on a micro-sized cobalt tip and characterization of electron-emission properties
- Title
- Direct growth of carbon nanotubes on a micro-sized cobalt tip and characterization of electron-emission properties
- Author
- 박진석
- Keywords
- Carbon nanotubes (CNTs); Cobalt tip; Direct growth; Electron-emission properties; Stability; X-ray imaging; Inductively coupled plasma- Chemical vapor deposition (ICP-CVD)
- Issue Date
- 2008-09
- Publisher
- ELSEVIER SCIENCE SA
- Citation
- THIN SOLID FILMS, v. 517, No. 3, Page. 1136-1140
- Abstract
- Carbon nanotubes (CNTs) are synthesized directly on an electrically conducting cobalt (Co) tip of 1 mu m in diameter, without any additional buffer or catalyst layer, through inductively coupled plasma-chemical vapor deposition (ICP-CVD). The nanostructures, morphologies, and crystalline structures of all the CNTs are analyzed through field emission SEM, high-resolution TEM, and Raman spectroscopy. Compared with the conventional emitter, which has a configuration of CNTs/Co(catalyst)/TiN(buffer)/W-tip, the CNTs/Co-tip field emitter proposed in this work show a noticeably improved performance in the electron-emission characteristics as well as in the stability of the emission current due to prolonged operation (up to 50 h). (C) 2008 Elsevier B.V. All rights reserved.
- URI
- https://www.sciencedirect.com/science/article/pii/S0040609008010006https://repository.hanyang.ac.kr/handle/20.500.11754/80676
- ISSN
- 0040-6090
- DOI
- 10.1016/j.tsf.2008.08.174
- Appears in Collections:
- COLLEGE OF ENGINEERING SCIENCES[E](공학대학) > ELECTRICAL ENGINEERING(전자공학부) > Articles
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