Search Results - "Guerra, D.S."

Innovative multifunctional hybrid photoelectrode design based on a ternary heterojunction with super-enhanced efficiency for artificial photosynthesis by dos Santos, Wayler S., Carmo, Éder J., Mendez-González, Yanela, Nascimento, Lucas L., Patrocínio, Antônio O. T., Guo, Ruyan, Bhalla, Amar S., M’Peko, Jean-Claude, Guerra, José D. S.

“…Electrochemical cells for direct conversion of solar energy to electricity (or hydrogen) are one of the most sustainable solutions to meet the increasing…”
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Improved electrocaloric properties in La doped (Bi0.5Na0.5)0.92Ba0.08TiO3 lead-free ceramics by Mendez-González, Y., Peláiz-Barranco, A., Guerra, J. D. S.

“…The electrocaloric effect of (Bi0.5Na0.5)0.92Ba0.08–3x/2LaxTiO3 lead free ceramics with x = 0, 0.01, 0.02, and 0.03 was investigated by an indirect method. A…”
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Features of the structural and dielectric properties in BaTi1- x Sn x O3 ferroelectric ceramics by Dornelas, R. G. F., Silva, A. C., Garcia, J. E., Guerra, J. D. S.

“…The demand to produce clean energy has been increasing over the last years due to the various climate changes, which are strongly afflicting the world…”
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Lanthanum-doped Bi5Fe0.5Co0.5Ti3O15 multiferroic Aurivillius phase with improved magnetization by González-Abreu, Y., Peláiz-Barranco, A., Faloh-Gandarilla, J., Rivas-Gutierrez, A., Díaz-Castañón, S., Guerra, J.D.S.

“…Bi4.2La0.8Fe0.5Co0.5Ti3O15 multiferroic ceramic system was obtained by conventional solid-state reaction method. Structural characterization from X-ray…”
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Enhanced electron lifetime in bismuth-vanadium-oxide based bifunctional hybrid photoactive heterostructures by dos Santos, Wayler S., Carmo, Éder J., Nascimento, Lucas L., Patrocínio, Antônio O.T., Guo, Ruyan, Bhalla, Amar S., Guerra, José D.S.

“…The present work reports a systematic study on the structural, optoelectronic and photoelectrochemical properties in bismuth-vanadium-oxide (BVO) based thin…”
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Multifunctional response of lanthanum-modified PZT relaxor ferroelectric system with improved electrocaloric effect and energy storage performance by Peláiz-Barranco, A., Yang, Tongqing, García-Zaldívar, O., Calderón-Piñar, F., Guerra, J.D.S.

“…A systematic investigation of both electrocaloric effect (ECE) and energy storage properties is presented in the Pb0.88La0.08(Zr0.60Ti0.40)O3 relaxor system…”
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Enhanced electrocaloric effect in La-based PZT antiferroelectric ceramics by Mendez-González, Y., Peláiz-Barranco, A., Yang, Tongqing, Guerra, J. D. S.

“…The electrocaloric effect (ECE) has been investigated in (Pb0.98La0.02)(Zr0.95Ti0.05)0.995O3 antiferroelectric ceramics obtained via the solid-state reaction…”
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DEVELOPMENT OF GLOMERELLA LEAF SPOT IS ENHANCED IN VIRUS-INFECTED MAXI GALA APPLES by Guerra, D.S., Nickel, O., Del Ponte, E.M., Sanhueza, R.M.V., Fajardo, T.V.M., Marodin, G.A.B.

“…Apples are commercially grown in Brazil in a subtropical environment that favors the development of fungal diseases such as Glomerella leaf spot (GLS) caused…”
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Influence of the synthesis method on the microstructural properties of Ta modified AgNbO3 ferroelectric thin films by Mendez-González, Y., Agulló-Rueda, F., Torres-Costa, V., García, A. Fernández, Guerra, J.D.S., Silvan, M. Manso

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Effect of the DC-bias electric field on the phase transition characteristics in PMN ceramics by Lima, E. C., Guerra, J. D. S., Araujo, E. B.

