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Updated: Jun 16, 2026

High Resolution Phonon-assisted Quasi-resonance Fluorescence Spectroscopy
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High Resolution Phonon-assisted Quasi-resonance Fluorescence Spectroscopy

Published on: June 28, 2016

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表面晶格共振,在不对称的环境中增强近红外性能

Pascal Cheng1, Stéphanie Lau-Truong1, Sarra Gam-Derouich1

  • 1Université Paris Cité, Laboratoire ITODYS, CNRS, F-75006 Paris, France. nordin.felidj@u-paris.fr.

Nanoscale
|September 8, 2025
PubMed
概括

这项研究提高了在空气中的等离子性能,使用在氧化物 (ITO) 基板上的表面格子共振 (SLR). 这种方法显著提高了先进的等离子应用的质量因子 (Q-因子).

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IR Spectrum Peak Splitting: Symmetric vs Asymmetric Vibrations01:08

IR Spectrum Peak Splitting: Symmetric vs Asymmetric Vibrations

Identical bonds within a polyatomic group can stretch symmetrically (in-phase) or asymmetrically (out-of-phase). Similar to hydrogen bonding, these vibrations also influence the shape of the IR peak. Generally, asymmetric stretching frequencies are higher than symmetric stretching frequencies. For example, primary amines exhibit two distinct IR peaks between 3300–3500 cm−1 corresponding to the symmetric and asymmetric N-H stretching, while secondary amines exhibit a single stretching vibration...