Metallic single-walled silicon nanotubes

Jaeil Bai, X. C. Zeng, Hideki Tanaka, J. Y. Zeng

Research output: Contribution to journalArticlepeer-review

118 Scopus citations


Atomistic computer-simulation evidences are presented for the possible existence of one-dimensional silicon nanostructures: the square, pentagonal, and hexagonal single-walled silicon nanotubes (SWSNTs). The local geometric structure of the SWSNTs differs from the local tetrahedral structure of cubic diamond silicon, although the coordination number of atoms of the SWSNTs is still fourfold. Ab initio calculations show that the SWSNTs are locally stable in vacuum and have zero band gap, suggesting that the SWSNTs are possibly metals rather than wide-gap semiconductors.

Original languageEnglish (US)
Pages (from-to)2664-2668
Number of pages5
JournalProceedings of the National Academy of Sciences of the United States of America
Issue number9
StatePublished - Mar 2 2004

ASJC Scopus subject areas

  • General

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