Search Results - "J.P.B. Silva"

Microstructure tailoring for enhancing the energy storage performance of 0.98[0.6Ba(Zr0.2Ti0.8)O3-0.4(Ba0.7Ca0.3)TiO3]-0.02BiZn1/2Ti1/2O3 ceramic capacitors by Jayakrishnan, A.R., Karthik Yadav, Penna Venkata, Silva, J.P.B., Sekhar, K.C.

“…In this work, we introduce a new approach to enhance the energy storage properties of 0.98[0.6Ba(Zr0.2Ti0.8)O3-0.4(Ba0.7Ca0.3)TiO3]-0.02BiZn1/2Ti1/2O3…”
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Semiconductor/relaxor 0–3 type composites: A novel strategy for energy storage capacitors by Jayakrishnan, A.R., Silva, J.P.B., Kamakshi, K., Annapureddy, V., Mercioniu, I.F., Sekhar, K.C.

“…We report a novel strategy to enhance the dielectric breakdown strength and the energy storage performance of lead-free relaxor ferroelectric ceramics through…”
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Are lead-free relaxor ferroelectric materials the most promising candidates for energy storage capacitors? by Jayakrishnan, A.R., Silva, J.P.B., Kamakshi, K., Dastan, D., Annapureddy, V., Pereira, M., Sekhar, K.C.

“…Dielectric capacitors offer high-power density and ultrafast discharging times as compared to electrochemical capacitors and batteries, making them potential…”
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Shape-controlled monolayer MoSe2 flakes by chemical vapor deposition towards tuning the photoluminescence emission by González, C., Silva, J.P.B., Viana, A.S., Gwozdz, K., Conde, O.

“…•Controllable CVD synthesis of monolayer MoSe2 flakes with different morphologies.•MoSe2 triangles, fractals and hexagons were obtained via gas flow…”
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Composition-dependent xBa(Zr0.2Ti0.8)O3-(1-x)(Ba0.7Ca0.3)TiO3 bulk ceramics for high energy storage applications by Jayakrishnan, A.R., Alex, Kevin V., Thomas, Athul, Silva, J.P.B., Kamakshi, K., Dabra, Navneet, Sekhar, K.C., Agostinho Moreira, J., Gomes, M.J.M.

“…This work reports the composition dependent microstructure, dielectric, ferroelectric and energy storage properties, and the phase transitions sequence of lead…”
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Ferroelectric properties of ZrO2 films deposited on ITO-coated glass by Silva, J.P.B., Sekhar, K.C., Negrea, R.F., Ghica, C., Dastan, D., Gomes, M.J.M.

“…In this work, the ferroelectric characteristics of ZrO2 thin films grown on ITO-coated glass have been investigated. The ferroelectric nature of the ZrO2 films…”
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Bi2ZnTiO6 thin films for next-generation photovoltaics: study of material properties characterization and deposition conditions optimization by Figueiras, F. G., Fernandes, J. R. A., Silva, José Pedro Basto, Alikin, D. O., Lourenço, A. C., Tavares, P. B.

“…"Journal Pre-proof" The perovskite-like oxide Bi2ZnTiO6 (BZT) combines a narrow band gap with significant ferroelectric polarization, key parameters for the…”
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Thickness-dependent microstructure, resistive switching, ferroelectric, and energy storage properties of pulsed laser deposited 0.85[0.6Ba(Zr0.2Ti0.8)O3-0.4(Ba0.7Ca0.3)TiO3]-0.15SrTiO3 thin films by Tasneem, Muhassinah, Monteiro, Carlos R.P., Kumar, N.S. Kiran, Silva, J.P.B., Sekhar, K.C., Kamakshi, K., Pereira, M.

“…In this work, we have studied the effect of thickness on structural, morphological, resistive switching (RS), ferroelectric, and energy storage properties of…”
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Annealing induced effect on the physical properties of ion-beam sputtered 0.5Ba(Zr0.2Ti0.8)O3 – 0.5(Ba0.7Ca0.3)TiO3-δ ferroelectric thin films by Oliveira, M.J.S., Silva, J.P.B., Veltruská, Kateřina, Matolín, V., Sekhar, K.C., Moreira, J. Agostinho, Pereira, M., Gomes, M.J.M.

“…[Display omitted] •Thermal annealing induced the annihilation of the oxygen vacancies in 0.5BZT–0.5BCT.•0.5BZT–0.5BCT films show a remarkable remnant…”
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Progress and perspective on different strategies to achieve wake-up-free ferroelectric hafnia and zirconia-based thin films by Silva, J.P.B., Sekhar, K.C., Negrea, R.F., MacManus-Driscoll, J.L., Pintilie, L.

