Writers: R. M. Almeida; F. M. Matinaga; M. R. B. Andreeta; A. C. Hernandes; A. Dias; and R. L. Moreira Keywords: Polymorphic-Induced Transformations; Laser-Heated Pedestal Growth Abstract: Calcium tantalite (CaTa2O6) single crystal fibers were obtained […]
Writers: S. T. B. Salvi, S. G. Antonio, C. O. Paiva-Santos Keywords: Atenolol; X-ray powder diffraction; Rietveld Method; Le Bail Method; Pawley Method Abstract: Atenolol is the most used drug in Brazil to hypertension treatment. Two crystal structures are […]
Writers: F. A. La Porta, J. Andrés, M. S. Li, J. R. Sambrano, J. A. Varela, E. Longo Keywords: nanoparticles; method; performance Abstract: The influence of tetrabutylammonium hydroxide on the phase composition (cubic zinc blende versus hexagonal wurtzite) of ZnS […]
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: Larissa H. Oliveira; Ana Paula de Moura; Elson Longo; José A. Varela; Ieda L.V. Rosa Keywords: Rare earth alloys and compounds; Chemical synthesis; Optical properties Abstract: Rare earth complexes (RE) can be incorporated in […]
Writers: Ivana Cesarino, Vivian Cesarino, Fernando C. Moraes, Tanare C.R. Ferreira, Marcos R.V. Lanza, Lucia H. Mascaro, Sergio A.S. Machado Keywords: Nanostructures; Organic compounds; Electrochemical properties; Oxidation Abstract: In this study, a novel methodology for the electrochemical degradation of […]
Writers: Garcia-Fornaris, I. ; Millan, H. ; Jardim, R. F., Govea-Alcaide Keywords: superconductors; Abstract: We investigated the transport Barkhausen-like noise (TBN) by using nonlinear time series analysis. TBN signals were measured in (Bi,Pb)2Sr2Ca2Cu3O10+δ ceramic samples subjected to different […]
Writers: D. Melo; F.T.G. Vieira; T.C.C. Costa; L.E.B. Soledade; C.A. Paskocimas; D.M.A. Melo; E. Longo; E.P. Marinho; A.G. Souza; I.M.G. Santos Keywords: Polymeric precursor method; Perovskite; Black pigment; Lanthanum; Cobaltite; Solid solution Abstract: In this […]
Writers: M.G.A. Ranieri; E.C.Aguiar; M.Cilense; A.Z.Simões; J.A Varela. Keywords: A. Ceramics; B. Chemical syntheses; B. Powder metallurgy; C. X-ray diffraction. Abstract: Bismuth titanate templates (Bi4Ti3O12) were synthesized by the molten salt method in Na2SO4 and […]
Writers: Tiago Delbrücke; Rogério A. Gouvêa; Mário L. Moreira; Cristiane W. Raubach; José A. Varela; Elson Longo; Margarete R.F. Gonçalves; Sergio Cava Keywords: Sintered porous body; Chemically synthesized; Replica method in organic matrix; Al2O3; Thermal […]
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