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Naji, M. |
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Motta, Antonella |
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Aletan, Dirar |
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Mohamed, Tarek |
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Ertürk, Emre |
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Taccardi, Nicola |
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Kononenko, Denys |
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Petrov, R. H. | Madrid |
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Alshaaer, Mazen | Brussels |
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Bih, L. |
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Casati, R. |
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Muller, Hermance |
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Kočí, Jan | Prague |
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Šuljagić, Marija |
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Kalteremidou, Kalliopi-Artemi | Brussels |
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Azam, Siraj |
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Ospanova, Alyiya |
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Blanpain, Bart |
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Ali, M. A. |
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Popa, V. |
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Rančić, M. |
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Ollier, Nadège |
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Azevedo, Nuno Monteiro |
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Landes, Michael |
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Rignanese, Gian-Marco |
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Krause, B.
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (30/30 displayed)
- 2024Unravelling the effect of nitrogen on the morphological evolution of thin silver films on weakly-interacting substratescitations
- 2023In situ and real-time studies of ultrathin silver films grown by physical vapor deposition
- 2022Dopamine as a bioinspired adhesion promoter for the metallization of multi-responsive phase change microcapsulescitations
- 2020Measuring apparatus for study of Seebeck-effect in polymer materials,Messanlage zur Untersuchung des Seebeck-Effektes in Polymermaterialiencitations
- 2020Graphite modified epoxy-based adhesive for joining of aluminium and PP/graphite compositescitations
- 2019Piezoelectric 3-D fibrous poly(3-hydroxybutyrate)-based scaffolds ultrasound-mineralized with calcium carbonate for bone tissue engineering : inorganic phase formation, osteoblast cell adhesion, and proliferationcitations
- 2019Melt mixed composites of polypropylene with singlewalled carbon nanotubes for thermoelectric applications: Switching from p- to n-type behavior by additive additioncitations
- 2018Ways to enhance thermoelectric properties of melt mixed polypropylene-carbon nanotube composites
- 2018Melt-mixed thermoplastic polymer/carbon nanotube composites for thermoelectric applications
- 2017Polypropylene-based melt mixed composites with singlewalled carbon nanotubes for thermoelectric applications: Switching from p-type to n-type by the addition of polyethylene glycolcitations
- 2017PP/SWCNT composites modified with ionic liquidcitations
- 2016Tuning the Network Structure in Poly(vinylidene fluoride)/Carbon Nanotube Nanocomposites Using Carbon Black: Toward Improvements of Conductivity and Piezoresistive Sensitivitycitations
- 2014Localization of carbon nanotubes in polyamide 6 blends with non-reactive and reactive rubbercitations
- 2014Additive-assisted one-step melt mixing approach to disperse MWCNT into LLDPE
- 2014Aspect ratio effects of multi-walled carbon nanotubes on electrical, mechanical, and thermal properties of polycarbonate/MWCNT compositescitations
- 2013Effect of aspect ratio of multi-walled carbon nanotubes on electrical, thermal and mechanical properties of composites with polycarbonate
- 2013Melt mixed PCL/MWCNT composites prepared at different rotation speeds: Characterization of rheological, thermal, and electrical properties, molecular weight, MWCNT macrodispersion, and MWCNT length distributioncitations
- 2013Influence of twin-screw compounding conditions on CNT dispersion and length and the resulting electrical and mechanical properties of polycarbonate based nanocomposites
- 2012Methods to characterize the dispersability of carbon nanotubes and their length distribution,Methoden zur Charakterisierung der Dispergierbarkeit und Längenanalyse von Carbon Nanotubescitations
- 2011Characterization of the state of dispersion of carbon nanotubes in polymer nanocomposites,Charakterisierung der Dispersionsgüte von Carbon Nanotubes in Polymer-Nanokompositencitations
- 2011Electrical and thermal properties of polyamide 12 composites with hybrid fillers systems of multiwalled carbon nanotubes and carbon blackcitations
- 2011The effect of nanotube feeding position in twin-screw extrusion of PP based nanocomposites
- 2011Thermal conductivity of hybrid filled HDPE nanocomposites
- 2011A method for determination of length distributions of multiwalled carbon nanotubes before and after melt processingcitations
- 2010Low electrical percolation threshold in poly(ethylene terephthalate)/multi-walled carbon nanotube nanocompositescitations
- 2010Characterization on carbon nanotubes' dispersability using centrifugal sedimentation analysis in aqueous surfactant dispersions
- 2010Comparison of nanotubes produced by fixed bed and aerosol-CVD methods and their electrical percolation behaviour in melt mixed polyamide 6.6 compositescitations
- 2010Melt mixed nanocomposites of PA12 with CNT: Influence of matrix properties and the use of hybrid filler systems containing CB
- 2010Dispersability and particle size distribution of CNTs in an aqueous surfactant dispersion as a function of ultrasonic treatment timecitations
- 2007Elongational viscosity and foaming behavior of PP modified by electron irradiation or nanotube additioncitations
Places of action
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article
Unravelling the effect of nitrogen on the morphological evolution of thin silver films on weakly-interacting substrates
Abstract
We study the effect of nitrogen on the morphological evolution of thin silver (Ag) films deposited on weakly-interacting amorphous carbon (a-C) and silicon oxide (SiOx) surfaces. Films are synthesized at a deposition rate of 0.1nm·s-1 by direct current magnetron sputtering (DCMS), high power impulse magnetron sputtering (HiPIMS), and electron-beam evaporation (EBE). We monitor growth in situ and in real time by measuring the evolution of film stress and optical properties, complemented by ex situ analyses of discontinuous-layer morphologies, film crystal structure, and film composition. We find that addition of molecular nitrogen (N2) to the plasmagenic gas (Ar) during DCMS and HiPIMS promotes a two-dimensional (2D) morphology. Concurrently, EBE-deposited films exhibit a significantly more pronounced three-dimensional morphological evolution, independently from the gas atmosphere composition. We argue that the 2D morphology in DCMS- and HiPIMS-grown films is enhanced due to incorporation of atomic nitrogen (N)—result of plasma-induced N2 dissociation—that hinders island reshaping during coalescence. This mechanism is not active during EBE due to the absence of energetic plasma electrons driving N2 dissociation. The overall results of the study show that accurate control of vapor-phase chemistry is of paramount importance when using gaseous species as agents for manipulating growth in weakly-interacting film-substrate systems. ; Peer reviewed