“…Relaxor ferroelectrics play an important role for technological applications, mainly for using in the fabrication of actuators, transducers and sensors…”
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Electrocaloric effect, pyroelectric response and energy storage performance of lanthanum-modified PZT relaxor ferroelectric ceramic by Pérez-Martín, Y., Peláiz-Barranco, A., García-Zaldívar, O., Calderón-Piñar, F., Yang, Tongqing, Paiva, P.M., Silva, A.C., Guerra, J.D.S.

“…Pb0·85La0·10Zr0·60Ti0·40O3 ferroelectric ceramic system was synthesized via the conventional solid-state reaction sintering route. A systematic study on the…”
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Effect of the lanthanum concentration on the physical properties of the (Bi0.5Na0.5)0.92Ba0.08-3x/2LaxTiO3 ceramic system by Mendez-González, Y., Peláiz-Barranco, A., Guerra, J.D.S., Pentón-Madrigal, A., Saint-Grégoire, P.

“…The influence of lanthanum concentration on the structural, ferroelectric and dielectric properties of BNT–BT ceramic compounds with a composition close to the…”
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Role of the rare-earth doping on the multiferroic properties of BaTiO3: First-principles calculation by Aslla-Quispe, A.P., Miwa, R.H., Guerra, J.D.S.

“…Ab-initio spin-polarized Density Functional Theory plusU is used to study the electronic and magnetic properties of tetragonal doped barium titanate…”
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Raman spectroscopy study of the La‐modified (Bi0.5Na0.5)0.92Ba0.08TiO3 lead‐free ceramic system by Mendez‐González, Y., Peláiz‐Barranco, A., Curcio, A.L., Rodrigues, A.D., Guerra, J.D.S.

“…A Raman spectroscopy study has been performed, at room temperature, on the (Bi0.5Na0.5)0.92Ba0.08‐3x/2LaxTiO3 lead‐free ceramic system (with x = 0, 1, 2, and 3…”
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Structural evolution of La-modified AgNbO3 lead-free ceramics: Perspective from octahedral tilting and tolerance factor by Jesus, K.F.S., Silva, A.C., Mendez-González, Y., Guo, R., Bhalla, A.S., Guerra, J.D.S.

“…Systematic studies on the structural and microstructural properties as a function of the lanthanum concentration have been performed in AgNbO3-based lead-free…”
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The effect of La-substitution on the energy-storage properties of NBT–BT lead-free ceramics by Mendez-González, Y., Peláiz-Barranco, A., Guerra, J. D. S.

“…The energy-storage properties have been investigated as a function of the temperature and frequency in (Bi 0.5 Na 0.5 ) 0.92 Ba 0.08-3 x /2 La x TiO 3…”
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Synthesis and structural characterization of PVDF-based lead-free ceramic composites by Falcão, E. A., Silva, A. C, Guo, R., Bhalla, A. S., Guerra, J. D. S.

“…PVDF-based compounds are one of the most promising materials for technological application. In this work, structural and optical techniques have been used to…”
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Ab initio study of samarium doped barium titanate by Aslla-Quispe, A. P., Cruz-Yupanqui, G. M., Miwa, R. H., Guerra, J. D. S.

“…We used the density functional theory with spin polarization to investigate multifunctional properties of the Sm-doped BaTiO 3 system (Ba 1- x Sm x TiO 3 )…”
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Figures of merit of PLZT ferroelectric ceramics for practical applications by Guerra, J. D. S., Peláiz-Barranco, A., Silva, A. C., Calderón-Piñar, F., Iglesias-Jaime, A. C.

“…Structural, microstructural and pyroelectric properties were investigated in PZT-based ferroelectric ceramics for a composition close to the morphotropic phase…”
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Raman spectroscopy investigation on (Pb1−xLax)(Zr0.90Ti0.10)1−x/4O3 ceramic system by Peláiz-Barranco, A., González-Abreu, Y., Gagou, Y., Saint-Grégoire, P., Guerra, J.D.S.

“…A Raman spectroscopy study at room temperature was carried out on (Pb1−xLax)(Zr0.90Ti0.10)1−x/4O3 ceramics (x=2, 3, 4at%). The results were analyzed…”
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