Articles with "vibrational relaxation" as a keyword



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Novel approach for evaluation of CO2 vibrational relaxation times

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Published in 2021 at "Chemical Physics Letters"

DOI: 10.1016/j.cplett.2020.138288

Abstract: Abstract Vibrational relaxation times in carbon dioxide are studied theoretically in one-temperature and multi-temperature approaches on the basis of the kinetic theory. Relaxation times are evaluated in the temperature range 500–10000 K using various models for… read more here.

Keywords: approach evaluation; relaxation; novel approach; relaxation times ... See more keywords
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Work Function Dependence of Vibrational Relaxation Probabilities: NO(v = 2) Scattering from Ultrathin Metallic Films of Ag/Au(111)

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Published in 2018 at "Journal of Physical Chemistry C"

DOI: 10.1021/acs.jpcc.8b01950

Abstract: We present measurements on the vibrational relaxation of NO(v = 2) scattered from atomically defined thin films of Ag on Au(111). The vibrational relaxation probability is strongly dependent on film thickness, increasing with each of… read more here.

Keywords: relaxation; work function; vibrational relaxation; films 111 ... See more keywords
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The C(3P) + O2(3Σg−) → CO2 ↔ CO(1Σ+) + O(1D)/O(3P) reaction: thermal and vibrational relaxation rates from 15 K to 20 000 K†

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Published in 2021 at "Physical Chemistry Chemical Physics"

DOI: 10.1039/d1cp01101d

Abstract: Thermal rates for the C(3P) + O2(3Σg−) ↔ CO(1Σ+)+ O(1D)/O(3P) reaction are investigated over a wide temperature range based on quasi classical trajectory (QCT) simulations on 3-dimensional, reactive potential energy surfaces (PESs) for the 1A′,… read more here.

Keywords: thermal vibrational; relaxation; vibrational relaxation; co2 reaction ... See more keywords
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Generalised Landau–Teller fitting of the vibrational relaxation rates in atom–diatom collisions: O2–Ar system as a case study

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Published in 2021 at "Molecular Physics"

DOI: 10.1080/00268976.2021.1938266

Abstract: The common trajectory effective mass (CTEM) approach is applied to the calculation of the temperature dependence of the vibrational relaxation rate coefficient k 10 in collisions of a diatomic molecule with chemically inert atom on… read more here.

Keywords: landau teller; relaxation; temperature; vibrational relaxation ... See more keywords
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Mechanical Vibrational Relaxation of NO Scattering from Metal and Insulator Surfaces: When and Why They Are Different.

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Published in 2021 at "Physical review letters"

DOI: 10.1103/physrevlett.126.156101

Abstract: NO scattering from metallic and insulating surfaces represents contrasting benchmark systems for understanding energy transfer at gas-surface interface. Strikingly different behaviors of highly vibrationally excited NO scattered from Au(111) and LiF(001) were observed and attributed… read more here.

Keywords: vibrational relaxation; energy transfer; mechanical vibrational; scattering metal ... See more keywords
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Charge-State Dependent Vibrational Relaxation in a Single-Molecule Junction.

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Published in 2022 at "Physical review letters"

DOI: 10.1103/physrevlett.129.207702

Abstract: The outcome of an electron-transfer process is determined by the quantum-mechanical interplay between electronic and vibrational degrees of freedom. Nonequilibrium vibrational dynamics are known to direct electron-transfer mechanisms in molecular systems; however, the structural features… read more here.

Keywords: charge state; vibrational relaxation; molecule; state dependent ... See more keywords
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State-Specific Modeling of Vibrational Relaxation and Nitric Oxide Formation in Shock-Heated Air

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Published in 2017 at "Journal of Thermophysics and Heat Transfer"

DOI: 10.2514/1.t5271

Abstract: A vibration-specific approach is employed to describe vibrational relaxation and reactive processes in shock-heated air. Models are implemented that include results from recent theoretical calculat... read more here.

Keywords: heated air; vibrational relaxation; shock heated;