Writers: Mario Cilense, Miguel A. Ramirez, Cesar R. Foschini, Daniela R. Leite, Alexandre Z. Simões, Welson Bassi, Elson Longo, José A. Varela Keywords: microstructure; Varistors Abstract: The effect of seed addition on the microstructure and non-ohmic properties of the […]
Writers: Tatiana A. Mulinari; Felipe A. La Porta; Juan Andrés; Mário Cilense; José A. Varela; and Elson Longo Abstract: An efficient microwave-hydrothermal (MAH) method has been developed for the synthesis of highly crystalline Co3O4 spinel […]
Writers: Mário L. Moreira; Juan Andrés; Lourdes Gracia; Armando Beltrán; Luciano A. Montoro; José A. Varela; and Elson Longo Keywords: Excited states; Cathodoluminescence; Crystal structure; Band structure; Optical properties Abstract: First-principles calculations set the comprehension […]
Writers: Mario J. Godinho; Caue Ribeiro; Rosana F. Gonçalves; Elson Longo; Edson R. Leite Keywords: Sintering; Nanocrystalline materials; Powder consolidation; Sol–gel; Fuel cell materials Abstract: An investigation on the sinterization of Gd:CeO2 (Ce0.85Gd0.15O1.9−δ ceramic system) 3–10 nm nanoparticles in pressed bodies was done. The heating […]
Writers: André C. Hernandes; André S. Brito; Henry Roncancio; Daniel V. Magalhães; Marcelo Becker; Rafael C. B. Sampaio; Björn T. Jensen Keywords: Sensors; Global Positioning System; Cameras; Accuracy; Laser radar; Receivers; Vehicles Abstract: According to […]
Writers: Saionara V. Costa, Agnaldo S. Gonçalves, Maria A. Zaguete, Talita Mazon and Ana F. Nogueira Keywords: carbon nanotube; cellulose; nanomaterial; zinc oxide; anisotropy; bacterial membrane; biosensor; chemical modification; chemical structure; Gluconacetobacter xylinus; nonhuman; structure […]
Writers: C.A. Oliveira, E. Longo, J.A. Varela, M.A. Zaghete Keywords: D. PZT; Polymeric precursor method; Microwave-assisted hydrothermal method; Ferroelectrics Abstract: Lead zirconate titanate (PZT) was synthesized at the ratio of Zr/Ti¼52/48 using two synthesis methods: the polymeric precursor […]
Writers: R.C. Deus, C.R. Foschini, B. Spitova, F. Moura, E. Longo, A.Z. Simões Keywords: Ceramics; Chemical syntheses; Powder metallurgy; X-ray diffraction Abstract: The structural and photoluminescence properties at room temperature of CeO2 nanoparticles synthesized by a microwave-assisted hydrothermal […]
Writers: Julia Wünsche, Fabio Cicoira, Carlos F. O. Graeff, Clara Santato Keywords: Bioelectronic applications; Bioelectronic device; Chemical compositions; Electrical characterization Abstract: Eumelanin pigments show hydration-dependent conductivity, broad-band UV-vis absorption, and chelation of metal ions. Solution-processing of synthetic […]
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