|   | 
Details
   web
Records
Author Biondo, O.; Fromentin, C.; Silva, T.; Guerra, V.; van Rooij, G.; Bogaerts, A.
Title Insights into the limitations to vibrational excitation of CO2: validation of a kinetic model with pulsed glow discharge experiments Type A1 Journal article
Year 2022 Publication Plasma Sources Science & Technology Abbreviated Journal Plasma Sources Sci T
Volume 31 Issue (up) 7 Pages 074003
Keywords A1 Journal article; Plasma Lab for Applications in Sustainability and Medicine – Antwerp (PLASMANT)
Abstract Vibrational excitation represents an efficient channel to drive the dissociation of CO<sub>2</sub>in a non-thermal plasma. Its viability is investigated in low-pressure pulsed discharges, with the intention of selectively exciting the asymmetric stretching mode, leading to stepwise excitation up to the dissociation limit of the molecule. Gas heating is crucial for the attainability of this process, since the efficiency of vibration–translation (V–T) relaxation strongly depends on temperature, creating a feedback mechanism that can ultimately thermalize the discharge. Indeed, recent experiments demonstrated that the timeframe of V–T non-equilibrium is limited to a few milliseconds at ca. 6 mbar, and shrinks to the<italic>μ</italic>s-scale at 100 mbar. With the aim of backtracking the origin of gas heating in pure CO<sub>2</sub>plasma, we perform a kinetic study to describe the energy transfers under typical non-thermal plasma conditions. The validation of our kinetic scheme with pulsed glow discharge experiments enables to depict the gas heating dynamics. In particular, we pinpoint the role of vibration–vibration–translation relaxation in redistributing the energy from asymmetric to symmetric levels of CO<sub>2</sub>, and the importance of collisional quenching of CO<sub>2</sub>electronic states in triggering the heating feedback mechanism in the sub-millisecond scale. This latter finding represents a novelty for the modelling of low-pressure pulsed discharges and we suggest that more attention should be paid to it in future studies. Additionally, O atoms convert vibrational energy into heat, speeding up the feedback loop. The efficiency of these heating pathways, even at relatively low gas temperature and pressure, underpins the lifetime of V–T non-equilibrium and suggests a redefinition of the optimal conditions to exploit the ‘ladder-climbing’ mechanism in CO<sub>2</sub>discharges.
Address
Corporate Author Thesis
Publisher Place of Publication Editor
Language Wos 000839466500001 Publication Date 2022-07-01
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0963-0252 ISBN Additional Links UA library record; WoS full record; WoS citing articles
Impact Factor 3.8 Times cited Open Access OpenAccess
Notes Fundação para a Ciência e a Tecnologia, PLA/0076/2021 ; H2020 Marie Skłodowska-Curie Actions, 813393 ; This research was supported by the European Union’s Horizon 2020 Research and Innovation programme under the Marie Sklodowska-Curie Grant Agreement No. 813393 (PIONEER). V Guerra and T Silva were partially funded by the Portuguese ‘FCT-Fundação para a Ciência e a Tecnologia’, under Projects UIDB/50010/2020, UIDP/50010/2020, PTDC/FISPLA/1616/2021 and EXPL/FIS-PLA/0076/2021. The calculations were performed using the Turing HPC infrastructure at the CalcUA core facility of the Universiteit Antwerpen (UAntwerpen), a division of the Flemish Supercomputer Center VSC, funded by the Hercules Foundation, the Flemish Government (department EWI) and the UAntwerpen. Approved Most recent IF: 3.8
Call Number PLASMANT @ plasmant @c:irua:190008 Serial 7106
Permanent link to this record
 

