Search Results - "Chaves de Andrade, Andre Vitor"

Thermal, structural and optical properties of TeO2–Na2O–TiO2 glassy system by Gunha, Jaqueline Valeski, Gonçalves, Anderson, Somer, Aloisi, de Andrade, André Vitor Chaves, Dias, Daniele Toniolo, Novatski, Andressa

“…In this work, 80TeO 2 –(20 − x) Na 2 O–xTiO 2 (x = 0, 5, 10 and 20) mol% glasses by melting quenching technique were obtained. Density (ρ) and molar volume (V…”
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Production of brown inorganic pigments with spinel structure using spent zinc-carbon batteries by Tanna Elyn Rodrigues Fiuza, Daiane Göttert, Laura Jane Pereira, Sandra Regina Masetto Antunes, André Vitor Chaves de Andrade, Augusto Celso Antunes, Éder Carlos Ferreira de Souza

“…In recent years, there has been an increase in the production of zinc-carbon batteries to fulfil the demand for portable energy. This has led to an increase in…”
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Synthesis of Brown Inorganic Pigments with Spinel Structure from the Incorporation of Spent Alkaline Batteries by Almeida, Letícya Jéssica, Grzebielucka, Edson Cezar, Antunes, Sandra Regina Masetto, Borges, Christiane Philippini Ferreira, Andrade, André Vitor Chaves de, Souza, Éder Carlos Ferreira de

“…In this work, inorganic pigments were synthesized by solid state reaction, from the incorporation of components of exhausted alkaline batteries. For this,…”
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Fe-Doping Effect on the Bi3Ni Superconductor Microstructure by Gonsalves, Silvio Henrique, Monteiro, João Frederico Haas Leandro, Leal, Adriane Consuelo Da Silva, Andrade, André Vitor Chaves de, Souza, Gelson Biscaia de, Siqueira, Ezequiel Costa, Serbena, Francisco Carlos, Jurelo, Alcione Roberto

“…The substitution effects of Fe ion on the structure of the intermetallic Bi3Ni1-xFex (0 ≤ x ≤ 0.10) superconductor were studied. The morphology of samples…”
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Anthocyanin from Vitis labrusca grape used as sensitizer in DSSC solar cells by Szostak, Rodrigo, de Souza, Eder Carlos Ferreira, Antunes, Sandra Regina Masetto, Borges, Christiane Philippini Ferreira, de Andrade, André Vitor Chaves, Rodrigues, Paulo Rogério Pinto, Antunes, Augusto Celso

“…Dye sensitized solar cells or “Grätzel” cells are electrochemical devices capable of performing the direct conversion of light into electricity and are less…”
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Processing influence in the CaCu3Ti4O12 electrical properties by Kozlinskei, Lucas Lion, de Andrade Paes, Alisson T., Grzebielucka, Edson Cezar, Borges, Christiane Philippini F., de Andrade, André Vitor Chaves, de Souza, Eder Carlos F., Antunes, Sandra Regina M.

“…CaCu 3 Ti 4 O 12 (CCTO) is a complex oxide with a perovskite structure that is widely studied due to its dielectric and non-ohmic properties. The formation and…”
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Iron-based inorganic pigments from residue: Preparation and application in ceramic, polymer, and paint by Fiuza, Tanna Elyn Rodrigues, Borges, José Flávio Marcelino, Cunha, João Batista Marimon da, Antunes, Sandra Regina Masetto, Andrade, André Vitor Chaves de, Antunes, Augusto Celso, Souza, Éder Carlos Ferreira de

“…Alternative orange to dark red pigments were produced by purifying scum ashes from anaerobic treatment of domestic sewage. Scum samples collected a year apart…”
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Superconductivity and magnetism in intermetallic Bi3Ni1−xFex superconductor by Gonsalves, Silvio Henrique, Opata, Yuri Aparecido, Pinheiro, Lincoln Brum Leite Gusmão, Da Silva Leal, Adriane Consuelo, Monteiro, João Frederico Haas Leandro, Siqueira, Ezequiel Costa, de Andrade, André Vitor Chaves, Jurelo, Alcione Roberto

“…In this work, we investigated the apparent coexistence of superconductivity and magnetism in polycrystalline Bi3Ni1−xFex samples for low concentrations of iron…”
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Synthesis and characterization of Fe3+ doped cerium–praseodymium oxide pigments by Olegário, Renata Cristina, Ferreira de Souza, Eder Carlos, Marcelino Borges, José Flávio, Marimon da Cunha, João Batista, Chaves de Andrade, André Vitor, Masetto Antunes, Sandra Regina, Antunes, Augusto Celso

“…Inorganic pigments based on (0.95−x)CeO2.(0.05)Pr6O11.(x)α-Fe2O3 (x = 0.00; 0.01; 0.02; 0.03 and 0.04) were synthesized by the solid state reaction method at…”
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Improvement in varistor properties of CaCu3Ti4O12 ceramics by chromium addition by Grzebielucka, Edson Cezar, Leandro Monteiro, João Frederico Haas, de Souza, Eder Carlos Ferreira, Ferreira Borges, Christiane Philippini, de Andrade, André Vitor Chaves, Cordoncillo, Eloísa, Beltrán-Mir, Héctor, Antunes, Sandra Regina Masetto

