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Electron emission from metal emitters subject to a high intensity laser in the presence of DC electric fields
(AIP, 2019)Electron emission driven by both a strong DC applied bias and a superimposed laser field is examined through numerical simulations. Heating at the electrode surface that creates a dynamic, nonequilibrium electron distribution ... -
Numerical evaluation of hydrogen outgassing from copper electrodes with mitigation based on a tungsten capping layer
(AIP, 2019)Outgassing remains a pertinent issue for high power applications and is exacerbated by the high field driven, localized heating environments commonly encountered. Here, molecular dynamics simulations are performed for a ... -
Lock-on physics in semi-insulating GaAs: Combination of trap-to-band impact ionization, moving electric fields and photon recycling
(AIP, 2018)The time-dependent photoconductive current response of semi-insulating GaAs is probed based on one-dimensional simulations, with a focus on the lock-on phenomenon. Our results capture most of the experimental observations. ... -
Dynamic analysis of material ejection from cathodic metal nano-tips due to local heating and field generated stress
(AIP, 2018)The potential for explosive cathode emission due to nanoprotrusions subjected to Maxwell stress and heating from strong electric fields is probed self-consistently based on non-equilibrium molecular-dynamics. The focus is ... -
Effect of Thermal Gradients Created by Electromagnetic Fields on Cell-Membrane Electroporation Probed by Molecular-Dynamics Simulations
(American Physical Society, 2017)The use of nanosecond-duration-pulsed voltages with high-intensity electric fields (∼100 kV/cm) is a promising development with many biomedical applications. Electroporation occurs in this regime, and has been attributed ...
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