Isotope effects in Eley–Rideal abstraction of hydrogen from tungsten surfaces: the role of dissipation

IF 2.9 3区 化学 Q3 CHEMISTRY, PHYSICAL Physical Chemistry Chemical Physics Pub Date : 2025-01-06 DOI:10.1039/D4CP04063E
Oihana Galparsoro, Raidel Martin-Barrios, Paulo Enrique Ibañez-Almaguer, Maykel Márquez-Mijares, José David Cremé, Yosvany Silva-Solis, Jesús Rubayo-Soneira, Cédric Crespos and Pascal Larregaray
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Abstract

Molecular dynamics simulations are performed to investigate the influence of isotope substitutions on the Eley–Rideal recombination dynamics of hydrogen isotopes from the (100) and (110) surfaces of tungsten. Dissipation of electrons and phonons is taken into account by, respectively, the local density friction approximation and the general Langevin oscillator, effective models which have been intensively used in recent years. As the coupling to surface phonons and electrons might be altered by the mass combination, the main objective of the paper is to assess the role of dissipation to the surface in the course of abstraction.

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从钨表面提取氢的eley - ideal同位素效应:耗散的作用。
通过分子动力学模拟研究了同位素取代对钨(100)和(110)表面氢同位素的Eley-Rideal复合动力学的影响。电子和声子的耗散分别由局部密度摩擦近似和一般朗之万振子这两种近年来被广泛使用的有效模型来考虑。由于与表面声子和电子的耦合可能会因质量组合而改变,因此本文的主要目的是评估抽象过程中对表面耗散的作用。已经观察到,弹丸的质量是消能通道能力的主要决定因素。
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来源期刊
Physical Chemistry Chemical Physics
Physical Chemistry Chemical Physics 化学-物理:原子、分子和化学物理
CiteScore
5.50
自引率
9.10%
发文量
2675
审稿时长
2.0 months
期刊介绍: Physical Chemistry Chemical Physics (PCCP) is an international journal co-owned by 19 physical chemistry and physics societies from around the world. This journal publishes original, cutting-edge research in physical chemistry, chemical physics and biophysical chemistry. To be suitable for publication in PCCP, articles must include significant innovation and/or insight into physical chemistry; this is the most important criterion that reviewers and Editors will judge against when evaluating submissions. The journal has a broad scope and welcomes contributions spanning experiment, theory, computation and data science. Topical coverage includes spectroscopy, dynamics, kinetics, statistical mechanics, thermodynamics, electrochemistry, catalysis, surface science, quantum mechanics, quantum computing and machine learning. Interdisciplinary research areas such as polymers and soft matter, materials, nanoscience, energy, surfaces/interfaces, and biophysical chemistry are welcomed if they demonstrate significant innovation and/or insight into physical chemistry. Joined experimental/theoretical studies are particularly appreciated when complementary and based on up-to-date approaches.
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