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: Larissa H. Oliveira, Elaine C. Paris, Waldir Avansi, Miguel A. Ramirez, Valmor R. Mastelaro, Elson Longo, José A. Varela Keywords: Photoluminescence; X-ray Abstract: Ca1+xCu3−xTi4O12powders were synthesized by a conventionalsolid-state reaction. X-ray diffraction (XRD) was performedto verify the formation […]
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: C.R. Foschini, R. Tararam, A.Z. Simões, M. Cilense, E. Longo, J.A. Varela Keywords: Thin films; Chemical synthesis; X-ray diffraction; Electron microscopy Abstract: Calcium copper titanate, CaCu3Ti4O12, CCTO, thin films with polycrystalline nature have been deposited by RF […]
Writers: L.S. Cavalcante; N.C.Batista a, T.Badapanda; M.G.S.Costa; M.S.Li; W.Avansi; V.R.Mastelaro; E.Longo; J.W.M.Espinosa; M.F.C.Gurgel Keywords: Defects; Density functional theory calculations; X-ray absorption near-edge structure; Crystal structure; Optical properties Abstract: Ba(Zr0.75Ti0.25)O3 (BZT-75/25) powders were synthesized by the […]
Writers: A. Mesquita, B. M. Fraygola, V. R. Mastelaro, J. A. Eiras Keywords: X-ray; spectroscopy; multiferroic ceramics Abstract: The present paper is a comprehensive study concerning Fe K-edge X-ray absorption spectroscopy (XAS) measurements, which were performed to characterize the […]
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: Milan Zunic; Goran Brankovic; Cesar Renato Foschini; Mario Cilense; Elson Longo; José Arana Varela Keywords: Fuel cells; Anode; Cermet; Protonic conductor Abstract: Optimization of the major properties of anodes based on proton conductors, such […]
Writers: F. Moura; A.Z.Simões; R.C.Deus; M.R.Silva; J.A.Varela; E.Longo Keywords: A. Ceramics; B. Chemical syntheses; B. Powder metallurgy; C. X-ray diffraction Abstract: A study was undertaken about the structural and photoluminescent properties at room temperature of […]
Writers: Fauze A. Aouada, Luiz H.C. Mattoso, Elson Longo Keywords: Clay; mechanical properties; nanocomposites; reinforcement; thermal properties; X-ray Abstract: The aim of this article is to propose advances for the preparation of hybrid nanocomposites prepared by the combination […]
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