Výsledky vyhledávání - "R. Cabreira-Gomes"

Blocking and remanence properties of weakly and highly interactive cobalt ferrite based nanoparticles

Autor: C A M Vieira, Renata Aquino, A L Dias, Jerome Depeyrot, A. F. C. Campos, Franciscarlos Gomes da Silva, R. Cabreira Gomes

Publikováno v: Journal of physics. Condensed matter : an Institute of Physics journal. 31(17)

We compare both magnetic blocking properties and remanence curves for dilute ferrofluid and powder samples of ferrite magnetic nanoparticles. Low field DC magnetization, AC susceptibility, isothermal remanent magnetization and DC demagnetization tech

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2977a0cc563fb24a8aa066431a4da882
https://pubmed.ncbi.nlm.nih.gov/30699398

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Thermodiffusion of repulsive charged nanoparticles – the interplay between single-particle and thermoelectric contributions

Autor: G. Demouchy, A. Ferreira da Silva, M. Kouyaté, Jerome Depeyrot, R. Cabreira Gomes, Emmanuelle Dubois, Renata Aquino, Régine Perzynski, Guillaume Mériguet, Michel Roger, Sawako Nakamae

Publikováno v: Physical Chemistry Chemical Physics
Physical Chemistry Chemical Physics, Royal Society of Chemistry, 2018, 20 (24), pp.16402-16413. ⟨10.1039/c8cp02558d⟩
Physical Chemistry Chemical Physics, 2018, 20 (24), pp.16402-16413. ⟨10.1039/c8cp02558d⟩

International audience; Thermodiffusion of different ferrite nanoparticles (NPs), ∼10 nm in diameter, is explored in tailor-made aqueous dispersions stabilized by electrostatic interparticle interactions. In the dispersions, electrosteric repulsion

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::350f4bd4088377d366346cc44134e0ba
https://hal.archives-ouvertes.fr/hal-01871370

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Exchange bias of MnFe2O4@γFe2O3 and CoFe2O4@γFe2O3 core/shell nanoparticles

Autor: Pierre Bonville, Jerome Depeyrot, F.A. Tourinho, Franciscarlos Gomes da Silva, Renata Aquino, R. Cabreira-Gomes, Régine Perzynski

Publikováno v: Journal of Magnetism and Magnetic Materials. 368:409-414

We compare here exchange bias (EB) properties of chemically synthesized core-shell nanoparticles (NPs), based either on a core of soft ferrite (MnFe2O4) or hard ferrite (CoFe2O4) protected by a maghemite shell (γ-Fe2O3). These NPs dispersed in acidi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::196677e7439ef7d602111bf3ec75c8d8
https://doi.org/10.1016/j.jmmm.2014.03.003

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Thermoelectricity and thermodiffusion in charged colloids

Autor: C. L. Filomeno, Véronique Peyre, Sawako Nakamae, R. Cabreira Gomes, Régine Perzynski, Guillaume Mériguet, Michel Roger, G. Demouchy, C. Wiertel-Gasquet, Emmanuelle Dubois, Thomas J. Salez, F.A. Tourinho, M. Bonetti, B. T. Huang, M. Kouyaté, Jerome Depeyrot

Publikováno v: Journal of Chemical Physics
Journal of Chemical Physics, American Institute of Physics, 2015, 143, pp.054902. ⟨10.1063/1.4927665⟩
Journal of Chemical Physics, 2015, 143, pp.054902. ⟨10.1063/1.4927665⟩

International audience; The Seebeck and Soret coefficients of ionically stabilized suspension of maghemite nanoparticles in dimethyl sulfoxide are experimentally studied as a function of nanoparticle volume fraction. In the presence of a temperature

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::eb88e04393fd2d726049e8a922628c2b
https://hal-cea.archives-ouvertes.fr/cea-01367117/document

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