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Irreversible and Reversible Structural Deformation and Electromechanical Behavior of Carbon Nanohorns Probed by Conductive AFM

Authors

  • Jianxun Xu,

    1. Nano Functionality Integration Group, International Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
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  • Yoshitaka Shingaya,

    1. Nano Functionality Integration Group, International Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
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  • Hiroyuki Tomimoto,

    1. Nano Functionality Integration Group, International Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
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  • Osamu Kubo,

    1. Nano Functionality Integration Group, International Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
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  • Tomonobu Nakayama

    Corresponding author
    1. Nano Functionality Integration Group, International Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
    • Nano Functionality Integration Group, International Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan.
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Abstract

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The electrical and electromechanical properties of individual carbon nanohorn (CNH) aggregates are probed using a conductive atomic force microscope. The results showed that an individual CNH aggregate exhibits irreversible conductance responses at the initial stage of applying pressure, ascribed to the plastic deformation of the peripheral nanohorns, and reversible conductance responses afterwards, corresponding to the elastic deformation of the core.

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