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Optical properties of nanowires synthesized in regular nanochannels of porous matrices

机译：纳米线的光学性质在多孔基质常规纳米烷基中合成

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摘要

Arrays of nanowires were synthesized in a matrix of natural chrysotile. It was found that the diameter of the nanowires was about 5 nm, the length was close to 1 cm. X-ray diffraction showed that the nanowires have a polycrystalline structure. The results of an experimental study of Raman scattering in Se and InSb nanowires are presented. Analysis of the experimental results showed that the frequencies of optical phonons in Se nanowires are close to the frequencies of phonons in bulk samples. The frequencies of optical phonons in InSb nanowires differ significantly from those in bulk samples, which are apparently related to the interaction of optical phonons and conduction electrons. The properties of conduction electrons differ greatly when they propagate along or across the nanowire. Therefore, Raman scattering is anisotropic in nature. As result, the experimental spectra vary depending on the polarization of the incident optical radiation along or across the nanowires.
机译：纳米线阵列以天然菊粉的基质合成。发现纳米线的直径为约5nm，长度接近1cm。 X射线衍射显示纳米线具有多晶结构。提出了SE和INSB纳米线中拉曼散射的实验研究的结果。对实验结果的分析表明，SE纳米线中光学声音的频率接近散装样品中子宫的频率。 INSB纳米线中的光学声音的频率显着不同于散装样本中的那些，这显然与光学声子和传导电子的相互作用有关。当沿纳米线或沿纳米线传播或穿过纳米线的传播时，传导电子的性质很大。因此，拉曼散射本质上是各向异性的。结果，实验光谱根据纳米线的入射光辐射的偏振而变化。

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  • 来源
    《Optical and quantum electronics》 |2020年第4期|218.1-218.7|共7页
  • 作者

    V. I. Belotitskii; A. V. Fokin; Y. A. Kumzerov; A. A. Sysoeva;

  • 作者单位

    Ioffe Institute 26 Politekhnicheskaya St Petersburg 194021 Russian Federation;

    Ioffe Institute 26 Politekhnicheskaya St Petersburg 194021 Russian Federation;

    Ioffe Institute 26 Politekhnicheskaya St Petersburg 194021 Russian Federation;

    Ioffe Institute 26 Politekhnicheskaya St Petersburg 194021 Russian Federation;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Chrysotile; Nanowires; Raman scattering; InSb; Anisotropy;

    机译：菊花;纳米线;拉曼散射;INSB;各向异性;

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