Search Results - "Gagou, Y."

Enhancing the dielectric, electrocaloric and energy storage properties of lead-free Ba0.85Ca0.15Zr0.1Ti0.9O3 ceramics prepared via sol-gel process by Mezzourh, H., Belkhadir, S., Mezzane, D., Amjoud, M., Choukri, E., Lahmar, A., Gagou, Y., Kutnjak, Z., El Marssi, M.

“…The Ba0.85Ca0.15Zr0.1Ti0.9O3 (BCZT) ceramics were successfully prepared by the sol-gel process and sintered at 1420 °C. The effect of sintering times (2, 4 and…”
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Lead-free Ba0.8Ca0.2(ZrxTi1−x)O3 ceramics with large electrocaloric effect by Asbani, B., Dellis, J.-L., Lahmar, A., Courty, M., Amjoud, M., Gagou, Y., Djellab, K., Mezzane, D., Kutnjak, Z., El Marssi, M.

“…The electrocaloric effect was investigated in lead-free Zr doped Ba0.8Ca0.2(ZrxTi1−x)O3 (BCTZ) ceramics synthesized by a conventional sintering process…”
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Sequence of structural transitions and electrocaloric properties in (Ba1-xCax)(Zr0.1Ti0.9)O3 ceramics by Kaddoussi, H., Lahmar, A., Gagou, Y., Manoun, B., Chotard, J.N., Dellis, J.-L., Kutnjak, Z., Khemakhem, H., Elouadi, B., El Marssi, M.

“…The influence of the incorporation of Calcium in lead-free ferroelectric Ba(Zr0.1Ti0.9)O3 perovskite on its structural phase transition, dielectric,…”
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Structural, dielectric and energy storage properties of Neodymium niobate with tetragonal tungsten bronze structure by Belarbi, M., Tamraoui, Y., Manoun, B., Cantaluppi, A., Gagou, Y., Taibi, K., El Marssi, M., Lahmar, A.

“…The present work reports the effect of Nd3+ substitution on the structural, dielectric and energy storage properties of the polycrystalline Ba2NaNb5O15(BNN)…”
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Impact of annealing on electrocaloric response in Lanthanum-modified lead zirconate titanate ceramic by Asbani, B., Dellis, J.-L., Lahmar, A., Amjoud, M., Gagou, Y., Mezzane, D., Kutnjak, Z., Pirc, R., El Marssi, M., Luk’yanchuk, I., Rožič, B.

“…Over the past decades, there has been significant interest in new cooling technology based on the large electrocaloric effect observed in polymeric and…”
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Study of the Oxidation Process of Crystalline Powder of In2S3 and Thin Films Obtained by Dr Blade Method by Hamici, M., Guessoum, Kh, Vaillant, L., Gagou, Y., Saint-Grégoire, P.

“…Good quality In 2 S 3 films were grown by the Dr Blade method from a powder synthesized in a chemical bath, and oxidized to obtain In 2 O 3 films and films of…”
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Structural, dielectric and electrocaloric properties of (Ba0.85Ca0.15)(Ti0.9Zr0.1−xSnx)O3 ceramics elaborated by sol–gel method by Belkhadir, S., Neqali, A., Amjoud, M., Mezzane, D., Alimoussa, A., Choukri, E., Gagou, Y., Raevski, I., El Marssi, M., Luk’yanchuk, Igor A., Rožič, B., Kutnjak, Z.

“…Ferroelectric ceramics (Ba 0.85 Ca 0.15 )(Ti 0.9 Zr 0.1−x Sn x )O 3 (x = 0.00, 0.02, 0.04, 0.06) were elaborated by sol–gel method. Structural investigation…”
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Repolarization of Ferroelectric Superlattices BaZrO3/BaTiO3 by Sidorkin, A. S., Nesterenko, L. P., Gagou, Y., Saint-Gregoire, P., Vorotnikov, E. V., Pakhomov, A. Yu, Popravko, N. G.

“…With the use of the modified Sawyer-Tower scheme and Merz technique, studies were conducted on the repolarization characteristics of ferroelectric (BaZrO 3…”
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Structural, Dielectric, and Magnetic Properties of Multiferroic ( 1 - x ) La0.5Ca0.5MnO3-( x ) BaTi0.8Sn0.2O3 Laminated Composites by Ben Moumen, S., Jagodic, M., El Marssi, M., Kopelevich, Y., Luk'yanchuk, Igor A., Gagou, Y., Belkhadir, S., Mezzane, D., Amjoud, M., Rozic, B., Hajji, L., Kutnjak, Z., Jaglicic, Z.

“…High-performance lead-free multiferroic composites are desired to replace the lead-based ceramics in multifunctional device applications. Laminated compounds…”
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Energy storage and relaxor behavior in (Pb0.8Ba0.2)[(Zn1/3Nb2/3)0.7Ti0.3]O3 ferroelectric ceramic by Peláiz-Barranco, A., Pérez-Martín, Y., García-Zaldívar, O., Gagou, Y.

