Writers: E.C. dos Santos; D.C. Freitas and I. Fier; J.C. Fernandes; M.A. Continentino; A.J.A. de Oliveira and L. Walmsley Keywords: A. Ludwigites; D. NDR; D. Joule heating; D. Charge order depinning; D. Oscillations Abstract: I–V curves showing negative differential resistance (NDR) are […]
Writers: Girija, K. and Thirumalairajan, S. and Mastelaro, Valmor R. and Mangalaraj, D. Keywords: Gas; Sensor; X-ray; nanostructures Abstract: In the present work{,} we have demonstrated the deposition of novel morphologically different [small beta]-Ga2O3 nanostructure […]
Writers: A.A. Felix, E. Longo, J.A. Varela, M.O. Orlandi Keywords: CaCu3Ti4O12; Thin film; Conductivity; Gas sensing; Thermopower measurement Abstract: In this work, CaCu3Ti4O12 (CCTO) thin films were synthesized with the polymeric precursor method and characterized […]
Writers: M.T.S. Tavares and M.M. Melo and V.D. Araújo and R.L. Tranquilin and C.R.R. Almeida and C.A. Paskocimas and M.R.D. Bomio and E. Longo and F.V. Motta Keywords: CaIn2O4; Ultrasonic spray pyrolysis; Nanocrystals; Photocatalysis; Photoluminescence; White-light Abstract: CaIn2O4 […]
Writers: AMARAL, Thiago Martins; ANTONELLI, Eduardo; OCHOA, Diego Alejandro; GARCÍA, José Eduardo; HERNANDES, Antônio Carlos Keywords: A. Sintering; Barium titanate; Layered ceramics; Dielectric; Ferroelectric and piezoelectric properties Abstract: The dielectric, pyroelectric and ferroelectric properties of bilayered BaTiO3/BaTi0.8Zr0.2O3 ceramics […]
Writers: S. Thirumalairajan and Valmor R. Mastelaro Keywords: CuAlO2; Hydrothermal; Self assembly; Microspheres; Toxic gas; XAS Abstract: Abstract In this paper, novel organic pollutants gas sensing material CuAlO2 microspheres constituted of nanoparticles were successfully prepared […]
Writers: R. Gonçalves and A.A. Correa and R. Pereira and E.C. Pereira Keywords: poly(3-hexylthiophene); impedance spectroscopy; electrochemical aging; electrochemical degradation Abstract: In this paper, the electrochemical ageing of poly(3-hexilthiophene) was studied using two different films electrodeposited under different […]
Writers: M.G.A. Ranieri and M. Cilense and E.C. Aguiar and C.C. Silva and A.Z. Simões and E. Longo Keywords: A. Ceramics; B. Chemical syntheses; B. Thin films; C. X-ray diffraction Abstract: Perovskite structured oxides are important functional materials often used […]
Writers: Wania Ap. Christinelli and Roger Gonçalves and Ernesto C. Pereira Keywords: Conducting polymers; Supercapacitors; Layer-by-layer films; Self-doping Abstract: Here we report supercapacitors fabricated with the layer-by-layer (LBL) technique using two polymers, namely poly(o-methoxyaniline) (POMA) and poly(3-thiophene acetic […]
Writers: Naiara L. Marana, Anderson R. Albuquerque, Felipe A. La Porta, Elson Longo, Julio R. Sambrano Keywords: ZnO nanotubes; DFT; Strain energy Abstract: Periodic density functional theory calculations with the B3LYP hybrid functional and all-electron […]
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