O LIEC desenvolve trabalhos na linha de investigação de materiais nanoestruturados (filmes finos e fibras) ferroelétricos e multiferróicos em nanoescala por meio da microscopia de piezo-resposta (PFM), utilizando-se de um microscópio de força atômica (AFM). […]
Writers: Cichetto, L; Sergeenkov, S; Diaz, JCCA; Longo, E; Araujo-Moreira, FM Keywords: ferroelectric capacitors; electrical-properties; decomposition; electrode; ablation; fatigue; silicon; growth; afm Abstract: We report the structural and transport properties of LaNiO3 thin films prepared by […]
Writers: Alexandre Mesquita, Alain Michalowicz, Jacques Moscovici, Paulo Sergio Pizani, Valmor Roberto Mastelaro Keywords: Ferroelectrics; Relaxor, PBZT; PZT, EXAFS; Raman Abstract: This paper reports on the structural characterization of Pb1−xBaxZr0.40Ti0.60O3 (PBZT) ferroelectric ceramic compositions prepared by […]
Writers: F.L. Zabotto and A.J. Gualdi and P.C. de Camargo and A.J.A. de Oliveira and J.A. Eiras and D. Garcia Keywords: Grain size effect; Magnetoelectric properties; PMN-PT; Ferroelectric Abstract: In this work, the influence of the grain coarsening […]
Writers: SILVA, R. S.; JESUS, L. M.; OLIVEIRA, T. C.; SAMPAIO, D. V.; SANTOS, J. C. A.; HERNANDES, Antônio Carlos. Keywords: Barium calcium titanate; Ferroelectric; Laser sintering; Translucent ceramics; Electro-optical devices Abstract: Multifunctional transparent ferroelectric ceramics […]
Writers: Alexandre Mesquita, Flavia Regina Estrada, Valmor Roberto Mastelaro, José Antônio Eiras, Ducinei Garcia Keywords: EXAFS, Pb1-xCaxTiO3, Structural Phase Transition, XANES Abstract: In order to characterize the local structure of Pb1-xCaxTiO3 (PCT) samples, Ti K-edge XANES measurements […]
Writers: V. D. Araújo, Fabiana V. Motta, Ana. P. A. Marques, Carlos A. Paskocimas, Maurício R. D. Bomio, Elson. Longo, José. A. Varela Keywords: Ferroelectric materials; polymerization method; X-ray; Raman spectroscopy Abstract: Ferroelectric materials, such as barium titanate (BaTiO3), have […]
Writers: C.R. Foschini; M.A. Ramirez; S.R. Simões; J.A. Varela; E. Longo; A.Z. Simões Keywords: A. Films; B. Interfaces; C. Dielectric properties; C. Ferroelectric properties Abstract: The multiferroic behavior with ion modification using rare-earth cations on […]
Writers: D.S.L. Pontes, F.M. Pontes, Marcelo A. Pereira-da-Silva, M. Zampieri, A.J. Chiquito, P.S. Pizani, E. Longo Keywords: Thin films; Buffer layers; Pb1−xCaxTiO3; Chemical synthesis Abstract: Structural, microstructural and ferroelectric properties of Pb0.90Ca0.10TiO3 (PCT10) thin films deposited using La0.50Sr0.50CoO3 (LSCO) thin films […]
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