 
Author Kolev, I.; Bogaerts, A.
Title Numerical models of the planar magnetron glow discharges Type A1 Journal article
Year 2004 Publication Contributions to plasma physics Abbreviated Journal Contrib Plasm Phys
Volume 44 Issue (up) 7/8 Pages 582-588
Keywords A1 Journal article; Plasma Lab for Applications in Sustainability and Medicine – Antwerp (PLASMANT)
Abstract
Address
Corporate Author Thesis
Publisher Place of Publication Berlin Editor
Language Wos 000225541000003 Publication Date 2004-11-12
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0863-1042;1521-3986; ISBN Additional Links UA library record; WoS full record; WoS citing articles
Impact Factor 1.44 Times cited 22 Open Access
Notes Approved Most recent IF: 1.44; 2004 IF: 0.701
Call Number UA @ lucian @ c:irua:49069 Serial 2402
Permanent link to this record
 

 
Author Tinck, S.; De Schepper, P.; Bogaerts, A.
Title Numerical investigation of SiO2 coating deposition in wafer processing reactors with SiCl4/O2/Ar inductively coupled plasmas Type A1 Journal article
Year 2013 Publication Plasma processes and polymers Abbreviated Journal Plasma Process Polym
Volume 10 Issue (up) 8 Pages 714-730
Keywords A1 Journal article; Plasma Lab for Applications in Sustainability and Medicine – Antwerp (PLASMANT)
Abstract Simulations and experiments are performed to obtain a better insight in the plasma enhanced chemical vapor deposition process of SiO2 by SiCl4/O2/Ar plasmas for introducing a SiO2-like coating in wafer processing reactors. Reaction sets describing the plasma and surface chemistry of the SiCl4/O2/Ar mixture are presented. Typical calculation results include the bulk plasma characteristics, i.e., electrical properties, species densities, and information on important production and loss processes, as well as the chemical composition of the deposited coating, and the thickness uniformity of the film on all reactor surfaces. The film deposition characteristics, and the trends for varying discharge conditions, are explained based on the plasma behavior, as calculated by the model.
Address
Corporate Author Thesis
Publisher Place of Publication Weinheim Editor
Language Wos 000327790000006 Publication Date 2013-05-28
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 1612-8850; ISBN Additional Links UA library record; WoS full record; WoS citing articles
Impact Factor 2.846 Times cited 3 Open Access
Notes Approved Most recent IF: 2.846; 2013 IF: 2.964
Call Number UA @ lucian @ c:irua:109900 Serial 2397
Permanent link to this record
 

 
Author Yusupov, M.; Lackmann, J.-W.; Razzokov, J.; Kumar, S.; Stapelmann, K.; Bogaerts, A.
Title Impact of plasma oxidation on structural features of human epidermal growth factor Type A1 Journal article
Year 2018 Publication Plasma processes and polymers Abbreviated Journal Plasma Process Polym
Volume 15 Issue (up) 8 Pages 1800022
Keywords A1 Journal article; Plasma Lab for Applications in Sustainability and Medicine – Antwerp (PLASMANT)
Abstract We perform computer simulations supported by experiments to investigate the oxidation of an important signaling protein, that is, human epidermal growth factor (hEGF), caused by cold atmospheric plasma (CAP) treatment. Specifically, we study the conformational changes of hEGF with different degrees of oxidation, to mimic short and long CAP treatment times. Our results indicate that the oxidized structures become more flexible, due to their conformational changes and breakage of the disulfide bonds, especially at higher oxidation degrees. MM/GBSA calculations reveal that an increasing oxidation level leads to a lower binding free energy of hEGF with its receptor. These results help to understand the fundamentals of the use of CAP for wound healing versus cancer treatment at short and longer treatment times.
Address
Corporate Author Thesis
Publisher Place of Publication Editor
Language Wos 000441895700004 Publication Date 2018-05-07
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 1612-8850 ISBN Additional Links UA library record; WoS full record; WoS citing articles
Impact Factor 2.846 Times cited 7 Open Access Not_Open_Access
Notes Fonds Wetenschappelijk Onderzoek, 1200216N ; Bundesministerium für Bildung und Forschung, 03Z22DN12 ; Approved Most recent IF: 2.846
Call Number PLASMANT @ plasmant @c:irua:152815 Serial 5008
Permanent link to this record
 

