A study of plasma polymerization of cyclopropylamine in a low-pressure cylindrical magnetron reactor is presented. Both experimental and numerical approaches are used to investigate thin film growth mechanisms and polymer film properties depending on the magnetic field strength. Combining both approaches enables the consistency of the numerical model to be checked while acquiring data for understanding the observed phenomena. Samples are first analyzed by x-ray photoelectron spectroscopy, time of flight secondary ion mass spectrometry, and ion beam analysis to illustrate the differences in degrees of chemical functionalization and cross-linking between the regions of high and low magnetic fields. 3D particle-in-cell Monte Carlo collision simulations are then performed to shed light on experimental results, after implementing a set of electron-cyclopropylamine collision cross sections computed using the R-matrix method. The simulations enable the main radicals produced in the discharge to be tracked by determining their production rates, how they diffuse in the plasma, and how they absorb on the reactor walls. Additionally, the cyclopropylamine ion (C3H7N+) behavior is followed to bring insights into the respective roles of ions and radicals during the plasma polymerization process.
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Research Article|
April 01 2020
Plasma polymerization of cyclopropylamine in a low-pressure cylindrical magnetron reactor: A PIC-MC study of the roles of ions and radicals Available to Purchase
Stella Mathioudaki
;
Stella Mathioudaki
1
Laboratory of Analysis by Nuclear Reaction, Namur Institute of Structured Matter, University of Namur
, Rue de Bruxelles 61, 5000 Namur, Belgium
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Cédric R. Vandenabeele
;
Cédric R. Vandenabeele
1
Laboratory of Analysis by Nuclear Reaction, Namur Institute of Structured Matter, University of Namur
, Rue de Bruxelles 61, 5000 Namur, Belgium
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Romain Tonneau
;
Romain Tonneau
1
Laboratory of Analysis by Nuclear Reaction, Namur Institute of Structured Matter, University of Namur
, Rue de Bruxelles 61, 5000 Namur, Belgium
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Andreas Pflug;
Andreas Pflug
2
Fraunhofer Institute for Surface Engineering and Thin Films IST
, Bienroder Weg 54e, 38108 Braunschweig, Germany
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Jonathan Tennyson
;
Jonathan Tennyson
3
Department of Physics and Astronomy, University College London
, Gower Street, London WC1E 6BT, United Kingdom
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Stéphane Lucas
Stéphane Lucas
a)
1
Laboratory of Analysis by Nuclear Reaction, Namur Institute of Structured Matter, University of Namur
, Rue de Bruxelles 61, 5000 Namur, Belgium
a)Author to whom correspondence should be addressed: [email protected]
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Stella Mathioudaki
1
Cédric R. Vandenabeele
1
Romain Tonneau
1
Andreas Pflug
2
Jonathan Tennyson
3
Stéphane Lucas
1,a)
1
Laboratory of Analysis by Nuclear Reaction, Namur Institute of Structured Matter, University of Namur
, Rue de Bruxelles 61, 5000 Namur, Belgium
2
Fraunhofer Institute for Surface Engineering and Thin Films IST
, Bienroder Weg 54e, 38108 Braunschweig, Germany
3
Department of Physics and Astronomy, University College London
, Gower Street, London WC1E 6BT, United Kingdom
a)Author to whom correspondence should be addressed: [email protected]
J. Vac. Sci. Technol. A 38, 033003 (2020)
Article history
Received:
December 18 2019
Accepted:
March 02 2020
Citation
Stella Mathioudaki, Cédric R. Vandenabeele, Romain Tonneau, Andreas Pflug, Jonathan Tennyson, Stéphane Lucas; Plasma polymerization of cyclopropylamine in a low-pressure cylindrical magnetron reactor: A PIC-MC study of the roles of ions and radicals. J. Vac. Sci. Technol. A 1 May 2020; 38 (3): 033003. https://doi.org/10.1116/1.5142913
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