102 citations · 908 across the 35 of their papers we have counts for
36 papers
A Nonlinear Two-Sheath Circuit Model for Low-Pressure Symmetric and Asymmetric Capacitively Coupled Radio-Frequency Plasmas
Katharina Noesges, Tim Bolles, Máté Vass +2
We develop a nonlinear self-consistent two-sheath circuit model for low-pressure capacitively coupled plasmas that applies to geometrically symmetric as well as asymmetric discharg…
Non-invasive monitoring of process-relevant plasma parameters by Fiber PROES in capacitively coupled Ar/CF plasmas
Florian Beckfeld, Maximilian Ryppa, Constantin Neuroth +3
Monitoring changes of process-relevant plasma parameters, such as the electron density and ion flux to the wafer, is essential for the development and control of plasma processes.…
Characterization of a laser filament-induced plasma in air at 10 kHz using optical emission spectroscopy
Malte C. Schroeder, Robin Löscher, Nikita Bibinov +4
The increasing availability of high-power Yb-based ultrafast laser-amplifier systems has opened the possibility of air filamentation at high repetition rates >1 kHz. In this new re…
Two-dimensional spatially resolved measurements of helium metastable densities by tunable diode laser absorption spectroscopy in atmospheric pressure RF plasma jets
David A Schulenberg, Xiao-Kun Wang, Mate Vass +3
Helium metastable species play a critical role in sustaining radio-frequency (RF) driven micro atmospheric pressure plasma jets through Penning ionization and for the generation of…
Synergistic control of radical generation in a radio frequency atmospheric pressure plasma jet via voltage waveform tailoring and structured electrodes
Mate Vass, Xiaokun Wang, Ihor Korolov +2
The synergy between voltage waveform tailoring and structured electrodes is investigated in a radio-frequency (RF) atmospheric-pressure microplasma jet operated in helium with a 0.…
Electronegativity effects on plasma dynamics in He/O RF microplasma jets at atmospheric pressure
Lukas Vogelhuber, Ihor Korolov, Mate Vass +6
This work investigates the transitions between ohmic mode and Penning-Gamma mode in a capacitively coupled radio frequency micro atmospheric pressure plasma jets (CCRF APPJ) ope…
Overcoming Discharge Inhibition in n-Butane Oxidation: Two-Component BaTiO3 and Mn-Cu Mixed Oxide Coatings
Timothy Oppotsch, Christian Oberste-Beulmann, Alexander Böddecker +4
A twin surface dielectric barrier discharge on the microsecond scale was used in combination with a two-component coating to oxidize 300 ppm n-butane as a model volatile organic co…
Electron dynamics of three distinct discharge modes of a cross-field atmospheric pressure plasma jet
Maximilian Klich, David Alexander Schulenberg, Sebastian Wilczek +6
This paper investigates the electron dynamics in three distinct discharge modes of a cross-field atmospheric pressure plasma jet, the COST-Jet. Thereby, the discharge modes are the…
Decoupling NO production and UV emission intensity over the E-H mode transition in a low-pressure inductively coupled plasma device
Lars Schücke, Angie Natalia Torres Segura, Ihor Korolov +2
A low-pressure double-inductively coupled plasma device is used to study the fundamental plasma parameters, plasma chemistry, and UV photon emission from the first excited state of…
The role of flow field dynamics in enhancing volatile organic compound conversion in a surface dielectric barrier discharge system
Alexander Böddecker, Maximilian Passmann, Angie Natalia Torres Segura +8
This study investigates the correlation between flow fields induced by a surface dielectric barrier discharge (SDBD) system and its application for the volatile organic compound (V…
Numerical investigation of vacuum ultra-violet emission in Ar/O inductively coupled plasmas
Michel Osca Engelbrecht, Jonathan Jenderny, Henrik Hylla +5
Controlling fluxes of vacuum ultraviolet (VUV) radiation is important in a number of industrial and biomedical applications of low pressure plasma sources because, depending on the…
Interactions between flow fields induced by surface dielectric barrier discharge arrays
Alexander Böddecker, Maximilian Passmann, Sebastian Wilczek +6