 
Author Tinck, S.; Tillocher, T.; Georgieva, V.; Dussart, R.; Neyts, E.; Bogaerts, A.
Title Concurrent effects of wafer temperature and oxygen fraction on cryogenic silicon etching with SF6/O2plasmas Type A1 Journal article
Year 2017 Publication Plasma processes and polymers Abbreviated Journal Plasma Process Polym
Volume 14 Issue (up) 9 Pages 1700018
Keywords A1 Journal article; Plasma Lab for Applications in Sustainability and Medicine – Antwerp (PLASMANT)
Abstract Cryogenic plasma etching is a promising technique for high-control wafer development with limited plasma induced damage. Cryogenic wafer temperatures effectively reduce surface damage during etching, but the fundamental mechanism is not well understood. In this study, the influences of wafer temperature, gas mixture and substrate bias on the (cryogenic) etch rates of Si with SF6/O2 inductively coupled plasmas are experimentally and computationally investigated. The etch rates are measured in situ with double-point reflectometry and a hybrid computational Monte Carlo – fluid model is applied to calculate plasma properties. This work allows the reader to obtain a better insight in the effects of wafer temperature on the etch rate and to find operating conditions for successful anisotropic (cryo)etching.
Address
Corporate Author Thesis
Publisher Place of Publication Editor
Language Wos 000410773200012 Publication Date 2017-04-03
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 1612-8850 ISBN Additional Links UA library record; WoS full record; WoS citing articles
Impact Factor 2.846 Times cited Open Access Not_Open_Access
Notes Fonds Wetenschappelijk Onderzoek, 0880.212.840 ; Hercules Foundation; Flemish Government (Department EWI); Universiteit Antwerpen; Approved Most recent IF: 2.846
Call Number PLASMANT @ plasmant @c:irua:145637 Serial 4708
Permanent link to this record
 

 
Author Verheyen, C.; Silva, T.; Guerra, V.; Bogaerts, A.
Title The effect of H2O on the vibrational populations of CO2in a CO2/H2O microwave plasma: a kinetic modelling investigation Type A1 Journal article
Year 2020 Publication Plasma Sources Science & Technology Abbreviated Journal Plasma Sources Sci T
Volume 29 Issue (up) 9 Pages 095009
Keywords A1 Journal article; Plasma Lab for Applications in Sustainability and Medicine – Antwerp (PLASMANT)
Abstract Plasma has been studied for several years to convert CO2 into value-added products. If CO2 could be converted in the presence of H2O as a cheap H-source for making syngas and oxygenates, it would mimic natural photosynthesis. However, CO2/H2O plasmas have not yet been extensively studied, not by experiments, and certainly not computationally. Therefore, we present here a kinetic modelling study to obtain a greater understanding of the vibrational kinetics of a CO2/H2O microwave plasma. For this purpose, we first created an electron impact cross section set for H2O, using a swarm-derived method. We added the new cross section set and CO2/H2O-related chemistry to a pure CO2 model. While it was expected that H2O addition mainly causes quenching of the CO2 asymmetric mode vibrational levels due to the additional CO2/H2O vibrational-translational relaxation, our model shows that the modifications in the vibrational kinetics are mainly induced by the strong electron dissociative attachment to H2O molecules, causing a reduction in electron density, and the corresponding changes in the input of energy into the CO2 vibrational levels by electron impact processes.
Address
Corporate Author Thesis
Publisher Place of Publication Editor
Language Wos 000570601300001 Publication Date 2020-09-16
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 1361-6595 ISBN Additional Links UA library record; WoS full record; WoS citing articles
Impact Factor 3.8 Times cited Open Access
Notes Fonds Wetenschappelijk Onderzoek, 1184820N ; Fundação para a Ciência e a Tecnologia, under projects UIDB/50010/2020 and ; This research was supported by FWO–PhD fellowshipaspirant, Grant 1184820N. VG and TS were partially supported by the Portuguese FCT, under projects UIDB/50010/2020 and UIDP/50010/2020 Approved Most recent IF: 3.8; 2020 IF: 3.302
Call Number PLASMANT @ plasmant @c:irua:172011 Serial 6433
Permanent link to this record
 

