| 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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David, Thomas
CEA Grenoble
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (15/15 displayed)
- 2024Yttria-stabilized zirconia (8YSZ) synthesis in a supercritical CO<sub>2</sub>-assisted process: a parametric study for achieving cubic phase stability
- 2024Yttria-stabilized zirconia (8YSZ) synthesis in a supercritical CO$_2$-assisted process: a parametric study for achieving cubic phase stability
- 2024Improved Oxidation Resistance And Cr Retention Of Coated AISI441 For SOC Application
- 2024Understanding the Phenomenon of High Temperature Hydrogen Attack (HTHA) Responsible for Ferrito-Pearlitic Steels Damage
- 2024Effects of adding zeolite particles on the hierarchical microstructure of zeolite-geopolymer composites and their Sr2+ adsorption propertiescitations
- 2024Component analysis of a 25-cell stack following 6.7 kh of high temperature electrolysis
- 2023Design and characterization of hierarchical aluminosilicate composite materials for Cs entrapment: Adsorption efficiency tied to microstructurecitations
- 2022Insight on High Temperature Hydrogen Attack initiation and morphology on case studies - 3D FIB-SEM and TEM analyses for fine microstructural characterization of attacked low carbon steelscitations
- 2019Deterministic 3D self-assembly of Si through a rim-less and topology-preserving dewetting regime
- 2019Deterministic three-dimensional self-assembly of Si through a rimless and topology-preserving dewetting regimecitations
- 2017Tailoring Strain and Morphology of Core–Shell SiGe Nanowires by Low-Temperature Ge Condensationcitations
- 2017Complex dewetting scenarios of ultrathin silicon films for large-scale nanoarchitecturescitations
- 2016Fabrication of core-shell nanostructures via silicon on insulator dewetting and germanium condensation: towards a strain tuning method for SiGe-based heterostructures in a three-dimensional geometrycitations
- 2016Fabrication of poly-crystalline Si-based Mie resonators via amorphous Si on SiO2 dewettingcitations
- 2015Kinetics and Energetics of Ge Condensation in SiGe Oxidationcitations
Places of action
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article
Deterministic 3D self-assembly of Si through a rim-less and topology-preserving dewetting regime
Abstract
International audience ; Capillary-driven mass transport in solids is typically understood in terms of surface-diffusion limited kinetics, leading to conventional solid-state dewetting of thin films. However, another mass transport mechanism, so-called surface-attachment/detachment limited kinetics, is possible. It can shrink a solid film preserving its original topology without breaking it in isolated islands and leads to faster dynamics for smaller film curvature in contrast with the opposite behavior observed for surface-diffusion limited kinetics. In this work, we present a novel rimless dewetting regime for Si, which is ascribed to effective attachment-limited kinetics mediated by the coexistence of crystalline and amorphous Si phases. Phase-field numerical simulations quantitatively reproduce the experimental observations assessing the main mass transport mechanism at play. The process can be exploited to obtain in a deterministic fashion monocrystalline islands (with 95% probability) pinned at ∼500 nm from a hole milled within closed patches.