Open Access Nano Express

Graphitic carbon growth on crystalline and amorphous oxide substrates using molecular beam epitaxy

Sahng-Kyoon Jerng1, Dong Seong Yu1, Jae Hong Lee1, Christine Kim2, Seokhyun Yoon2 and Seung-Hyun Chun1*

Author Affiliations

1 Department of Physics and Graphene Research Institute, Sejong University, Seoul 143-747, South Korea

2 Department of Physics, Ewha University, Seoul 151-747, South Korea

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Nanoscale Research Letters 2011, 6:565  doi:10.1186/1556-276X-6-565

Published: 26 October 2011

Abstract

We report graphitic carbon growth on crystalline and amorphous oxide substrates by using carbon molecular beam epitaxy. The films are characterized by Raman spectroscopy and X-ray photoelectron spectroscopy. The formations of nanocrystalline graphite are observed on silicon dioxide and glass, while mainly sp2 amorphous carbons are formed on strontium titanate and yttria-stabilized zirconia. Interestingly, flat carbon layers with high degree of graphitization are formed even on amorphous oxides. Our results provide a progress toward direct graphene growth on oxide materials.

PACS: 81.05.uf; 81.15.Hi; 78.30.Ly.

Keywords:
graphite; molecular beam epitaxy; Raman; oxide