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아래와 같이 세미나를 개최하오니 많이 참석해 주시기 바랍니다. 아 래 1. 제목: Carbon nanotubes as Electron Sources 2. 연사: W.I.Milne Professor (Centre For Advanced Photonics and Electronics Dept of Engineering Univ. of Cambridge) 3. 일시: 2006년 2월 27일(월요일) 오전 11시 4. 장소: 물리학과 세미나실(31355호실) 5. 초록: Carbon nanotubes (CNTs) are a unique form of carbon filament/fiber in which the graphene walls roll up to form tubes. They can exhibit either metallic-like or semiconductor-like properties. With the graphene walls parallel to the filament axis, nanotubes (single wall metallic-type or multi-wall) exhibit high electrical conductivity at room temperature. This high electrical conductivity allied to their remarkable thermal stability has made CNTs one of the most intensely studied material systems for field emission (F.E.) applications. In this paper I will describe the growth of multiwall CNTs and their application in a range of field emission based systems including their use in SEM sources, emitters for use in microwave amplifiers and as emitters in Field Emission Based displays.
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