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Advanced Materials

Molecular Scale Control of Unbound and Bound C60 for Topochemical Ultradense Data Storage in an Ultrathin C60 Film

Authors

  • Masato Nakaya,

    1. International Center for Materials Nanoarchitectonics (MANA) National Institute for Materials Science (NIMS) 1-1 Namiki, Tsukuba, Ibaraki 305-0044 (Japan)
    2. Department of Precision Science and Technology Graduate School of Engineering, Osaka University 2-1 Yamadaoka, Suita, Osaka 565-0871 (Japan)
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  • Shigeru Tsukamoto,

    1. International Center for Materials Nanoarchitectonics (MANA) National Institute for Materials Science (NIMS) 1-1 Namiki, Tsukuba, Ibaraki 305-0044 (Japan)
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  • Yuji Kuwahara,

    1. Department of Precision Science and Technology Graduate School of Engineering, Osaka University 2-1 Yamadaoka, Suita, Osaka 565-0871 (Japan)
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  • Masakazu Aono,

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

    Corresponding author
    1. International Center for Materials Nanoarchitectonics (MANA) National Institute for Materials Science (NIMS) 1-1 Namiki, Tsukuba, Ibaraki 305-0044 (Japan)
    2. Graduate School of Pure and Applied Sciences, University of Tsukuba 1-1 Namiki, Tsukuba, Ibaraki 305-0044 (Japan)
    • International Center for Materials Nanoarchitectonics (MANA) National Institute for Materials Science (NIMS) 1-1 Namiki, Tsukuba, Ibaraki 305-0044 (Japan).
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Abstract

Molecular-scale control of unbound and bound states of C60 molecules is achieved at room temperature. Using this method, single-molecule-level writing, erasing, and rewriting bits are demonstrated: A single surface C60 molecule represents “1” or “0” of binary data depending on whether the C60 molecule is depressed due to dimerization or trimerization with an underlying C60 molecule or not.

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