Characterizations of as grown and functionalized epitaxial graphene grown on SiC surfaces
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Micro-Raman analysis of the influence of hydrogen intercalation on the epitaxial graphene grown on 4H-SiC(0001) substrate K.Grodecki
It is commonly accepted that properties of epitaxial graphene (EG) grown on SiC are determined by interaction with substrate. It was found, that hydrogen intercalation of EG grown on SiC(0001) substrates by sublimation is a promising method to increase the mobility of carriers [1]. As verified by Raman spectroscopy [2] sublimation grown samples show much stronger interaction with the SiC substr...
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Micro-Raman and micro-transmission imaging experiments have been done on epitaxial graphene grown on the C- and Si-faces of on-axis 6H-SiC substrates. On the C-face it is shown that the SiC sublimation process results in the growth of long and isolated graphene ribbons (up to 600 μm) that are strain-relaxed and lightly p-type doped. In this case, combining the results of micro-Raman spectroscop...
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After the pioneering investigations into graphene-based electronics at Georgia Tech, great strides have been made developing epitaxial graphene on silicon carbide (EG) as a new electronic material. EG has not only demonstrated its potential for large scale applications, it also has become an important material for fundamental two-dimensional electron gas physics. It was long known that graphene...
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Graphene has been intensively studied in recent years in order to take advantage of its unique properties. Its synthesis on SiC substrates by solid-state graphitization appears a suitable option for graphene-based electronics. However, before developing devices based on epitaxial graphene, it is desirable to understand and finely control the synthesis of material with the most promising propert...
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تاریخ انتشار 2015