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Report No.

Epitaxy of graphene on Si substrates toward three-dimensional graphene devices

Fukidome, Hirokazu*; Miyamoto, Yu*; Handa, Hiroyuki*; Takahashi, Ryota*; Imaizumi, Kei*; Suemitsu, Maki*; Yoshigoe, Akitaka ; Teraoka, Yuden

Graphene, two-dimensional network of sp$$^{2}$$ carbon, is one of promising materials beyond CMOS, as described in the semiconductor roadmap. The major issue is a lack of reasonable process for epitaxial growth on substrates. In fact, current production methods, such as exfoliation from graphite and epitaxy on SiC single crystals, are not mass-productive. We are seeking the ways to develop graphene-on-silicon (3D-GOS) process to match recent trends of silicon technologies. One of key issues toward 3D-GOS is the formation of epitaxial graphene on main plane directions of silicon, such as (100), (110) and (111). In this article, large area epitaxy of graphene on Si(110), Si(100) and Si(111) is presented. The result must be a good news because it can open new and realistic ways to three-dimensionally fabricate graphene-based devices beyond CMOS.



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