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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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Kozłowski, Mirosław
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (19/19 displayed)
- 2024The Preparation and Properties of a Hydrogen-Sensing Field-Effect Transistor with a Gate of Nanocomposite C-Pd Film
- 2022Solid-State Rotary Friction-Welded Tungsten and Mild Steel Jointscitations
- 2022Atomic migration and ordering phenomena in bulk and thin films of FePd and FePt
- 2021RENiO3 Single Crystals (RE = Nd, Sm, Gd, Dy, Y, Ho, Er, Lu) Grown from Molten Salts under 2000 bar of Oxygen Gas Pressurecitations
- 2018Studies of field emission process influence on changes in CNT films with different CNT superficial density
- 2017Atomistic origin of the thermodynamic activation energy for self-diffusion and order-order relaxation in intermetallic compounds II : Monte Carlo simulation of B2-ordering binariescitations
- 2017Decomposition of palladium acetate and C60 fullerite during thermal evaporation in PVD processcitations
- 2017Atomistic origin of the thermodynamic activation energy for self-diffusion and order-order relaxation in intermetallic compounds I : analytical approachcitations
- 2016Electrochemical copper composite coatings with graphene as a dispersion phase
- 2015Influence of duration time of CVD process on emissive properties of carbon nanotubes filmscitations
- 2015C-Pd Films as Material for Optical Sensor of Hydrogen
- 2015Influence of Substrate Type on Structure of C-Pd Thin Filmscitations
- 2014SiC (0001) and (000$bar{1}$) surfaces diffusion parameters estimated by means of atomistic Kinetic Monte Carlo simulationscitations
- 2014Superstructure transformations in high-temperature intermetallic nanolayers : atomistic simulationcitations
- 2014Method of determination of palladium concentration for C-Pd nanostructural films as a function of film thickness, roughness and topography
- 2014The Influence of Technological PVD Process Parameters on the Topography, Crystal and Molecular Structure of Nanocomposite Films Containing Palladium Nanograinscitations
- 2013Annealing time effects on the surface morphology of C–Pd films prepared on silicon covered with SiO2
- 2013Surface induced superstructure transformation in L1_{0} FePt by Monte Carlo simulations implemented with Analytic Bond-Order Potentialscitations
- 2008Atomic ordering in nano-layered L1<inf>0</inf> Ab binaries: Multiscale Monte-Carlo simulations
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article
Atomic ordering in nano-layered L1<inf>0</inf> Ab binaries: Multiscale Monte-Carlo simulations
Abstract
<p>Combined nano- and mesoscale simulation of chemical ordering kinetics in nano-layered L1<sub>0</sub> AB binary intermetallics was performed. In the nano- (atomistic) scale Monte Carlo (MC) technique implemented with vacancy mechanism of atomic migration and diverse models for the system energetics were used. The meso-scale microstructure evolution was, in turn, modelled by means of a Monte Carlo procedure simulating antiphase-domain-boundary (APB) motion as controlled by antiphase-boundary energies evaluated within the nano-scale simulations. The study addressed FePt thin layers considered as a material for ultra-high-density magnetic storage media and revealed metastability of the L1<sub>0</sub> c-variant superstructure with monoatomic planes parallel to the (001) layer surface and off-plane easy magnetization. The layers, originally perfectly ordered in a c-variant of the L1<sub>0</sub> superstructure, showed homogeneous disordering running in parallel with a spontaneous re-orientation of the monoatomic planes leading to a mosaic microstructure composed of a- and b-L1<sub>0</sub>-variant domains. The domains nucleated heterogeneously on the free surface of the layer and grew discontinuously inward its volume. Finally, the domains relaxed towards an equilibrium microstructure of the system. Two “atomistic-scale” processes: (i) homogeneous disordering and (ii) nucleation of the a- and b-L1<sub>0</sub>-variant domains showed characteristic time scales. The same was observed for the meso-scale processes: (i) heterogeneous L1<sub>0</sub>-variant domain growth and (ii) domain microstructure relaxation. The above complex structural evolution anticipated by the multiscale MC simulations has recently been observed experimentally in epitaxially deposited thin films of FePt.</p>