Possible formation of one-dimensional chains of C20 fullerenes observed by scanning tunneling microscopy. (2nd March 2016)

• Record Type: Journal Article
• Authors: Kurokawa, Shu; Yamamoto, Daisuke; Hirashige, Kenji; Sakai, Akira
• Is Part Of: Applied physics express. Volume 9:Number 4(2016:Apr.)
• Publication Date: 2016-03-02
• Subjects: Physics -- Periodicals; Technology -- Periodicals; 621.05
• DOI: 10.7567/APEX.9.045102
• Languages: English
• ISSNs: 1882-0778

Abstract

Abstract: We found one-dimensional chains of carbon particles on Ag(111) and Au(111) surfaces after the deposition of carbon using an arc-plasma gun (APG). The observed periodicity of the chains on Ag(111) was 0.58–0.6 nm. Ex situ Fourier transform infrared (FT-IR) spectroscopy indicated two peaks at 1343 and 1406 cm −1 . The simulation of the infrared spectrum for a tetramer of C20 fullerenes showed good agreement with the experimental result. From these findings, we propose the formation of chains of C20 fullerenes as the most probable explanation of the results of both scanning tunneling microscopy (STM) and FT-IR spectroscopy.