Strong ionization asymmetry in a geometrically symmetric radio frequency capacitively coupled plasma induced by sawtooth voltage waveforms

B Bruneau, T Gans, D O'Connell, A Greb, EV Johnson… - Physical review …, 2015 - APS
The ionization dynamics in geometrically symmetric parallel plate capacitively coupled
plasmas driven by radio frequency tailored voltage waveforms is investigated using phase …

Ultrathin epitaxial silicon solar cells with inverted nanopyramid arrays for efficient light trapping

A Gaucher, A Cattoni, C Dupuis, W Chen, R Cariou… - Nano …, 2016 - ACS Publications
Ultrathin c-Si solar cells have the potential to drastically reduce costs by saving raw material
while maintaining good efficiencies thanks to the excellent quality of monocrystalline silicon …

Ultrathin PECVD epitaxial Si solar cells on glass via low‐temperature transfer process

R Cariou, W Chen, I Cosme‐Bolanos… - Progress in …, 2016 - Wiley Online Library
Fabrication of high‐quality ultrathin monocrystalline silicon layers and their transfer to low‐
cost substrates are key steps for flexible electronics and photovoltaics. In this work, we …

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 …

Low temperature plasma enhanced CVD epitaxial growth of silicon on GaAs: a new paradigm for III-V/Si integration

R Cariou, W Chen, JL Maurice, J Yu, G Patriarche… - Scientific Reports, 2016 - nature.com
The integration of III-V semiconductors with silicon is a key issue for photonics,
microelectronics and photovoltaics. With the standard approach, namely the epitaxial growth …

[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 …

Influence of deposition rate on the structural properties of plasma-enhanced CVD epitaxial silicon

W Chen, R Cariou, G Hamon, R Léal, JL Maurice… - Scientific Reports, 2017 - nature.com
Solar cells based on epitaxial silicon layers as the absorber attract increasing attention
because of the potential cost reduction. In this work, we studied the influence of the …

Controlling the shape of the ion energy distribution at constant ion flux and constant mean ion energy with tailored voltage waveforms

B Bruneau, T Lafleur, JP Booth… - … Sources Science and …, 2016 - iopscience.iop.org
In this paper, we investigate the excitation of a capacitively coupled plasma using a non-
sinusoidal voltage waveform whose amplitude-and slope-asymmetry varies continuously …

Slope and amplitude asymmetry effects on low frequency capacitively coupled carbon tetrafluoride plasmas

B Bruneau, I Korolov, T Lafleur, T Gans… - Journal of Applied …, 2016 - pubs.aip.org
We report investigations of capacitively coupled carbon tetrafluoride (CF 4) plasmas excited
with tailored voltage waveforms containing up to five harmonics of a base frequency of 5.5 …

Capacitively coupled hydrogen plasmas sustained by tailored voltage waveforms: excitation dynamics and ion flux asymmetry

B Bruneau, P Diomede, DJ Economou… - Plasma Sources …, 2016 - iopscience.iop.org
Parallel plate capacitively coupled plasmas in hydrogen at relatively high pressure (~ 1 Torr)
are excited with tailored voltage waveforms containing up to five frequencies. Predictions of …