Search Results - "LONGO, V. M"

Electronic and Structural Properties of the (101̅0) and (112̅0) ZnO Surfaces by Marana, N. L, Longo, V. M, Longo, E, Martins, J. B. L, Sambrano, J. R

“…The structural and electronic properties of ZnO (101̅0) and (112̅0) surfaces were investigated by means of density functional theory applied to periodic…”
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Strong violet-blue light photoluminescence emission at room temperature in SrZrO3 : Joint experimental and theoretical study by LONGO, V. M, CAVALCANTE, L. S, VARELA, J. A, LONGO, Elson, ERLO, R, MASTELARO, V. R, DE FIGUEIREDO, A. T, SAMBRANO, J. R, DE LAZARO, S, FREITAS, A. Z, GOMES, L, VIEIRA, N. D

“…Ultrafine ordered and disordered SrZrO3 powders were prepared by the polymeric precursor method. The structural evolution from structural disorder to order was…”
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Toward an Understanding of Intermediate- and Short-Range Defects in ZnO Single Crystals. A Combined Experimental and Theoretical Study by Lima, R. C, Macario, L. R, Espinosa, J. W. M, Longo, V. M, Erlo, R, Marana, N. L, Sambrano, J. R, dos Santos, M. L, Moura, A. P, Pizani, P. S, Andrés, J, Longo, E, Varela, J. A

“…A joint use of experimental and theoretical techniques allows us to understand the key role of intermediate- and short-range defects in the structural and…”
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Influence of Structural Disorder on the Photoluminescence Emission of PZT Powders by Longo, E, de Figueiredo, A. T, Silva, M. S, Longo, V. M, Mastelaro, V. R, Vieira, N. D, Cilense, M, Franco, R. W. A, Varela, J. A

“…Intense and broad visible photoluminescent (PL) band was observed at room temperature in disordered Pb(Zr0,53Ti0,47)O3 powders. Structural order−disorder was…”
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SrZrO3 powders obtained by chemical method : Synthesis, characterization and optical absorption behaviour by CAVALCANTE, L. S, SIMOES, A. Z, SCZANCOSKI, J. C, LONGO, V. M, ERLO, R, ESCOTE, M. T, LONGO, E, VARELA, J. A

“…Strontium zirconate (SrZrO3) powders have been synthesized by the polymeric precursor method after heat treatment at different temperatures for 2h in oxygen…”
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Direct in situ observation of the electron-driven synthesis of Ag filaments on α-Ag2WO4 crystals by Longo, E., Cavalcante, L. S., Volanti, D. P., Gouveia, A. F., Longo, V. M., Varela, J. A., Orlandi, M. O., Andrés, J.

“…In this letter, we report, for the first time, the real-time in situ nucleation and growth of Ag filaments on α-Ag 2 WO 4 crystals driven by an accelerated…”
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Charge density alterations in human hair fibers: an investigation using electrostatic force microscopy by Longo, V. M., Monteiro, V. F., Pinheiro, A. S., Terci, D., Vasconcelos, J. S., Paskocimas, C. A., Leite, E. R., Longo, E., Varela, J. A

“…Synopsis A new method for high‐resolution analyses of hair surface charge density under ambient conditions is presented in this paper. Electrostatic force…”
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Towards an insight on photodamage in hair fibre by UV-light: An experimental and theoretical study by Longo, V. M., da Silva Pinheiro, A., Sambrano, J. R., Agnelli, J. A. M., Longo, E., Varela, J. A.

“…Synopsis Objectives In this research, an experimental and theoretical study was conducted to design a photodegradation mechanism of the amino acid tryptophan…”
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Histochemical and Morphometric Analyses of the Musculature of the Forelimb of the Subterranean Rodent Ctenomys talarum (Octodontoidea) by Alvarez, G. I., Díaz, A. O., Longo, M. V., Becerra, F., Vassallo, A. I.

