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Showing 1 to 6 of 6 for “"molecular vibration"”.
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Raman scattering by a molecule adsorbed at the surface of a thin metallic film
… off the molecule inelastically, exciting a molecular vibration; the electron finally recombines with the hole emitting the Raman scattered photon. This is one of the mechanisms proposed by Burstein and co-workers (1). The electrons in the film are confined by infinite potential barriers at …
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Infrared Frequency Shifting in Thermally- and Mechanically-Stressed Polymers (Anharmonicity, Nonequilibrium, Ftir, Fourier, Transform, Spectrometer)
… chain, usually resulting in the reduction of the molecular vibration frequency as revealed by the transmission infrared spectroscopy of stressed polymer films. The effect of stress and temperature on infrared frequency shifting and band asymmetry in polymers is investigated experimentally and …
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Effects of a vibrationally excited gas on viscous shock-layer flows
… nitrogen and oxygen in which all internal molecular energies including molecular vibration are considered. This leads to an adequate thermodynamic description of air up to dissociation. The thermodynamic and transport properties of this "vibrationally excited" gas are presented and compared …
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Quantum localization and quantum scrambling in molecular systems
Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2026-05-01
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Ultrafast Raman Scattering in Plasmonic Nanocavities
When bound to metals, molecular vibrations play a key role in sensing, catalysis, molecular electronics and beyond, but investigating their coherence and dynamics is difficult as pulsed experiments prove very challenging. In this thesis, I study vibrations of 1-1000 molecules in a plasmonic …
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The Relationship Between DNA's Physical Properties and the DNA Molecule's Harmonic Signature, and Related Motion in Water--A Computational Investigation
… 'room temperature', it experiences a natural vibration due to the Brownian motion of the particles in the water colliding with the DNA. The null hypothesis is that there is no evidence to suggest a relationship between DNA's motion and strand length, while the alternative hypothesis is that …