Multiwalled carbon nanotubes as ultrasensitive electrometers

L. Roschier, R. Tarkiainen, M. Ahlskog, M. Paalanen, P. Hakonen

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We show that it is possible to construct low-noise single-electron transistors (SETs) using free-standing multiwalled carbon nanotubes. The 1/fα-noise of our devices, 6×10−6e/Hz⎯⎯⎯⎯⎯√ at 45 Hz, is close in the performance to the best metallic SETs of today.
Original languageEnglish
Pages (from-to)3295-3297
Number of pages3
JournalApplied Physics Letters
Issue number21
Publication statusPublished - 2001
MoE publication typeA1 Journal article-refereed


  • atomic force microscope
  • carbon nanotube
  • nanoelectronic

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