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相关论文: Dissociative Electron Attachment to Polyatomic Mol…

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In this paper, we discuss the dissociative electron attachment process in Ammonia. Kinetic energy and angular distributions of H^{-} and NH_{2}^{-} fragment anions across the two well known resonances at 5.5 eV and 10.5 eV are reported. The…

化学物理 · 物理学 2010-07-30 N. Bhargava Ram , E. Krishnakumar

Using the velocity map imaging technique, we studied and characterized the process of Dissociative Electron Attachment (DEA) in polyatomic molecules like Water, Hydrogen Sulphide, Ammonia, Methane, Formic Acid and Propyl Amine. We present…

化学物理 · 物理学 2010-07-30 N. Bhargava Ram , V. S. Prabhudesai , E. Krishnakumar

In this paper, we discuss the dissociative electron attachment process in Methane. Kinetic energy and angular distributions of H^{-} and CH_{2}^{-} fragment anions across the broad resonance about 10 eV is reported. Angular distribution of…

化学物理 · 物理学 2010-07-30 N. Bhargava Ram , E. Krishnakumar

In the present paper, we report the details of the kinetic energy and angular distributions of the H^{-}, S^{-}/SH^{-} fragment ions produced due to dissociative electron attachment in H_{2}S molecules at resonances peaking at 2.2 eV, 5.2…

化学物理 · 物理学 2010-07-30 N. Bhargava Ram , E. Krishnakumar

Motivated by the huge need of data for non-equilibrium plasma modeling, a theoretical investigation of dissociative electron attachment to the NO molecule is performed. The calculations presented here are based on the…

原子物理 · 物理学 2020-12-02 V. Laporta , I. F. Schneider , J. Tennyson

Complete dissociation dynamics of low energy electron attachment to ammonia molecule has been studied using velocity slice imaging (VSI) spectrometer. One low energy resonant peak around 5.5 eV and a broad resonance around 10.5 eV incident…

原子与分子团簇 · 物理学 2019-09-11 Dipayan Chakraborty , Aranya Giri , Dhananjay Nandi

The fragmentation of 1-propanol resulting from dissociative electron attachment has been explored across an energy range of 3.5 to 16 eV. Four distinct ion species are identified: $\text{H}^{-}$, $\text{O}^{-}$, $\text{OH}^{-}$, and…

原子与分子团簇 · 物理学 2026-02-06 Soumya Ghosh , Dipayan Chakraborty , Anirban Paul , Dhananjay Nandi

Kinetic energy and angular distributions of O$^-$ ions formed by dissociative electron attachment to CO molecule have been studied for 9, 9.5, 10, 10.5, 11, 11.5 eV incident electron energies around the resonance using time sliced velocity…

原子与分子团簇 · 物理学 2015-02-10 Pamir Nag , Dhananjay Nandi

We present experimental results for dissociative electron attachment to acetylene near the 3 eV $^2\Pi_g$ resonance. In particular, we use an ion-momentum imaging technique to investigate the dissociation channel leading to C$_2$H$^-$…

化学物理 · 物理学 2014-10-29 M. Fogle , D. J. Haxton , A. L. Landers , A. E. Orel , T. N. Rescigno

Dissociative electron attachment (DEA) shows functional group-dependent site selectivity in the $H^-$ ion channel. In this context, the thiol functional group has yet to be studied in great detail, although this functional group carries…

化学物理 · 物理学 2024-04-17 Sukanta Das , Vaibhav S. Prabhudesai

Exploring the molecular fragmentation dynamics induced by low-energy electrons offers compelling insights into the complex interplay between the projectile and target. In this study, we investigate the phenomenon of dissociative electron…

原子与分子团簇 · 物理学 2024-01-05 Anirban Paul , Ian Carmichael , Dhananjay Nandi , Sylwia Ptasinska , Dipayan Chakraborty

We report the results of a joint experimental {and} theoretical study of dissociative electron attachment to formic acid (HCOOH) in the 6-9 eV region, where H$^-$ fragment ions are a dominant product. Breaking of the CH and OH bonds is…

Dissociative electron attachment, that is, the cleavage of chemical bonds induced by low-energy electrons, is difficult to model with standard quantum-chemical methods because the involved anions are not bound but subject to autodetachment.…

化学物理 · 物理学 2022-10-03 Jerryman A. Gyamfi , Thomas -C. Jagau

Complete dissociation dynamics of low-energy electron attachment to carbon disulfide have been studied using the velocity slice imaging (VSI) technique. The ion yields of S- and CS- fragment ions as the function of incident electron energy…

原子与分子团簇 · 物理学 2022-09-28 Anirban Paul , Dhananjay Nandi

We report experimental results on three-dimensional momentum imaging measurements of anions generated via dissociative electron attachment to gaseous formamide. From the momentum images, we analyze the angular and kinetic energy…

We present a study of dissociative electron attachment and vibrational excitation processes in electron collisions with the CF$_3$Cl molecule. The calculations are based on the two-dimensional nuclear dynamics including the C-Cl symmetric…

化学物理 · 物理学 2011-12-09 Michal Tarana , Karel Houfek , Jiří Horáček , Ilya I. Fabrikant

State-by-state cross sections for dissociative electron attachment and electron-impact dissociation for molecular oxygen are computed using ab initio resonance curves calculated with the R-matrix method. When O2 is in its vibrational ground…

等离子体物理 · 物理学 2015-01-09 V. Laporta , R. Celiberto , J. Tennyson

The transfer of charges, including electrons and holes, is a key step in heterogeneous catalysis, taking part in the reduction and oxidation of adsorbate species on catalyst surfaces. In plasmonic catalysis, electrons can transfer from…

材料科学 · 物理学 2024-08-13 Robin E. Moorby , Valentina Parravicini , Thomas-C. Jagau , Maristella Alessio

Complete dissociation dynamics of low energy electron attachment to nitrogen dioxide around 8.5 eV resonance has been studied using a velocity map imaging (VMI) spectrometer. Besides the three prominent resonant peaks at around 1.4 eV, 3.1…

原子与分子团簇 · 物理学 2023-04-25 Anirban Paul , Dipayan Biswas , Dhananjay Nandi

Dissociative electron attachment (DEA) to the HNC$_3$ is modeled theoretically using a first-principles approach. In HNC$_3$+$e^-$ collisions, there is a low-energy resonance, which has a repulsive character along the H+NC$_3$ coordinate…

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