Tailored-waveform excitation of capacitively coupled plasmas and the electrical asymmetry effect

T Lafleur - Plasma Sources Science and Technology, 2015 - iopscience.iop.org
Unequal areas of the powered and grounded electrodes in single-frequency capacitively
coupled plasmas (CCPs) are well-known to generate a DC self-bias voltage and an …

Effects of structured electrodes on electron power absorption and plasma uniformity in capacitive RF discharges

L Wang, P Hartmann, Z Donkó, YH Song… - Journal of Vacuum …, 2021 - pubs.aip.org
The electron power absorption dynamics and plasma uniformity in low pressure capacitively
coupled RF discharges with structured electrodes are investigated by graphics processing …

Ion flux asymmetry in radiofrequency capacitively-coupled plasmas excited by sawtooth-like waveforms

B Bruneau, T Novikova, T Lafleur… - Plasma Sources …, 2014 - iopscience.iop.org
Using particle-in-cell simulations, we predict that it is possible to obtain a significant
difference between the ion flux to the powered electrode and that to the grounded electrode …

Control and optimization of the slope asymmetry effect in tailored voltage waveforms for capacitively coupled plasmas

B Bruneau, T Novikova, T Lafleur… - Plasma Sources …, 2014 - iopscience.iop.org
Through the use of particle-in-cell simulations, we study the ion flux asymmetry in an argon
discharge that is induced by a'sawtooth-like'excitation voltage waveform. In a previous …

Radio-frequency capacitively coupled plasmas in hydrogen excited by tailored voltage waveforms: comparison of simulations with experiments

P Diomede, DJ Economou, T Lafleur… - Plasma Sources …, 2014 - iopscience.iop.org
A combined computational–experimental study was performed of a geometrically symmetric
capacitively coupled plasma in hydrogen sustained by tailored voltage waveforms …

[HTML][HTML] Experimental demonstration of multifrequency impedance matching for tailored voltage waveform plasmas

J Wang, S Diné, JP Booth, EV Johnson - Journal of Vacuum Science & …, 2019 - pubs.aip.org
Driving radiofrequency capacitively coupled plasmas by multiharmonic tailored voltage
waveforms (TVWs) has been shown to allow considerable control over various plasma …

The importance of ions in low pressure PECVD plasmas

A Michelmore, JD Whittle, RD Short - Frontiers in Physics, 2015 - frontiersin.org
Plasma enhanced chemical vapor deposition (PECVD) can be used to fabricate surfaces
with a wide range of physical and chemical properties and are used in a variety of …

Controlling plasma properties under differing degrees of electronegativity using odd harmonic dual frequency excitation

AR Gibson, T Gans - Plasma Sources Science and Technology, 2017 - iopscience.iop.org
The charged particle dynamics in low-pressure oxygen plasmas excited by odd harmonic
dual frequency waveforms (low frequency of 13.56 MHz and high frequency of 40.68 MHz) …

The role of thermal energy accommodation and atomic recombination probabilities in low pressure oxygen plasmas

AR Gibson, M Foucher, D Marinov… - Plasma physics and …, 2017 - iopscience.iop.org
Surface interaction probabilities are critical parameters that determine the behaviour of low
pressure plasmas and so are crucial input parameters for plasma simulations that play a key …

Evaluation of the electrical asymmetry effect by spectroscopic measurements of capacitively coupled discharges and silicon thin film depositions

E Schüngel, R Hofmann, S Mohr, J Schulze, J Röpcke… - Thin Solid Films, 2015 - Elsevier
A capacitively coupled hydrogen diluted silane discharge operated at pressures above 500
Pa and driven by a combination of 13.56 MHz and 27.12 MHz is investigated by infrared …