This study investigates the flow field induced by a surface dielectric barrier discharge (SDBD) system, known for its efficient pollution remediation of volatile organic compounds…
Electron power absorption in capacitively coupled neon-oxygen plasmas: a comparison of experimental and computational results
A. Derzsi, P. Hartmann, M. Vass +5
Phase Resolved Optical Emission Spectroscopy (PROES) measurements combined with 1d3v Particle-in-Cell/Monte Carlo Collisions (PIC/MCC) simulations are used to study the electron po…
Zero-dimensional and pseudo-one-dimensional models of atmospheric-pressure plasma jet in binary and ternary mixtures of oxygen and nitrogen with helium background
Youfan He, Patrick Preissing, David Steuer +8
A zero-dimensional (volume-averaged) and a pseudo-one-dimensional (plug-flow) model are developed to investigate atmospheric-pressure plasma jet devices operated with He, He/O,…
Energy efficiency of voltage waveform tailoring for the generation of excited species in RF plasma jets operated in He/N mixtures
Ihor Korolov, Zoltán Donkó, Gerrit Hübner +3
Based on Tunable Diode Laser Absorption Spectroscopy (TDLAS) measurements of the spatially averaged and peak helium metastable atom densities in a capacitively coupled micro atmosp…
Electron heating mode transitions in radio-frequency driven micro atmospheric pressure plasma jets in He/O: A fluid dynamics approach
Yue Liu, Ihor Korolov, Torben Hemke +4
A two-dimensional fluid model is used to investigate the electron heating dynamics and the production of neutral species in a capacitively coupled radio-frequency micro atmospheric…
Electron swarm parameters in CH, CH and CH: measurements and kinetic calculations
N R Pinhão, D Loffhagen, M Vass +5
This work presents swarm parameters of electrons (the bulk drift velocity, the bulk longitudinal component of the diffusion tensor, and the effective ionization frequency) in C…
Experimental observation and simulation of the equilibration of electron swarms in a scanning drift tube
Z. Donko, P. Hartmann, I. Korolov +3
We investigate the spatially and temporally resolved electron kinetics in a homogeneous electric field in argon gas, in the vicinity of an emitting boundary. This (transient) regio…
Self-diffusion in two-dimensional quasi-magnetized rotating dusty plasmas
Peter Hartmann, Jorge C. Reyes, Evdokiya G. Kostadinova +10
The self-diffusion phenomenon in a two-dimensional dusty plasma at extremely strong (effective) magnetic fields is studied experimentally and by means of molecular dynamics simulat…
Striations in electronegative capacitively coupled radio-frequency plasmas: effects of the pressure, voltage, and electrode gap
Yong-Xin Liu, Ihor Korolov, Edmund Schüngel +3
Capacitively coupled radio-frequency (CCRF) CF_4 plasmas have been found to exhibit a self-organized striated structure at operating conditions, where the plasma is strongly electr…
Striations in electronegative capacitively coupled radio-frequency plasmas: analysis of the pattern formation and the effect of the driving frequency
Yong-Xin Liu, Ihor Korolov, Edmund Schüngel +3
Self-organized striated structures of the plasma emission have recently been observed in capacitive radio-frequency CF4 plasmas by Phase Resolved Optical Emission Spectroscopy (PRO…
Electron transport parameters in CO: scanning drift tube measurements and kinetic computations
M. Vass, I. Korolov, D. Loffhagen +2
This work presents transport coefficients of electrons (bulk drift velocity, longitudinal diffusion coefficient, and effective ionization frequency) in CO2 measured under time-of-f…
Experimental observation and computational analysis of striations in electronegative capacitively coupled radio-frequency plasmas
Yong-Xin Liu, Edmund Schuengel, Ihor Korolov +3
Self-organized spatial structures in the light emission from the ion-ion capacitive RF plasma of a strongly electronegative gas (CF4) are observed experimentally for the first time…
A scanning drift tube apparatus for spatio-temporal mapping of electron swarms
I. Korolov, M. Vass, N. Kh. Bastykova +1
A "scanning" drift tube apparatus, capable of mapping of the spatio-temporal evolution of electron swarms, developing between two plane electrodes under the effect of a homogeneous…