Search Results - "Bidault, O."

Dielectric behavior of a lead-free electroceramics Ba1−xEr2x/3(Ti1−yZry)O3 by Si-Ahmed, F., Taïbi, K., Bidault, O., Millot, N.

“…Lead-free electroceramics samples of composition Ba 1−x Er 2x/3 (Ti 1−y Zr y )O 3 (BETZ) with x = 0.01 and 0.02 and 0.20 ≤ y ≤ 0.35 have been elaborated by…”
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Characterization of KNbO3 nanoplates synthesized by a stirred hydrothermal process by Krad, I., Bidault, O., Said, S., EL Maaoui, M.

“…Lead free piezoelectric KNbO3 (KN) nanoplates were successfully synthesized through reaction between Nb2O5 and KOH at 220°C and 10M KOH during 8h. The…”
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Normal and relaxor ferroelectric behavior in the Ba1−xPbx(Ti1−yZry)O3 solid solutions by Si Ahmed, F., Taïbi, K., Bidault, O., Geoffroy, N., Millot, N.

“…Polycrystalline samples of Ba1−xPbx(Ti1−yZry)O3 (BPTZ) with x = 0.025 & 0.1 and 0.10 ≤ y ≤ 0.50 have been synthesized by high-temperature solid-state reaction…”
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The Ba2LnFeNb4O15 tetragonal tungsten bronze: Towards RT composite multiferroics by JOSSE, M, BIDAULT, O, ROULLAND, F, CASTEL, E, SIMON, A, MICHAU, D, VON DER MÜHLL, R, NGUYEN, O, MAGLIONE, M

“…Several Niobium oxides of formula Ba_2LnFeNb_4O_{15} (Ln = La, Pr, Nd, Sm, Eu, Gd) with the Tetragonal Tungsten Bronze (TTB) structure have been synthesised by…”
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Controlled Growth of Silica Shell on Ba0.6Sr0.4TiO3 Nanoparticles Used As Precursors of Ferroelectric Composites by Mornet, S, Elissalde, C, Hornebecq, V, Bidault, O, Duguet, E, Brisson, A, Maglione, M

“…A method based on a seeded growth process was developed to coat ferroelectric nanoparticles with a dielectric silica shell. This method, applied to…”
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Impedance study of giant dielectric permittivity in BaTi0.4(Fe0.5Nb0.5)0.6O3 ceramic by ABDELKAFI, Z, ABDELMOULA, N, BIDAULT, O, KHEMAKHEM, H, MAGLIONE, M

“…The BaTi0.4(Fe0.5Nb0.5)0.6O3 ceramic is synthesized by a solid-state reaction technique. The X-ray diffraction of the sample at room temperature shows a cubic…”
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Dielectric spectroscopy measurements of the sub- T g relaxations in amorphous ethyl cellulose: A relaxation magnitude study by Bidault, O., Assifaoui, A., Champion, D., Le Meste, M.

“…Amorphous ethyl cellulose exhibits three secondary relaxations at temperatures below its glass transition. The fitted parameters that describe these processes…”
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Frequency and temperature dependence of the electrical conductivity of KTaO3; Li and PbTiO3; La, Cu : Indication of a low temperature polaron mechanism by LEVSTIK, A, FILIPIC, C, BIDAULT, O, MAGLIONE, M

“…Recently, the concept of polarons has again been at the focus of solid-state research, as it can constitute the basis for understanding the high-temperature…”
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Dielectric spectroscopy measurements of the sub-Tg relaxations in amorphous ethyl cellulose : A relaxation magnitude study by BIDAULT, O, ASSIFAOUI, A, CHAMPION, D, LE MESTE, M

“…Amorphous ethyl cellulose exhibits three secondary relaxations at temperatures below its glass transition. The fitted parameters that describe these processes…”
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Supercritical fluid route for synthesizing crystalline Barium Strontium Titanate nanoparticles by Reverón, H, Elissalde, C, Aymonier, C, Bidault, O, Maglione, M, Cansell, F

“…Pure and well-crystallized Barium Strontium Titanate (BST) nanoparticles with controlled Ba/Sr ratio have been successfully synthesized under supercritical…”
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Polaronic relaxation in perovskites by Bidault, O, Maglione, M, Actis, M, Kchikech, M, Salce, B

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Experimental evidence for a spontaneous relaxor to ferroelectric phase transition in Pb(Mg1/3Nb2/3)O3-10% Ti by BIDAULT, O, LICHERON, M, HUSSON, E, CALVARIN, G, MORELL, A

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Structural, microstructural and dielectric studies in multiferroic LaSrNiO4-δ prepared by mechanical milling method by Chouket, A., Cheikhrouhou-Koubaa, W., Cheikhrouhou, A., Optasanu, V., Bidault, O., Khitouni, M.

“…The solid solution LaSrNiO4-δ has been successfully prepared by a rapid method combining mechanical milling and heat treatment. The structure and…”
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Improve the dielectric properties of PrSrNi0.8Mn0.2O4 compounds by longer mechanical milling by Chouket, A., Bidault, O., Combemale, L., Heintz, O., Khitouni, M., Optasanu, V.

“…Structural and dielectric properties of PrSrNi0.8Mn0.2O4 ceramics elaborated by a rapid method combining mechanical milling and heat treatment were studied for…”
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Dielectric relaxation and polaronic hopping in Mn-substituted LaSrNiO4 nickelates prepared by mechanical milling method by Chouket, A., Optasanu, V., Bidault, O., Cheikhrouhou, A., Cheikhrouhou-Koubaa, W., Khitouni, M.

“…The structures, microstructures and dielectric properties of LaSrNi1−xMnxO4 (x = 0, 0.1, 0.2, 0.3 and 0.5) ceramics synthetized by mechanical milling followed…”
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Improve the dielectric properties of PrSrNi^sub 0.8^Mn^sub 0.2^O^sub 4^ compounds by longer mechanical milling by Chouket, A, Bidault, O, Combemale, L, Heintz, O, Khitouni, M, Optasanu, V

“…Structural and dielectric properties of PrSrNi0.8Mn0.2O4ceramics elaborated by a rapid method combining mechanical milling and heat treatment were studied for…”
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Study of the spontaneous relaxor to normal ferroelectric phase transition in la-doped lead titanate by Bidault, O., Menguy, N., Dkhil, B.

“…Highly lanthanum doped lead titanate ceramics exhibit relaxor properties and undergo on cooling a subsequent spontaneous macroscopic phase transition. The…”
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Stabilization of Ti3+ in reduced (Pb,La)(Ti,Cu)O3 ceramics: an EPR study by BIDAULT, O, ACTIS, M, MAGLIONE, M

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Space-charge relaxation in perovskites by Bidault, O, Goux, P, Kchikech, M, Belkaoumi, M, Maglione, M

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Impedance study of giant dielectric permittivity in BaTi sub(0.4)(Fe sub(0.5)Nb sub(0.5)) sub(0.6)O sub(3) ceramic by Abdelkafi, Z, Abdelmoula, N, Bidault, O, Khemakhem, H, Maglione, M

“…The BaTi sub(0.4)(Fe sub(0.5)Nb sub(0.5)) sub(0.6)O sub(3) ceramic is synthesized by a solid-state reaction technique. The X-ray diffraction of the sample at…”
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