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首页> 外文期刊>Applied Physics A: Materials Science & Processing >Hydrazine reduced exfoliated graphene/graphene oxide layers and magnetoconductance measurements of Ge-supported graphene layers
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Hydrazine reduced exfoliated graphene/graphene oxide layers and magnetoconductance measurements of Ge-supported graphene layers

机译：肼还原剥落的石墨烯/氧化石墨烯层和Ge负载石墨烯层的磁导测量

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摘要

Inexpensive production and characteristic magnetoconductance fluctuation of Ge-supported stable graphene/graphene oxide layers are being reported. The changeover from graphite to graphene oxide structure during synthesis was evident from X-ray diffraction patterns whereas development of mono and bilayer graphene/graphene oxide was confirmed by electron microscopy studies. Responding to applied magnetic fields (up to 0.3 T), the Ge-supported graphene layers are shown to exhibit prominent magnetoconductance steps and are attributed to the alteration of Landau levels across the Fermi surface. While low-cost fabrication process is attractive for large scale production, the advantage of short synthesis time and understanding magneto-transport mechanism would find relevance in graphene-based nanodevices and circuits.
机译：据报道，锗支撑的稳定石墨烯/氧化石墨烯层的生产成本低廉，并且特征性的磁导波动。通过X射线衍射图可以明显看出合成过程中从石墨到氧化石墨烯结构的转变，而通过电子显微镜研究证实了单层和双层石墨烯/氧化石墨的发展。响应于施加的磁场（最高0.3 T），Ge支撑的石墨烯层表现出显着的磁导阶跃，并且归因于整个费米表面Landau能级的变化。虽然低成本制造工艺对于大规模生产具有吸引力，但合成时间短和了解磁传输机制的优势将在基于石墨烯的纳米器件和电路中找到相关性。

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