Scoring molecular wires subject to an ultrafast laser pulse for molecular electronic devices.
Sign Up to like & getrecommendations! Published in 2023 at "Journal of computational chemistry"
DOI: 10.1002/jcc.27126
Abstract: A nonionizing ultrafast laser pulse of 20-fs duration with a peak amplitude electric-field ±E = 200 × 10-4 a.u. was simulated. It was applied to the ethene molecule to consider its effect on the electron dynamics, both during the… read more here.
Keywords: laser; ultrafast laser; molecular electronic; electronic devices ... See more keywords
Conservative finite‐difference scheme for computer simulation of contrast 3D spatial‐temporal structures induced by a laser pulse in a semiconductor
Sign Up to like & getrecommendations! Published in 2020 at "Mathematical Methods in the Applied Sciences"
DOI: 10.1002/mma.6245
Abstract: The numerical approach for computer simulation of femtosecond laser pulse interaction with a semiconductor is considered under the formation of 3D contrast time‐dependent spatiotemporal structures. The problem is governed by the set of nonlinear partial… read more here.
Keywords: computer simulation; difference; laser pulse; finite difference ... See more keywords
Effect of Mixing at the Fuel–Ablator Interface on the Burning of Inertial Confinement Fusion Targets Upon Direct Irradiation with a Megajoule Laser Pulse
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Russian Laser Research"
DOI: 10.1007/s10946-017-9631-y
Abstract: We present the results of theoretical and numerical research on the burning of spherical thermonuclear targets under conditions where the peripheral part of the deuterium–tritium plasma is mixed with the surrounding inert substance of the… read more here.
Keywords: irradiation; laser; effect mixing; ablator ... See more keywords
Generation of Low-Frequency Radiation Under the Laser Pulse Effect on a Plasma in a Magnetic Field
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Russian Laser Research"
DOI: 10.1007/s10946-019-09827-y
Abstract: We reveal the possibility of a low-frequency radiation generation at a normal incidence of the laser pulse on a dense plasma in a constant magnetic field. The generation occurs due to the motion of electrons… read more here.
Keywords: laser; frequency; laser pulse; magnetic field ... See more keywords
Dual-phase-lag model on micropolar thermoelastic rotating medium under the effect of thermal load due to laser pulse
Sign Up to like & getrecommendations! Published in 2019 at "Indian Journal of Physics"
DOI: 10.1007/s12648-019-01552-1
Abstract: The present investigation deals with the deformation in micropolar thermoelastic medium with dual-phase-lag theory due to rotation subjected to the thermal laser pulse. The normal mode analysis technique is used to solve the problem. The… read more here.
Keywords: laser; phase lag; medium; laser pulse ... See more keywords
Investigation of electron beam parameters in laser wakefield acceleration using skewed laser pulse and external magnetic field
Sign Up to like & getrecommendations! Published in 2021 at "Current Applied Physics"
DOI: 10.1016/j.cap.2021.03.003
Abstract: Abstract We investigate the parameters of accelerated electron bunch in laser wakefield acceleration (LWFA), when a skewed laser pulse propagates through a plasma in the presence of a transverse magnetic field. Two dimensional particle-in-cell (2D-PIC)… read more here.
Keywords: field; laser wakefield; magnetic field; wakefield acceleration ... See more keywords
Floquet Hamiltonian for incorporating electronic excitation by a laser pulse into simulations of non-adiabatic dynamics
Sign Up to like & getrecommendations! Published in 2018 at "Chemical Physics"
DOI: 10.1016/j.chemphys.2018.07.048
Abstract: Abstract We present a simple way to incorporate a molecule-field interaction into non-adiabatic molecular dynamics. This makes possible integrated simulation of the photoexcitaion and the ensuing photodynamics, providing accurate initial conditions that are specific for… read more here.
Keywords: floquet hamiltonian; hamiltonian incorporating; laser pulse; non adiabatic ... See more keywords
Manipulation of the dielectric properties of narrow-band gap material by an ultrashort laser pulse
Sign Up to like & getrecommendations! Published in 2020 at "Computational Materials Science"
DOI: 10.1016/j.commatsci.2020.109602
Abstract: Abstract The control of dielectric responses of narrow-band gap materials by an ultrashort laser pulse is investigated theoretically using time-dependent density functional theory, taking gallium phosphide as a concrete example. We demonstrate that, by using… read more here.
Keywords: ultrashort laser; band gap; laser; laser pulse ... See more keywords
Numerical simulation of the surface morphology and residual stress field of IN718 alloy by Gaussian mode laser shock
Sign Up to like & getrecommendations! Published in 2020 at "Optik"
DOI: 10.1016/j.ijleo.2020.164441
Abstract: Abstract Laser shock processing (LSP) is a new surface modification technology that can improve mechanical properties and extending fatigue life. The numerical simulation was utilized in this work, the IN718 alloy was treated by Gaussian… read more here.
Keywords: laser; surface; residual stress; laser pulse ... See more keywords
Inverse analysis for the identification of temporal and spatial characteristics of a short super-Gaussian laser pulse interacting with a solid plate
Sign Up to like & getrecommendations! Published in 2018 at "International Journal of Thermal Sciences"
DOI: 10.1016/j.ijthermalsci.2018.08.040
Abstract: Abstract In this paper, the results of numerical experiments verifying a novel setup for laser beam profiling are presented. The experimental setup is based on infrared thermography and includes laser beam illuminating a thin metal… read more here.
Keywords: laser; temporal spatial; plate; super gaussian ... See more keywords
Self-cleaning superhydrophobic nanocomposite surfaces generated by laser pulse heating.
Sign Up to like & getrecommendations! Published in 2018 at "Journal of colloid and interface science"
DOI: 10.1016/j.jcis.2018.04.014
Abstract: Micro- and nanostructured surfaces are known to induce anti-wetting and self-cleaning properties. However, traditional formation of these structures is difficult and requires high-resolution micro- and nanofabrication methods. Here, we demonstrate a facile method for the… read more here.
Keywords: cleaning superhydrophobic; pulse heating; laser pulse; self ... See more keywords