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Structures And Dynamics Of Endohedral Scandium Metallofullerenes

Author

Listed:
  • H. SHINOHARA

    (Department of Chemistry, Nagoya University, Nagoya 464, Japan)

  • M. TANSHO

    (Department of Chemistry, Nagoya University, Nagoya 464, Japan)

  • M. INAKUMA

    (Department of Chemistry, Nagoya University, Nagoya 464, Japan)

  • Y. SAITO

    (School of Engineering, Mie University, Mie 514, Japan)

  • H. SATO

    (School of Engineering, Mie University, Mie 514, Japan)

  • N. HAYASHI

    (School of Engineering, Mie University, Mie 514, Japan)

  • T. KATO

    (Institute for Molecular Science, Okazaki 444, Japan)

  • T. HASHIZUME

    (Institute for Materials Research, Tohoku University, Sendai 980, Japan)

  • T. SAKURAI

    (Institute for Materials Research, Tohoku University, Sendai 980, Japan)

Abstract

The endohedral metallofullerenes, such asSc@C82,Sc2@C84, andSc3@C82, have been purified and isolated by using two-stage high-performance liquid chromatography (HPLC). The ESR spectrum of the isolatedSc3@C82exhibits a perfectly symmetric 22 hyperfined splittings with an inherent linewidth of 0.77 Gauss at 220 K, which is consistent with a unique structure that three scandium atoms are encaged triangularly within theC3visomer ofC82. In addition, we report the direct imaging of the isolated discandium fullerene(Sc2@C84)on silicon clean surfaces in an ultrahigh-vacuum environment by utilizing scanning tunneling microscopy (STM). The STM images reveal sphericalSc2@C84fullerenes, spaced 11.7 Å apart, stacked in close-packed arrays.

Suggested Citation

  • H. Shinohara & M. Tansho & M. Inakuma & Y. Saito & H. Sato & N. Hayashi & T. Kato & T. Hashizume & T. Sakurai, 1996. "Structures And Dynamics Of Endohedral Scandium Metallofullerenes," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 3(01), pages 799-802.
    • Handle: RePEc:wsi:srlxxx:v:03:y:1996:i:01:n:s0218625x96001443
    DOI: 10.1142/S0218625X96001443
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