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Updated: May 12, 2026

Electron Channeling Contrast Imaging for Rapid III-V Heteroepitaxial Characterization
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Electron Channeling Contrast Imaging for Rapid III-V Heteroepitaxial Characterization

Published on: July 17, 2015

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不对称吸收诱导的光谱红移在单体III-化物芯片上系统中的单体III-化物

Hao Zhang, Ziqi Ye, Jianwei Fu

    Optics express
    |June 11, 2024
    PubMed
    概括

    研究人员开发了一种单体III-化物光电子芯片,揭示了不对称的吸收导致量子井二极管中的光谱红移. 这种自我吸收现象是量子井的基础.

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    Infrared Degenerate Four-wave Mixing with Upconversion Detection for Quantitative Gas Sensing

    Published on: March 22, 2019

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    相关概念视频

    IR Absorption Frequency: Hybridization01:21

    IR Absorption Frequency: Hybridization

    Hydrocarbons such as alkanes, alkenes, and alkynes show characteristic C–H stretching absorption bands. These IR stretching frequencies depend on the hybridization of the involved carbon atom and can be explained in terms of the s character of each hybridized atomic orbital.
    Among the sp, sp2, and sp3 hybridized orbitals, sp orbitals have the maximum s character (50%). Consequently, the electrons are held more closely to the nucleus, resulting in stronger and shorter C–H bonds that stretch at a...