• YI ZHANG

      Articles written in Bulletin of Materials Science

    • Role of temperature and Ar flow on the uniformity of epitaxial graphene grown on SiC

      ZHENZHEN ZHANG DONGXUN YANG GANG DONG RUI LI YI ZHANG RAMIRO MORO YANQING MA LEI MA

      More Details Abstract Fulltext PDF

      Finite element methods based numerical simulations and experiments are conducted to systematically investigate the influence of temperature distribution and working gas flow to the growth of epitaxial graphene on SiC. It demonstrates the key role of temperature uniformity on the sample, which determines the coverage rate and quality of the grown graphene, as well as Ar flow for regulating the silicon partial vapour pressure. An optimized crucible was designed accordingly, which is successfully applied to prepare high coverage epitaxial graphene on the (0001) facet of SiC with great uniformity. Those insights might benefit the large-area high-quality epi-graphene growth for future industrial applications.

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