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 …

2D particle-in-cell simulations of geometrically asymmetric low-pressure capacitive RF plasmas driven by tailored voltage waveforms

L Wang, P Hartmann, Z Donko, YH Song… - … Sources Science and …, 2021 - iopscience.iop.org
The effects of the simultaneous presence of two different types of plasma asymmetry, viz,
geometric and electrical, on low-pressure capacitively coupled argon discharges are studied …

High frequency sheath modulation and higher harmonic generation in a low pressure very high frequency capacitively coupled plasma excited by sawtooth waveform

S Sharma, N Sirse, MM Turner - Plasma Sources Science and …, 2020 - iopscience.iop.org
A particle-in-cell simulation study is performed to investigate the discharge asymmetry,
higher harmonic generations and electron heating mechanism in a low pressure …

Ion energy and angular distributions in low-pressure capacitive oxygen RF discharges driven by tailored voltage waveforms

Z Donkó, A Derzsi, M Vass, J Schulze… - Plasma Sources …, 2018 - iopscience.iop.org
We investigate the energy and angular distributions of ions reaching the electrodes in low-
pressure, capacitively coupled oxygen radio-frequency discharges. These distributions, as …

Suppression of nonlinear standing wave excitation via the electrical asymmetry effect

K Zhao, ZX Su, JR Liu, YX Liu, YR Zhang… - Plasma Sources …, 2020 - iopscience.iop.org
The electrical asymmetry effect (EAE) enables separate control of the ion flux and the mean
ion energy in capacitively coupled plasmas (CCP). While a variety of plasma processing …

Influence of Matching Network on the Discharge Characteristic of Dual—Frequency Capacitively Coupled Ar Plasma

Q Yuan, L Shan, G Yin, Y Huang… - Contributions to Plasma …, 2024 - Wiley Online Library
This paper examines the impact of different L− π L-π type external matching networks on the
discharge characteristics of dual‐frequency capacitively coupled plasma. A nonlinear global …

Investigation of the dual-frequency bias effect on inductively coupled Cl2 plasmas by hybrid simulation

L Tong, ML Zhao, YR Zhang, YH Song… - Journal of Physics D …, 2023 - iopscience.iop.org
In the etching process, a bias source is usually applied to the bottom electrode in inductively
coupled plasmas (ICPs) to achieve independent control of the ion flux and ion energy. In this …

Influence of finite geometrical asymmetry of the electrodes in capacitively coupled radio frequency plasma

B Bora, L Soto - Physics of Plasmas, 2014 - pubs.aip.org
Capacitively coupled radio frequency (CCRF) plasmas are widely studied in last decades
due to the versatile applicability of energetic ions, chemically active species, radicals, and …

Effects of amplitude modulated capacitively coupled discharge Ar plasma on kinetic energy and angular distribution function of ions impinging on electrodes: particle …

K Abe, K Kamataki, A Yamamoto, I Nagao… - Japanese journal of …, 2022 - iopscience.iop.org
We investigated the effects of amplitude modulated (AM) capacitively coupled Ar discharge
plasma on the ion energy distribution function (IEDF) and the ion angular distribution …