“…Summary Histochemical and morphometric analyses were performed to characterize the fibre‐type composition of two forelimb muscles of the South American…”
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Disorder-dependent photoluminescence in Ba0.8Ca0.2TiO3 at room temperature by MOTTA, F. V, DE FIGUEIREDO, A. T, LONGO, V. M, MASTELARO, V. R, FREITAS, A. Z, GOMES, L, VIEIRA, N. D, LONGO, E, VARELA, J. A

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Exposure to microplastics via hemodialysis: differences between women and men by Fiore, M, Bivona, F, Palella, M, Fatuzzo, P M, Zanoli, L M, Timperanza, C, Longo, V M, Lo Cicero, L, Oliveri Conti, G, Ferrante, M

“…Abstract Background Hemodialysis (HD) may contribute to microplastics (MPs) burden in dialysis patients. The aim of the study was to estimate any differences…”
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Mechanisms behind blue, green, and red photoluminescence emissions in CaWO4 and CaMoO4 powders by Campos, A. B., Simões, A. Z., Longo, E., Varela, J. A., Longo, V. M., de Figueiredo, A. T., De Vicente, F. S., Hernandes, A. C.

“…A combined experimental and theoretical study was conducted to analyze the photoluminescence (PL) properties of ordered and disordered CaWO4 (CW) and CaMoO4…”
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A theoretical study on the photoluminescence of SrTiO3 by Gracia, L., Andrés, J., Longo, V.M., Varela, J.A., Longo, E.

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Highly intense violet-blue light emission at room temperature in structurally disordered SrZrO3 powders by Longo, V. M., Cavalcante, L. S., de Figueiredo, A. T., Santos, L. P. S., Longo, E., Varela, J. A., Sambrano, J. R., Paskocimas, C. A., De Vicente, F. S., Hernandes, A. C.

“…Violet-blue photoluminescence was produced at room temperature in a structurally disordered SrZrO3 perovskite structure with a 350.7nm excitation line. The…”
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Microwave-assisted hydrothermal synthesis of Ag2(W1-xMox)O4 heterostructures: Nucleation of Ag, morphology, and photoluminescence properties by Silva, M.D.P., Gonçalves, R.F., Nogueira, I.C., Longo, V.M., Mondoni, L., Moron, M.G., Santana, Y.V., Longo, E.

“…Ag2W1-xMoxO4 (x=0.0 and 0.50) powders were synthesized by the co-precipitation (drop-by-drop) method and processed using a microwave-assisted hydrothermal…”
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Photoluminescent behavior of SrZrO3/SrTiO3 multilayer thin films by Moreira, M.L., Andrés, J., Longo, V.M., Li, M.S., Varela, J.A., Longo, E.

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Structural XANES characterization of Ca0.99Sm0.01TiO3 perovskite and correlation with photoluminescence emission by de Figueiredo, A.T., Longo, V.M., da Silva, R.O., Mastelaro, V.R., Mesquita, A., Franco, R.W.A., Varela, J.A., Longo, E.

“…[Display omitted] ► Titanium XANES measurement. ► EPR measurement. ► Photoluminescence property. ► Cluster concept. In this work, CaTiO3:Sm (CT:Sm) were…”
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Understanding the origin of photoluminescence in disordered Ca0.60Sr0.40WO4: An experimental and first-principles study by Longo, V.M., Orhan, E., Cavalcante, L.S., Porto, S.L., Espinosa, J.W.M., Varela, J.A., Longo, E.

“…Visible photoluminescence (PL) was observed for the first time at room temperature in structurally disordered calcium strontium tungstate powder,…”
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Intense violet-blue photoluminescence in BaZrO3 powders : A theoretical and experimental investigation of structural order-disorder by CAVALCANTE, L. S, SCZANCOSKI, J. C, LONGE, V. M, DE VICENTE, F. S, SAMBRANO, J. R, DE FIGUEIREDO, A. T, DALMASCHIO, C. J, LI, M. Siu, VARELA, J. A, LONGO, E

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Photoluminescent behavior of SrBi2Nb2O9 powders explained by means of β-Bi2O3 phase by Volanti, D. P., Cavalcante, L. S., Paris, E. C., Simões, A. Z., Keyson, D., Longo, V. M., de Figueiredo, A. T., Longo, E., Varela, J. A., De Vicente, F. S., Hernandes, A. C.

“…Photoluminescence (PL) behavior of SrBi2Nb2O9 (SBN) powders was explained by means of β-Bi2O3 phase on the SBN lattice. Oxygen vacancies and recombination of…”
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