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A visualization method for probing grain boundaries of single layer graphene via molecular beam epitaxy

机译:一种通过分子束外延探测单层石墨烯晶界的可视化方法

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摘要

Graphene, a member of layered two-dimensional (2D) materials, possesses high carrier mobility, mechanical flexibility, and optical transparency, as well as enjoying a wide range of promising applications in electronics. Adopting the chemical vaporization deposition method, the majority of investigators have ubiquitously grown single layer graphene (SLG), which inevitably involves polycrystalline properties. Here we demonstrate a simple method for the direct visualization of arbitrarily large-size SLG domains by synthesizing one-hundred-nm-scale MoS2 single crystals via a high-vacuum molecular beam epitaxy process. The present study based on epitaxial growth provides a guide for probing the grain boundaries of various 2D materials and implements higher potentials for the next-generation electronic devices.
机译:图石墨烯是层状二维(2D)材料的构件具有高载流子迁移率,机械柔韧性和光学透明度,以及享受电子设备的各种有前途的应用。 采用化学蒸发沉积方法,大多数研究人员普遍存在的单层石墨烯(SLG),这不可避免地涉及多晶特性。 在这里,我们通过高真空分子束外延工艺合成一百NM级MOS2单晶,证明了一种简单的方法,用于通过合成一百NM级MOS2单晶来直接可任意大尺寸的SLG域。 基于外延生长的本研究提供了一种用于探测各种2D材料的晶界的指南,并实现下一代电子设备的较高电位。

著录项

  • 来源
    《Nanotechnology》 |2017年第30期|共6页
  • 作者单位

    Xiamen Univ Dept Phys State Key Lab Phys Chem Solid Surfaces Xiamen 361005 Peoples R China;

    Xiamen Univ Dept Phys State Key Lab Phys Chem Solid Surfaces Xiamen 361005 Peoples R China;

    Xiamen Univ Dept Phys State Key Lab Phys Chem Solid Surfaces Xiamen 361005 Peoples R China;

    Xiamen Univ Dept Phys State Key Lab Phys Chem Solid Surfaces Xiamen 361005 Peoples R China;

    Xiamen Univ Dept Phys State Key Lab Phys Chem Solid Surfaces Xiamen 361005 Peoples R China;

    Xiamen Univ Dept Phys State Key Lab Phys Chem Solid Surfaces Xiamen 361005 Peoples R China;

    Xiamen Univ Dept Phys State Key Lab Phys Chem Solid Surfaces Xiamen 361005 Peoples R China;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 特种结构材料;
  • 关键词

    grain boundary; direct visualization; molecular beam epitaxy;

    机译:晶界;直接可视化;分子束外延;

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