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Fabrication of graphene nanoelectronic devices on SOI structures
Fabrication of graphene nanoelectronic devices on SOI structures
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机译:在SOI结构上制备石墨烯纳米电子器件
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摘要
A semiconductor-on-insulator structure and a method of forming the silicon-on-insulator structure including an integrated graphene layer are disclosed. In an embodiment, the method comprises processing a silicon material to form a buried oxide layer within the silicon material, a silicon substrate below the buried oxide, and a silicon-on-insulator layer on the buried oxide. A graphene layer is transferred onto the silicon-on-insulator layer. Source and drain regions are formed in the silicon-on-insulator layer, and a gate is formed above the graphene. In one embodiment, the processing includes growing a respective oxide layer on each of first and second silicon sections, and joining these silicon sections together via the oxide layers to form the silicon material. The processing, in an embodiment, further includes removing a portion of the first silicon section, leaving a residual silicon layer on the bonded oxide, and the graphene layer is positioned on this residual silicon layer.
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