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首页> 外文期刊>Japanese journal of applied physics >Local optical absorption spectra of h-BN-MoS2 van der Waals heterostructure revealed by scanning near-field optical microscopy
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Local optical absorption spectra of h-BN-MoS2 van der Waals heterostructure revealed by scanning near-field optical microscopy

机译:h-BN-MoS2范德华异质结构的局部吸收光谱通过扫描近场光学显微镜揭示

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摘要

Van der Waals (vdW) heterostructures, in which different two-dimensional layered materials are stacked, can exhibit unprecedented optical properties. Development of a technique to clarify local optical properties of vdW heterostructures is of great importance for the correct understanding of their backgrounds. Here, we examined local optical absorption spectra of h-BN-MoS2 vdW heterostructures by scanning near-field microscopy measurements with a spatial resolution of 100 nm. In an as-grown sample, there was almost no site dependence of their optical absorption spectra. However, in a degraded sample where defects and deformations were artificially induced, a significant site-dependence of optical absorption spectra was observed. (C) 2016 The Japan Society of Applied Physics
机译:范德华(vdW)异质结构(其中堆叠了不同的二维分层材料)可以显示出空前的光学性能。阐明vdW异质结构的局部光学性质的技术的开发对于正确理解其背景非常重要。在这里,我们通过扫描具有100 nm空间分辨率的近场显微镜测量来检查h-BN-MoS2 vdW异质结构的局部光吸收光谱。在一个成长期的样品中,几乎没有位置依赖于它们的光吸收光谱。但是,在人为诱发缺陷和变形的降解样品中,观察到光吸收光谱的显着位置依赖性。 (C)2016年日本应用物理学会

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  • 来源
    《Japanese journal of applied physics》 |2016年第6s1期|06GB01.1-06GB01.3|共3页
  • 作者单位

    Tokyo Metropolitan Univ, Dept Phys, Hachioji, Tokyo 1920397, Japan;

    Tokyo Metropolitan Univ, Dept Phys, Hachioji, Tokyo 1920397, Japan;

    Tokyo Metropolitan Univ, Dept Phys, Hachioji, Tokyo 1920397, Japan|JST, PRESTO, Kawaguchi, Saitama 3320012, Japan;

    Tokyo Metropolitan Univ, Dept Phys, Hachioji, Tokyo 1920397, Japan;

    Natl Inst Mat Sci, Tsukuba, Ibaraki 3050044, Japan;

    Natl Inst Mat Sci, Tsukuba, Ibaraki 3050044, Japan;

    Tokyo Metropolitan Univ, Dept Phys, Hachioji, Tokyo 1920397, Japan;

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