“…(Pb 0 . 8 Ba 0 . 2 )[(Zn 1 / 3 Nb 2 / 3 ) 0 . 7 Ti 0 . 3 ]O3 relaxor-type ferroelectric ceramics was obtained via classical solid-state reaction. The…”
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Bipolar resistive switching and substrate effect in GdK2Nb5O15 epitaxial thin films with tetragonal tungsten bronze type structure by Allouche, B., Gagou, Y., Le Marrec, F., Fremy, M.-A., El Marssi, M.

“…Ferroelectric compound GdK2Nb5O15 with tetragonal tungsten bronze type structure thin films were grown by pulsed laser deposition on (001)SrRuO3/SrTiO3 and…”
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Structural, dielectric and magnetic studies of (0–3) type multiferroic (1 − x) BaTi0.8Sn0.2O3–(x) La0.5Ca0.5MnO3 (0 ≤ x ≤ 1) composite ceramics by Ben Moumen, S., Hadouch, Y., Gagou, Y., Mezzane, D., Amjoud, M., Choukri, E., Kutnjak, Z., Rožič, B., Abdelmoula, N., Khemakhem, H., El Amraoui, Y., Laguta, V., El Marssi, M.

“…Multiferroic composites with the composition (1 −  x ) BaTi 0.8 Sn 0.2 O 3 –( x ) La 0.5 Ca 0.5 MnO 3 ( x  = 0, 0.3, 0.5, 0.7, 0.9 and 1) were prepared by…”
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Synthesis of La0.5Ca0.5−x□xMnO3 nanocrystalline manganites by sucrose assisted auto combustion route and study of their structural, magnetic and magnetocaloric properties by Ben Moumen, S., Gagou, Y., Chettab, M., Mezzane, D., Amjoud, M., Fourcade, S., Hajji, L., Kutnjak, Z., El Marssi, M., El Amraoui, Y., Kopelevich, Y., Luk’yanchuk, Igor A.

“…Perovskite manganite La 0.5 Ca 0.5−x □ x MnO 3 (LCMO) nanomaterials were elaborated using the sucrose modified auto combustion method. Rietveld refinements of…”
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Structural, Dielectric, and Magnetic Properties of Multiferroic ( 1 - x ) La 0.5 Ca 0.5 MnO 3 -( x ) BaTi 0.8 Sn 0.2 O 3 Laminated Composites by Ben Moumen, S, Gagou, Y, Belkhadir, S, Mezzane, D, Amjoud, M, Rozic, B, Hajji, L, Kutnjak, Z, Jaglicic, Z, Jagodic, M, El Marssi, M, Kopelevich, Y, Luk'yanchuk, Igor A

“…High-performance lead-free multiferroic composites are desired to replace the lead-based ceramics in multifunctional device applications. Laminated compounds…”
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Structural and optical properties of Pb2KNb5O15 and GdK2Nb5O15 tungsten bronze thin films grown by pulsed laser deposition by Allouche, B., Gagou, Y., Zeinert, A., Fremy, M.-A., El Marssi, M.

“…Lead potassium niobate Pb2KNb5O15 (PKN) and gadolinium potassium niobate GdK2Nb5O15 (GKN) thin films were grown on (001)MgO single crystal substrates using…”
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Properties of layered structures based on barium titanate by Sidorkin, A. S., Nesterenko, L. P., Gagou, Y., Saint-Gregoire, P., Popravko, N. G., Yu. Pakhomov, A.

“…The dielectric properties of the bipolar SrTiO 3 /BaTiO 3 /SrTiO 3 structures synthesized by pulsed laser sputtering on a single-crystal SrTiO 3 substrate…”
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Resistance Switching Effect in Octahedral framework oxide by Gagou, Y., Allouche, B., Saint-Gregoire, P., El Marssi, M.

“…Resistive Random-Access Memories (ReRAM) are an alternative way to create new memory devices. This is physically possible due to the existence in the material,…”
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Electrocaloric effect in Ba0.2Ca0.8Ti0.95Ge0.05O3 determined by a new pyroelectric method by Asbani, B., Dellis, J.-L., Gagou, Y., Kaddoussi, H., Lahmar, A., Amjoud, M., Mezzane, D., Kutnjak, Z., El Marssi, M.

“…The present letter explores the electrocaloric effect (ECE) in the lead-free oxide Ba0.8Ca0.2Ti0.95Ge0.05O3 ceramics (BCTG). The electrocaloric responsivity…”
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Switching Properties of Ferroelectric Perovskite Superlattices by Sidorkin, A. S., Nesterenko, L. P., Gagou, Y., Saint-Gregoire, P., Pakhomov, A. Yu, Popravko, N. G.

“…Structural, dielectric and switching properties of epitaxial ferroelectric superlattices (SL) of barium zirconate BaZrO 3 /barium titanate BaTiO 3 are…”
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Oxygen-deficient GdK2Nb5O15 ferroelectric epitaxial thin film by Allouche, B., Gagou, Y., Le Marrec, F., Fremy, M.-A., El Marssi, M.

“…The ferroelectric compound GdK2Nb5O15 (GKN) thin film with tetragonal-tungsten-bronze-type structure was grown by pulsed-laser deposition on…”
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