Direct implicit and explicit energy-conserving particle-in-cell methods for modeling of capacitively coupled plasma devices

H Sun, S Banerjee, S Sharma, AT Powis… - Physics of …, 2023 - pubs.aip.org
Achieving large-scale kinetic modeling is a crucial task for the development and optimization
of modern plasma devices. With the trend of decreasing pressure in applications, such as …

Plasma asymmetry and electron and ion energy distribution function in capacitive discharges excited by tailored waveforms

S Sharma, N Sirse, A Kuley… - Journal of Physics D …, 2022 - iopscience.iop.org
Using a particle-in-cell simulation technique, we investigate the plasma and ionization
asymmetry, higher harmonics generation, and electron and ion energy distribution function …

Spatial flux and energy asymmetry in a low pressure capacitively coupled plasma discharge excited by sawtooth waveform: A harmonic study

S Sharma, N Sirse, MM Turner - Physics of Plasmas, 2023 - pubs.aip.org
Plasma asymmetry generation in capacitively coupled plasma (CCP) discharges provides
control over vital parameters that are useful in many plasma processing applications. In this …

[HTML][HTML] Investigating the effects of electron bounce-cyclotron resonance on plasma dynamics in capacitive discharges operated in the presence of a weak transverse …

S Sharma, S Patil, S Sengupta, A Sen, A Khrabrov… - Physics of …, 2022 - pubs.aip.org
Recently, Patil et al.[Phys. Rev. Res. 4, 013059 (2022)] have reported the existence of an
enhanced operating regime when a low-pressure (5 mTorr) capacitively coupled discharge …

Scale-invariant resonance characteristics in magnetized capacitive radio frequency plasmas

D Yang, H Wang, B Zheng, X Zou, X Wang, Y Fu - Physics of Plasmas, 2023 - pubs.aip.org
Resonance mechanisms have been found to be essential for the generation of high-density
rf plasmas at low pressures, in which electrons can be continuously accelerated through …

Accuracy of the explicit energy-conserving particle-in-cell method for under-resolved simulations of capacitively coupled plasma discharges

AT Powis, ID Kaganovich - Physics of Plasmas, 2024 - pubs.aip.org
The traditional explicit electrostatic momentum-conserving particle-in-cell algorithm requires
strict resolution of the electron Debye length to deliver numerical stability and accuracy. The …

Energy efficient F atom generation and control in CF4 capacitively coupled plasmas driven by tailored voltage waveforms

XK Wang, R Masheyeva, YX Liu… - Plasma Sources …, 2024 - iopscience.iop.org
Neutral radicals generated by electron impact dissociation of the background gas play
important roles in etching and deposition processes in low pressure capacitively coupled …

Influence of Very High-Frequency PECVD Hydrogen Plasma Treatment on Intrinsic Amorphous Silicon Passivation Stack: Impact on Silicon Heterojunction Solar Cell …

A Pandey, S Bhattacharya, S Alam… - ACS Applied Energy …, 2025 - ACS Publications
We have investigated the impact of post hydrogen plasma treatment (HPT) using two distinct
RF generators operating at 13.56 and 40.68 MHz on the PECVD-deposited ia-Si: H bilayer …

Fluid models calculation of Ar/CF4 radiofrequency capacitively coupled plasmas

MG Elsheikh, Y Abdelsalam, WM Moslem… - Physica …, 2024 - iopscience.iop.org
A fluid model is used to calculate plasma density in radiofrequency capacitively coupled
plasmas (RF-CCPs), assuming geometrically symmetric Ar/CF 4. Electrodes are powered by …

[HTML][HTML] A harmonic study of electric field nonlinearity and field reversal in collisionless capacitive discharges driven by sawtooth-like waveforms

S Sharma, N Sirse, MM Turner, A Kuley - Physics Letters A, 2024 - Elsevier
Understanding electron and ion heating phenomenon in capacitively coupled radio-
frequency plasma discharges is vital for many plasma processing applications. In this article …