A. Hassanien, P. Umek, D. Vrbanic, M. Mozetic, P. Venturini, M. Tokumoto, D. Mihailovic, S. Pejovnik
Abstract:AbstractWe report on the structure and electronic properties of single wall carbon nanotubes (SWNTs) tips with atomically spatial resolution. Scanning tunneling microscopy (STM) show topographic images of closed tips with a variety of geometrical structure; these include round, conical, as well as tips with a messy shape. At low bias voltage, topographic STM images show standing wave pattern of the charge density in the vicinity of nanotube ends. The patterns originate from constructive interference between th…
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