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ID 34138
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Author
Fujiki, Satoshi
Hosokawa, Tomoko
Kanbara, Takayoshi
Fujiwara, Akihiko
Nonogaki, Youichi
Urisu, Tsuneo
Abstract

Dy@C-82 and Dy@C-60 adsorbed on Si(111)-(7x7) surface are investigated by scanning tunneling microscopy (STM) at 295 K. The Dy@C-82 molecules in the first layer are adsorbed on the Si(111)-(7x7) surface without formation of islands and nucleation, and the internal structure of the Dy@C-82 molecule is first observed on the surface at 295 K. The average heights of the Dy@C-82 molecules in the first and second layers are estimated to be 7.2 and 10.8 A, respectively, by STM. These results suggest strong interactions between the Si atoms and the Dy@C-82 molecules in the first layer. The STM image reveals that the Dy@C-60 molecule is nearly spherical, showing that the metal endohedral C-60 possesses a cage-form structure.

Keywords
endohedral metallofullerenes
electronic-properties
c-60
Note
Digital Object Identifer:10.1103/PhysRevB.69.045415
Published with permission from the copyright holder. This is the institute's copy, as published in Physical Review B, July 2003, Volume 69, Issue 4, Pages 5.
Publisher URL:http://dx.doi.org/10.1103/PhysRevB.69.045415
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Copyright ©2004 The American Physical Society. All rights reserved.
Published Date
2003-7
Publication Title
Physical Review B
Volume
volume69
Issue
issue4
Content Type
Journal Article
language
英語
Refereed
True
DOI
Web of Science KeyUT
Submission Path
physics_general/9