| People | Locations | Statistics |
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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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Moskovkin, Pavel
University of Namur
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (14/14 displayed)
- 2023Vein pattern vs. columnar fracture shape in Cu-Zr thin film metallic glassescitations
- 2023Finite Element Mesh Generation for Nano-scale Modeling of Tilted Columnar Thin Films for Numerical Simulationcitations
- 2023Vein pattern vs. columnar fracture shape in Cu-Zr thin film metallic glasses:Driving force and mechanismcitations
- 2021Understanding the role of energetic particles during the growth of TiO2 thin films by reactive magnetron sputtering through multi-scale Monte Carlo simulations and experimental depositioncitations
- 2021Understanding the role of energetic particles during the growth of TiO2 thin films by reactive magnetron sputtering through multi-scale Monte Carlo simulations and experimental depositioncitations
- 2021On the relationship between the plasma characteristics, the microstructure and the optical properties of reactively sputtered TiO2 thin filmscitations
- 2019Correlation of structural and optical properties using virtual materials analysiscitations
- 2018Can the normalized energy flux at the substrate control the microstructure of reactively sputtered TiO2 thin films ?
- 2018Wide range investigation of duty cycle and frequency effects on bipolar magnetron sputtering of chromium nitridecitations
- 2018TiOx deposited by magnetron sputtering: a joint modelling and experimental studycitations
- 2015Multiscale simulations of the early stages of the growth of graphene on coppercitations
- 2014On the formation of the porous structure in nanostructured a-Si coatings deposited by dc magnetron sputtering at oblique anglescitations
- 2010Surface phenomena involved in the formation of Co nanoparticles on amorphous Carbon and SiO2 deposited by magnetron sputteringcitations
- 2007Model predictions and experimental characterization of Co-Pt alloy clusterscitations
Places of action
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article
Model predictions and experimental characterization of Co-Pt alloy clusters
Abstract
<p>Model and real cobalt-platinum alloy clusters are compared in terms of structure, composition and segregation. Canonical and semi grand canonical Metropolis Monte Carlo simulations are performed to model these clusters, using embedded atom (EAM) and modified embedded atom (MEAM) potentials. All of them correctly predict the bulk L1<sub>2</sub> Co<sub>3</sub>Pt and CoPt<sub>3</sub> structures as well as the L1<sub>0</sub> CoPt phase. However, the lattice parameters, phase stability and the L1<sub>0</sub>-fcc order-disorder transition temperature are at variance. Segregation predictions with EAM and MEAM potentials are contradictory. Experimentally, mixed clusters with various compositions were deposited by Low Energy Cluster Beam on amorphous carbon at room temperature. Their size distribution, crystalline structure and composition were examined by Transmission Electron Microscopy (TEM). Clusters with the same size distributions were modelled. Both experiment and modelling show their crystallographic parameters to continuously correspond to the fcc CoPt chemically disordered phase. Diffraction measurements indicate surface segregation of the specie in excess, in agreement with EAM predictions for the Co-rich phase. The consequences on magnetic properties are discussed.</p>