“…[Display omitted] •Add of chromium to CaCu3Ti4-xCrxO12 (CCTO) system.•The substitution of Cr(III) on the Ti(IV) site occurs for maximum of 0.025 mol %.•Low…”
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Synthesis and characterization of pigments of the LaAl1−xFexO3 system – Application in ceramic and polymer by Maranha, Filipy Gobbo, Fiuza, Tanna Elyn Rodrigues, Souza, Eder Carlos Ferreira de, Borges, José Flávio Marcelino, Cunha, João Batista Marimon da, Andrade, André Vitor Chaves de, Antunes, Sandra Regina Masetto, Antunes, Augusto Celso

“…Pigments from the LaAl1−xFexO3 (x = 0.00 to 1.00) system were synthesized through the citrate method and thermally treated at 910 °C for 4 h. The samples…”
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Influence of Nb2O5 on the varistor behavior of TiO2–Cr2O3 system by Follador Neto, Ricardo Guido, de Souza, Eder Carlos Ferreira, de Andrade, André Vitor Chaves, Antunes, Sandra Regina Masetto, Antunes, Augusto Celso

“…This work investigated the influence of Nb 2 O 5 dopant on the varistor behavior of the ternary system (99.95 − x)%TiO 2 , 0.05 %Cr 2 O 3 , x%Nb 2 O 5 , where…”
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Spectroscopic, mineralogical and photocatalytic characterization of bentonite clay: A jointed DFT and experimental approach by Lacerda, Elenice Hass Caetano, Lacerda, Luis Henrique da Silveira, Andrade, André Vitor Chaves de, Fujiwara, Sérgio Toshio, Kloss, Juliana Regina

“…[Display omitted] •Mineralogical and spectroscopic characterization of bentonite clay.•Photocatalytic properties of bentonite clays were…”
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Synthesis of zeolites from residual diatomite using a microwave-assisted hydrothermal method by Stafin, Geovana, Grzebielucka, Edson Cezar, Antunes, Sandra Regina Masetto, Borges, Christiane Philippini Ferreira, de Andrade, André Vitor Chaves, Alves, Suellen Aparecida, de Souza, Éder Carlos Ferreira

“…[Display omitted] •Zeolites synthesized from diatomite obtained from waste.•The microwave-assisted hydrothermal process makes it easier to obtain…”
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Effect of Pr6O11 doping in electrical and microstructural properties of SnO2-based varistors by Irion, Hervê Stangler, Souza, Eder Carlos Ferreira de, Andrade, André Vitor Chaves de, Antunes, Sandra Regina Masetto, Antunes, Augusto Celso

“…The influence of the dopant Pr6O11 was investigated with regard to the electrical and microstructural properties of the system…”
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Synthesis and characterization of CeO2·α-Fe2O3 and CeO2·Pr6O11 ceramic pigments through the solid state reaction and modified sol–gel method by Olegário, Renata Cristina, Souza, Eder Carlos Ferreira de, Borges, José Flávio Marcelino, Cunha, João Batista Marimon da, Andrade, André Vitor Chaves de, Antunes, Sandra Regina Masetto, Antunes, Augusto Celso

“…Ceramic pigments, CeO2·α-Fe2O3 and CeO2·Pr6O11 systems, were synthesized through the solid state reaction at 1300 °C/3 h and modified sol–gel method at…”
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A experiência das disciplinas de formação docente em ensino de Física no MNPEF-UEPG: proposta pedagógica, reflexões e ações by Rutz da Silva, Silvio Luiz, Brinatti, André Maurício, Chaves de Andrade, André Vitor

“…Neste trabalho, relatamos uma experiência de planejamento de atividades pedagógicas, na qual o modelo de ensino empregado foi a construção do conhecimento a…”
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Synthesis and characterization of CeO sub(2). alpha -Fe sub(2)O sub(3) and CeO sub(2).Pr sub(6)O sub(11) ceramic pigments through the solid state reaction and modified sol-gel method by Olegario, Renata Cristina, de Souza, Eder Carlos Ferreira, Borges, Jose Flavio Marcelino, da Cunha, Joao Batista Marimon, de Andrade, Andre Vitor Chaves, Antunes, Sandra Regina Masetto, Antunes, Augusto Celso

“…Ceramic pigments, CeO sub(2). alpha -Fe sub(2)O sub(3) and CeO sub(2).Pr sub(6)O sub(11) systems, were synthesized through the solid state reaction at 1300…”
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Synthesis and characterization of Fe3+ doped ceriumapraseodymium oxide pigments by Olegario, Renata Cristina, Ferreira de Souza, Eder Carlos, Marcelino Borges, Jose Flavio, Marimon da Cunha, Joao Batista, Chaves de Andrade, Andre Vitor, Masetto Antunes, Sandra Regina, Antunes, Augusto Celso

“…Inorganic pigments based on (0.95-x)CeO2.(0.05)Pr6O11.(x) alpha -Fe2O3 (xANB=ANB0.00; 0.01; 0.02; 0.03 and 0.04) were synthesized by the solid state reaction…”
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Effect of [Pr.sub.6][O.sub.11] doping in electrical and microstructural properties of Sn[O.sub.2]-based varistors/Efeito da dopagem com [Pr.sub.6][O.sub.11] nas propriedades eletricas e microestruturais de varistores a base de Sn[O.sub.2] by Irion, Herve Stangler, de Souza, Eder Carlos Ferreira, de Andrade, Andre Vitor Chaves, Antunes, Sandra Regina Masetto, Antunes, Augusto Celso

“…The influence of the dopant [Pr.sub.6][O.sub.11] was investigated with regard to the electrical and microstructural properties of the system…”
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