“…•Ferroelectric binary oxides are of enormous interest for use a negative capacitance dielectrics in gate dielectrics to field-effect transistors (FETs), and in…”
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Effect of MgO doping on energy storage and electrocaloric properties of ferroelectric 0.6Ba(Zr0.2Ti0.8)O3–0.4(Ba0.7Ca0.3)TiO3 ceramics by Kumar, N.S. Kiran, Jayakrishnan, A.R., Silva, J.P.B., Sekhar, K.C.

“…This study highlights the effect of MgO doping on microstructure, dielectric, ferroelectric, energy storage and electrocaloric properties of lead-free…”
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Unraveling the resistive switching effect in ZnO/0.5Ba(Zr 0.2 Ti 0.8 )O 3 -0.5(Ba 0.7 Ca 0.3 )TiO 3 heterostructures by Silva, J.P.B., Vorokhta, M., Dvořák, F., Sekhar, K.C., Matolín, V., Moreira, J. Agostinho, Pereira, M., Gomes, M.J.M.

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Abnormal resistive switching in electrodeposited Prussian White thin films by Faita, F.L., Avila, L.B., Silva, J.P.B., Boratto, M.H., Cid, C.C. Plá, Graeff, C.F.O., Gomes, M.J.M., Müller, C.K., Pasa, A.A.

“…•Resistive switching was observed in uniform and homogeneous Prussian White (PW) layers.•The stable abnormal mechanism with ionic conduction and an activation…”
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Ferroelectric photovoltaic characteristics of pulsed laser deposited 0.5Ba(Zr0.2Ti0.8)O3-0.5(Ba0.7Ca0.3)TiO3/ZnO heterostructures by Silva, J.P.B., Sekhar, K.C., Cortés-Juan, F., Negrea, R.F., Kuncser, A.C., Connolly, J.P., Ghica, C., Moreira, J. Agostinho

“…[Display omitted] •0.5BZT-0.5BCT/ZnO heterostructures exhibited enhanced photovoltaic (PV) properties.•The enhanced PV effect is attributed to the perfect…”
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Ferroelectric polarization and resistive switching characteristics of ion beam assisted sputter deposited BaTiO 3 thin films by Silva, J.P.B., Kamakshi, Koppole, Sekhar, K.C., Moreira, J. Agostinho, Almeida, A., Pereira, M., Gomes, M.J.M.

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Ferroelectric polarization and resistive switching characteristics of ion beam assisted sputter deposited BaTiO3 thin films by Silva, J.P.B., Kamakshi, Koppole, Sekhar, K.C., Moreira, J. Agostinho, Almeida, A., Pereira, M., Gomes, M.J.M.

“…In this work, 150nm thick polycrystalline BaTiO3 (BTO) films were deposited on Pt/TiO2/SiO2/Si substrate by ion beam assisted sputter deposition technique. The…”
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Annealing induced effect on the physical properties of ion-beam sputtered 0.5 Ba(Zr0.2Ti0.8)O3 – 0.5 (Ba0.7Ca0.3)TiO3-δ ferroelectric thin films by Oliveira, M.J.S., Silva, J.P.B., Veltruská, Kateřina, Matolín, V., Sekhar, K.C., Moreira, J. Agostinho, Pereira, M., Gomes, M.J.M.

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Light controlled resistive switching and photovoltaic effects in ferroelectric 0.5Ba(Zr 0.2 Ti 0.8 )O 3 -0.5(Ba 0.7 Ca 0.3 )TiO 3 thin films by Silva, J.P.B., Kamakshi, K., Sekhar, K.C., Nóvoa, X.R., Queirós, E.C., Moreira, J. Agostinho, Almeida, A., Pereira, M., Tavares, P.B., Gomes, M.J.M.

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Unraveling the resistive switching effect in ZnO/0.5Ba(Zr0.2Ti0.8)O3-0.5(Ba0.7Ca0.3)TiO3 heterostructures by Silva, J.P.B., Vorokhta, M., Dvořák, F., Sekhar, K.C., Matolín, V., Moreira, J. Agostinho, Pereira, M., Gomes, M.J.M.

“…•ZnO/0.5BZT-0.5BCT heterostructures exhibited resistive switching (RS) ratio≥10 4.•Effect of oxygen pressure used in the deposition of ZnO on RS ratio is…”
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Light controlled resistive switching and photovoltaic effects in ferroelectric 0.5Ba(Zr0.2Ti0.8)O3-0.5(Ba0.7Ca0.3)TiO3 thin films by Silva, J.P.B., Kamakshi, K., Sekhar, K.C., Nóvoa, X.R., Queirós, E.C., Moreira, J. Agostinho, Almeida, A., Pereira, M., Tavares, P.B., Gomes, M.J.M.

“…In this work, the structural and ferroelectric properties of 0.5Ba(Zr0.2Ti0.8)O3-0.5(Ba0.7Ca0.3)TiO3 (0.5BZT-0.5BCT) thin films deposited at different pulse…”
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