Combined atomistic simulations to explore metastability and substrate effects in Ag–Co nanoalloy systems

Autor: Abir Hizi, Georg Daniel Forster, Riccardo Ferrando, Yves Garreau, Alessandro Coati, Caroline Andreazza-Vignolle, Pascal Andreazza

Publikováno v: Faraday Discussions. 242:35-51

The Ag/Co nanoalloy system is a model system situated energetically at the limit of stability of the core-shell chemical ordering with respect to a simple phase separation behavior. This makes the system highly susceptible to effects of the environme

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0a8ba80f1b7c1b561bf430f5d5facc0b
https://doi.org/10.1039/d2fd00114d

Out-of-equilibrium supported Pt-Co core-shell nanoparticles stabilized by kinetic trapping at room temperature

Autor: Hocine Khelfane, Caroline Andreazza-Vignolle, Aline Y. Ramos, José Penuelas, Thierry Sauvage, Pascal Andreazza

Publikováno v: The European Physical Journal Applied Physics. 97:56

The chemical stability of supported CoPt nanoparticles in out-of-equilibrium core-shell configurations was investigated mainly by anomalous grazing incidence small angle X-ray scattering (AGISAXS) in association with combined transmission electron mi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8d451f285e66de0fbcdbecc5a336a5e9
https://doi.org/10.1051/epjap/2022220027

Nano Rods for Coloured Glasses Obtained by Hybrid Sol–Gel Coating

Autor: Olivier Véron, Philippe Banet, Caroline Andreazza Vignolle, Lévi Allam, Johanne Moineau, Pierre-Henri Aubert, Jean-Philippe Blondeau

Publikováno v: Journal of Nanoscience and Nanotechnology. 11:7642-7652

Many new materials are now allowing new properties thanks to nanotechnology because this domain of physics gives possibilities to optimize targeted properties even if these materials react in very various influential parameters. Architectural, automo

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::df749d0502b965610a92eab905faaea5
https://doi.org/10.1166/jnn.2011.4710

XMCD studies of Co and Co–Pt nanoparticles prepared by vapour deposition

Autor: José Penuelas, Josep Penuelas, Caroline ANDREAZZA-VIGNOLLE, Pascal Andreazza, Paolo Imperia, Detlef Schmitz

Publikováno v: Journal of Magnetism and Magnetic Materials
Journal of Magnetism and Magnetic Materials, Elsevier, 2007, 310 (2), pp.2417-2419. ⟨10.1016/j.jmmm.2006.10.806⟩

Co–Pt and Co nanoparticles (∼2 nm diameter) of different composition and crystal structure have been studied by X-ray magnetic circular dichroism (XMCD) at the Co L 2,3 edges. The magnetic properties of the samples, covered with a thin protecting

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a863eb43ccf88e0b1c2f2a2ea2bcbfd5
https://hal.archives-ouvertes.fr/hal-01892209

Sudden collective atomic rearrangements trigger the growth of defect-free silver icosahedra.

Autor: Nelli, Diana, Roncaglia, Cesare, Ferrando, Riccardo, Kataya, Zeinab, Garreau, Yves, Coati, Alessandro, Andreazza-Vignolle, Caroline, Andreazza, Pascal

Publikováno v: Nanoscale; 12/14/2023, Vol. 15 Issue 46, p18891-18900, 10p