Mechanism of metal-semiconductor transition in electric properties of single-walled carbon nanotubes induced by low-energy electron irradiation

Kenichi Kanzaki, Satoru Suzuki, Hiroshi Inokawa, Yukinori Ono, Aravind Vijayaraghavan, Yoshihiro Kobayashi

    Research output: Contribution to journalArticlepeer-review

    Abstract

    Low-energy electron irradiation causes damage in single-walled carbon nanotubes and changes the electric behavior of a nanotube field-effect transistor from metallic to semiconducting at low temperature. The irradiation damage was found to form an energy barrier of several 10 meV in the nanotube channel. We show that the transition behavior can be reasonably explained by the barrier formation and gate-induced band bending. © 2007 American Institute of Physics.
    Original languageEnglish
    Article number034317
    JournalJournal of Applied Physics
    Volume101
    Issue number3
    DOIs
    Publication statusPublished - 2007

    Keywords

    • TRANSISTOR
    • DAMAGE
    • BEAM

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