A versatile approach for the preparation of ceramics with porosity gradient: by using manganese and tin oxides as a model. Abstract: Porous ceramics that exhibit porosity gradient are considered promising materials from the industrial point […]
Writers: Anderson A. Felix and Vinícius D.N. Bezzon and Marcelo O. Orlandi and Damjan Vengust and Matjaž Spreitzer and Elson Longo and Danilo Suvorov and José A. Varela Keywords: CaCu3Ti4O12; Oxygen partial pressure; Phase stability; Non-stoichiometry; Grain […]
Foi finalizada na última semana a pesquisa de doutorado da pesquisadora Lílian Menezes de Jesus, orientada pelo docente do CCMC Prof. Jean-Claude M’Peko. A defesa da tese de doutorado intitulada “Processamento convencional, a laser e […]
Writers: Mayra D. Gonçalves, Flavio L. Souza, Elson Longo, Edson R. Leite, Emerson R. Camargo Keywords: PZT; Chemical synthesis; Dielectric response; Sintering; Ceramics Abstract: Highly reactive lead zirconate titanate powders (PZT) with different compositions were […]
Writers: Marcelo Moizinho Oliveira , Pedro Alberto Pavão Pessoa, Ronilson Lopes Brito, José Hilton Gomes Rangel, Jomar Sales Vasconcelos, Elson Longo. Keywords: electrical properties; WO3; varistors Resumo: Varistores são elementos que fazem parte do sistema de transmissão e distribuição de energia elétrica ou de […]
Writers: Glenda Biasotto, Maria G.A. Ranieri, Cesar R. Foschini, Alexandre Z. Simões, Elson Longo, Maria A. Zaghete Keywords: Ceramics; Chemical synthesis; Crystal growth Abstract: Good quality zinc oxide ZnO films were deposited on alumina substrates by the polymeric […]
Writers: Tanmaya Badapanda, Laécio Santos Cavalcante, Geraldo Eduardo da Luz Jr, Nouga Cardoso Batista, Shahid Anwar, Elson Longo Keywords: Ceramics; Spectroscopy; Study Abstract: In the current article, we studied the effect of yttrium [Y3+] ions’ substitution on the structure and electric behavior of barium zirconate titanate (BZT) ceramics with a general formula [Ba1−xY2x/3](Zr0.25Ti0.75)O3 (BYZT) […]
Writers: A. Mesquita, A. Michalowicz, V. R. Mastelaro Keywords: Dielectric Permittivity; Ferroeletrics; Lead Zirconate Titanate; PCZT; PSZT; PZT; XANES Abstract: This paper reports the influence of Sr- and Ca-substitution on the structural and ferroelectric properties of Pb1–x […]
Writers: E.C. Aguiar; M.A. Ramirez; F. Moura; J.A. Varela; E. Longo; A.Z. Simões Keywords: A. Ceramics; B. Chemical syntheses; B. Powder metallurgy; C. X-Ray diffraction Abstract: This paper describes research on a simple low-temperature synthesis […]
Writers: Eduardo Antonellia , Ronaldo S. da Silvab , Maria I. B. Bernardic , Antonio C. Hernandes Keywords: barium zirconium titanate; thick films; electrophoretic deposition; ferroelectric Abstract: The present study reports the results of thick films (20-130 µm) […]
Copyright © 2018 | Centro de Desenvolvimento de Materiais Funcionais