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What is Hydrogen Plasma Graphene Edge Quality about?

The study characterizes hydrogen plasma defined graphene edges using Raman spectroscopy, atomic resolution AFM, and electronic transport measurements. High quality zigzag edges are observed on graphite, while single layer graphene on hexagonal boron nitride shows significant edge disorder indicated by a D-peak in Raman spectra. The findings suggest a need for optimization in the hydrogen plasma etching process to achieve pure crystalline graphene edges.

Author
tuantntnt12
Language
EN