Interface investigation in nanostructured BaTiO<sub>3</sub>/silica composite ceramics - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue Journal of the American Ceramic Society Année : 2010

Interface investigation in nanostructured BaTiO3/silica composite ceramics

Résumé

Silica-coated ferroelectric particles are promising building blocks for functional bulk composites such as dielectric resonators, supercapacitors, or multiferroics. The ferroelectric/silica interface was fully investigated by means of high-temperature in situ X-ray diffraction, high-resolution scanning electron microscopy, and X-ray photoelectron spectroscopy. Mechanisms occurring at the interface were visualized using high-resolution postmortem and in situ transmission electron microscopy performed at different temperatures. On the light of this interface investigation, we have used advanced sintering processes such as spark plasma sintering and microwave sintering to obtain nanostructured composite ceramics and to evaluate their dielectric properties.

Domaines

Matériaux
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Dates et versions

hal-00467044 , version 1 (16-11-2023)

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U-Chan Chung Seu, Catherine Elissalde, Frédéric Mompiou, Jérôme Majimel, Sonia Gomez, et al.. Interface investigation in nanostructured BaTiO3/silica composite ceramics. Journal of the American Ceramic Society, 2010, 93 (3), pp.865-874. ⟨10.1111/j.1551-2916.2009.03474.x⟩. ⟨hal-00467044⟩
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