 
Author Tennyson, J.; Mohr, S.; Hanicinec, M.; Dzarasova, A.; Smith, C.; Waddington, S.; Liu, B.; Alves, L.L.; Bartschat, K.; Bogaerts, A.; Engelmann, S.U.; Gans, T.; Gibson, A.R.; Hamaguchi, S.; Hamilton, K.R.; Hill, C.; O’Connell, D.; Rauf, S.; van ’t Veer, K.; Zatsarinny, O.
Title The 2021 release of the Quantemol database (QDB) of plasma chemistries and reactions Type A1 Journal article
Year 2022 Publication Plasma Sources Science & Technology Abbreviated Journal Plasma Sources Sci T
Volume 31 Issue (up) 9 Pages 095020
Keywords A1 Journal article; Plasma Lab for Applications in Sustainability and Medicine – Antwerp (PLASMANT)
Abstract The Quantemol database (QDB) provides cross sections and rates of processes important for plasma models; heavy particle collisions (chemical reactions) and electron collision processes are considered. The current version of QDB has data on 28 917 processes between 2485 distinct species plus data for surface processes. These data are available via a web interface or can be delivered directly to plasma models using an application program interface; data are available in formats suitable for direct input into a variety of popular plasma modeling codes including HPEM, COMSOL, ChemKIN, CFD-ACE+, and VisGlow. QDB provides ready assembled plasma chemistries plus the ability to build bespoke chemistries. The database also provides a Boltzmann solver for electron dynamics and a zero-dimensional model. Thesedevelopments, use cases involving O<sub>2</sub>, Ar/NF<sub>3</sub>, Ar/NF<sub>3</sub>/O<sub>2</sub>, and He/H<sub>2</sub>O/O<sub>2</sub>chemistries, and plans for the future are presented.
Address
Corporate Author Thesis
Publisher Place of Publication Editor
Language Wos 000895762200001 Publication Date 2022-09-01
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0963-0252 ISBN Additional Links UA library record; WoS full record
Impact Factor 3.8 Times cited Open Access OpenAccess
Notes Engineering and Physical Sciences Research Council, EP/N509577/1 ; Fundação para a Ciência e a Tecnologia, UIDB/50010/2020 ; Science and Technology Facilities Council, ST/K004069/1 ; National Science Foundation, OAC-1834740 ; Approved Most recent IF: 3.8
Call Number PLASMANT @ plasmant @c:irua:192845 Serial 7245
Permanent link to this record
 

 
Author Tampieri, F.; Gorbanev, Y.; Sardella, E.
Title Plasma‐treated liquids in medicine: Let's get chemical Type A1 Journal Article
Year 2023 Publication Plasma Processes and Polymers Abbreviated Journal Plasma Processes & Polymers
Volume 20 Issue (up) 9 Pages e2300077
Keywords A1 Journal Article; Plasma, laser ablation and surface modeling Antwerp (PLASMANT) ;
Abstract Fundamental and applied research on plasma‐treated liquids for biomedical applications was boosted in the last few years, dictated by their advantages with respect to direct treatments. However, often, the lack of consistent analysis at a molecular level of these liquids, and of the processes used to produce them, have raised doubts of their usefulness in the clinic. The aim of this article is to critically discuss some basic aspects related to the use of plasma‐treated liquids in medicine, with a focus on their chemical composition. We analyze the main liquids used in the field, how they are affected by non‐thermal plasmas, and the possibility to replicate them without plasma treatment.
Address
Corporate Author Thesis
Publisher Place of Publication Editor
Language Wos 001005060700001 Publication Date 2023-06-08
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 1612-8850 ISBN Additional Links UA library record; WoS full record; WoS citing articles
Impact Factor 3.5 Times cited Open Access Not_Open_Access
Notes We thank COST Actions CA20114 (Therapeutical Applications of Cold Plasmas) and CA19110 (Plasma Applications for Smart and Sustainable Agriculture) for the stimulating environment provided. Francesco Tampieri wishes to thank Dr. Cristina Canal for the helpful discussion during the planning stage of this paper. Approved Most recent IF: 3.5; 2023 IF: 2.846
Call Number PLASMANT @ plasmant @c:irua:197386 Serial 8814
Permanent link to this record
 

