Structures and dynamics of endohedral scandium metallofullerenes

H. Shinohara; M. Tansho; M. Inakuma; Y. Saito; H. Sato; N. Hayashi; T. Kato; T. Hashizume; T. Sakurai

doi:10.1142/S0218625X96001443

Structures and dynamics of endohedral scandium metallofullerenes

H. Shinohara, M. Tansho, M. Inakuma, Y. Saito, H. Sato, N. Hayashi, T. Kato, T. Hashizume, T. Sakurai

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

Abstract

The endohedral metallofullerenes, such as Sc@C₈₂, Sc₂@C₈₄, and Sc₃@C₈₂, have been purified and isolated by using two-stage high-performance liquid chromatography (HPLC). The ESR spectrum of the isolated Sc₃@C₈₂ exhibits 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 the C_3v isomer of C₈₂. 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 spherical Sc₂@C₈₄ fullerenes, spaced 11.7 Å apart, stacked in close-packed arrays.

Original language	English
Pages (from-to)	799-802
Number of pages	4
Journal	Surface Review and Letters
Volume	3
Issue number	1
DOIs	https://doi.org/10.1142/S0218625X96001443
Publication status	Published - 1996 Jan 1

ASJC Scopus subject areas

Condensed Matter Physics
Surfaces and Interfaces
Surfaces, Coatings and Films
Materials Chemistry

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title = "Structures and dynamics of endohedral scandium metallofullerenes",

abstract = "The endohedral metallofullerenes, such as Sc@C82, Sc2@C84, and Sc3@C82, have been purified and isolated by using two-stage high-performance liquid chromatography (HPLC). The ESR spectrum of the isolated Sc3@C82 exhibits 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 the C3v isomer of C82. 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 spherical Sc2@C84 fullerenes, spaced 11.7 {\AA} apart, stacked in close-packed arrays.",

author = "H. Shinohara and M. Tansho and M. Inakuma and Y. Saito and H. Sato and N. Hayashi and T. Kato and T. Hashizume and T. Sakurai",

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T1 - Structures and dynamics of endohedral scandium metallofullerenes

AU - Shinohara, H.

AU - Tansho, M.

AU - Inakuma, M.

AU - Saito, Y.

AU - Sato, H.

AU - Hayashi, N.

AU - Kato, T.

AU - Hashizume, T.

AU - Sakurai, T.

PY - 1996/1/1

Y1 - 1996/1/1

N2 - The endohedral metallofullerenes, such as Sc@C82, Sc2@C84, and Sc3@C82, have been purified and isolated by using two-stage high-performance liquid chromatography (HPLC). The ESR spectrum of the isolated Sc3@C82 exhibits 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 the C3v isomer of C82. 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 spherical Sc2@C84 fullerenes, spaced 11.7 Å apart, stacked in close-packed arrays.

AB - The endohedral metallofullerenes, such as Sc@C82, Sc2@C84, and Sc3@C82, have been purified and isolated by using two-stage high-performance liquid chromatography (HPLC). The ESR spectrum of the isolated Sc3@C82 exhibits 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 the C3v isomer of C82. 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 spherical Sc2@C84 fullerenes, spaced 11.7 Å apart, stacked in close-packed arrays.

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