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We present a review of recent in situ experimentation studies of solidification front patterns and microstructures in alloys. Front-tracking diagnostics and real-time observation methods using high-resolution optical or X-ray imaging devices currently apply to model transparent systems as well as metallic alloys in thin and bulk samples. On a theoretical basis that spans the physics of nonequilibrium pattern formation and materials science, in combination with time-resolved numerical simulations, conclusive results of both fundamental- and applied-science interest have been obtained on major problems relative to multiscale microstructure selection, morphological transitions, and crystallographic effects during single- and multi-phase solidification. [...]
> lire la suite de "In situ observation of solidification patterns in diffusive conditions"
Acta Materiala, overview article, 15 April 2016
We report the fabrication of Si-based dielectric Mie resonators via a low cost process based on solid-state dewetting of ultra-thin amorphous Si on SiO2. We investigate the dewetting dynamics of a few nanometer sized layers annealed at high temperature to form submicrometric Si-particles. Morphological and structural characterization reveal the polycrystalline nature of the semiconductor matrix as well as rather irregular morphologies of the dewetted islands.[...]
> lire la suite de "Fabrication of poly-crystalline Si-based Mie resonators via amorphous Si on SiO2 dewetting"
Nanoscale, 8, 2844, 2016

Evénements

 


Ecole thématique du GDR CNRS Oxyfun
Caractérisations avancées des oxydes fonctionnels

Carry-le-Rouet, France, 25-30 septembre 2016

EDS 2016 18th International Conference on Extended Defects in Semiconductors
Les Issambres-St Aygulf, south of France, September 25-29, 2016

LaMoDy.1 School on Lattice and Molecular Dynamics Simulations of Materials
Girona, Spain, 19-23 september 2016

Conférence Nationale sur les Processus ULtimes d’épitaxie des SEmiconducteurs
Marseille, 18 - 22 juillet 2016

Ecole Franco-Marocaine de la Mesure et de l'Instrumentation Nucléaires EFMMIN4
Marseille, 18 au 21 juillet 2016

AFC 2016 - Congrès de l'Association Française de Cristallographie
Marseille, 4-7 juillet 2016

6th International Conference on NANOstructures and nanomaterials SElf-Assembly (NANOSEA)
Giardini Naxos (Me, Italy), July 3-8, 2016

I-DUST 2016, Inter Disciplinary Underground Science and Technology
Avignon, France, June 1-3, 2016

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IM2NP - Unité Mixte de Recherche 7334 CNRS & Universités d'Aix-Marseille et de Toulon | adresse administrative : Faculté des Sciences Avenue Escadrille Normandie Niemen - Case 142 - 13397 Marseille Cedex 20 (France) | Directeur : R. Bouchakour | email : direction@im2np.fr | tel. +33 (0) 4 91 28 83 13

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