 
Author Cangi, A.; Moldabekov, Z.A.; Neilson, D.
Title International Conference on “Strongly Coupled Coulomb Systems” (July 24-29, 2022, Görlitz, Germany) Type Editorial
Year 2023 Publication Contributions to plasma physics Abbreviated Journal
Volume 63 Issue (up) 9-10 Pages e202300110-3
Keywords Editorial; Condensed Matter Theory (CMT)
Abstract
Address
Corporate Author Thesis
Publisher Place of Publication Editor
Language Wos 001100083800001 Publication Date 2023-11-07
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0863-1042; 1521-3986 ISBN Additional Links UA library record; WoS full record
Impact Factor 1.6 Times cited Open Access
Notes Approved Most recent IF: 1.6; 2023 IF: 1.44
Call Number UA @ admin @ c:irua:201156 Serial 9051
Permanent link to this record
 

 
Author Saraiva, M.; Chen, H.; Leroy, W.P.; Mahieu, S.; Jehanathan, N.; Lebedev, O.; Georgieva, V.; Persoons, R.; Depla, D.
Title Influence of Al content on the properties of MgO grown by reactive magnetron sputtering Type A1 Journal article
Year 2009 Publication Plasma processes and polymers Abbreviated Journal Plasma Process Polym
Volume 6 Issue (up) S:1 Pages S751-S754
Keywords A1 Journal article; Electron microscopy for materials research (EMAT); Plasma Lab for Applications in Sustainability and Medicine – Antwerp (PLASMANT)
Abstract In the present work, reactive magnetron sputtering in DC mode was used to grow complex oxide thin films, starting from two separate pure metal targets. A series of coatings was produced with a stoichiometry of the film ranging from MgO, over MgxAlyOz to Al2O3. The surface energy, crystallinity, hardness, refractive index, and surface roughness were investigated. A relationship between all properties studied and the Mg content of the samples was found. A critical compositional region for the Mg-Al-O system where all properties exhibit a change was noticed.
Address
Corporate Author Thesis
Publisher Place of Publication Weinheim Editor
Language Wos 000272302900144 Publication Date 2009-09-08
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 1612-8850; ISBN Additional Links UA library record; WoS full record; WoS citing articles
Impact Factor 2.846 Times cited 13 Open Access
Notes Iwt Approved Most recent IF: 2.846; 2009 IF: 4.037
Call Number UA @ lucian @ c:irua:79363 Serial 1613
Permanent link to this record
 

 
Author Bultinck, E.; Mahieu, S.; Depla, D.; Bogaerts, A.
Title Particle-in-cell/Monte Carlo collisions model for the reactive sputter deposition of nitride layers Type A1 Journal article
Year 2009 Publication Plasma processes and polymers Abbreviated Journal Plasma Process Polym
Volume 6 Issue (up) S:1 Pages S784-S788
Keywords A1 Journal article; Plasma Lab for Applications in Sustainability and Medicine – Antwerp (PLASMANT)
Abstract A 2d3v Particle-in-cell/Monte Carlo collisions (PIC/MCC) model was constructed for an Ar/N2 reactive gas mixture in a magnetron discharge. A titanium target was used, in order to study the sputter deposition of a TiNx thin film. Cathode currents and voltages were calculated self-consistently and compared with experiments. Also, ion fluxes to the cathode were calculated, which cause sputtering of the target. The sputtered atom fluxes from the target, and to the substrate were calculated, in order to visualize the deposition of the TiNx film.
Address
Corporate Author Thesis
Publisher Place of Publication Weinheim Editor
Language Wos 000272302900149 Publication Date 2009-09-16
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 1612-8850; ISBN Additional Links UA library record; WoS full record; WoS citing articles
Impact Factor 2.846 Times cited 2 Open Access
Notes Approved Most recent IF: 2.846; 2009 IF: 4.037
Call Number UA @ lucian @ c:irua:79364 Serial 2558
Permanent link to this record