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 …

Control of electron velocity distributions at the wafer by tailored voltage waveforms in capacitively coupled plasmas to compensate surface charging in high-aspect …

P Hartmann, L Wang, K Nösges, B Berger… - Journal of Physics D …, 2021 - iopscience.iop.org
Low pressure single-or dual-frequency capacitively coupled radio frequency (RF) plasmas
are frequently used for high-aspect ratio (HAR) dielectric etching due to their capability to …

Tailored voltage waveforms applied to a capacitively coupled chlorine discharge

GA Skarphedinsson… - Plasma Sources Science …, 2020 - iopscience.iop.org
Tailored voltage waveform, composed of a fundamental frequency and the second
harmonic, is applied to a capacitively coupled chlorine discharge operated in the 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 …

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 …

Power coupling mode transitions induced by tailored voltage waveforms in capacitive oxygen discharges

A Derzsi, B Bruneau, AR Gibson… - Plasma Sources …, 2017 - iopscience.iop.org
Low-pressure capacitively coupled radio frequency discharges operated in O 2 and driven
by tailored voltage waveforms are investigated experimentally and by means of kinetic …

The electrical asymmetry effect in electronegative CF4 capacitive RF plasmas operated in the striation mode

XK Wang, R Masheyeva, YX Liu… - Plasma Sources …, 2023 - iopscience.iop.org
Abstract The Electrical Asymmetry Effect (EAE) provides control of the mean ion energy at
the electrodes of multi-frequency capacitively coupled radio frequency plasmas (CCP) by …

Disruption of self-organized striated structure induced by secondary electron emission in capacitive oxygen discharges

L Wang, DQ Wen, QZ Zhang, YH Song… - Plasma Sources …, 2019 - iopscience.iop.org
Self-organized striated structure has been observed experimentally and numerically in CF 4
plasmas in radio-frequency capacitively coupled plasmas recently (Liu et al 2016 Phys. Rev …