Search Results - "Franco, R.W.A."

Letter to the editor: Commentary on “reversible redox behavior of Fe2O3/TiO2 composites in the gaseous photodegradation process” (https://doi.org/10.1016/j.ceramint.2019.03.255) by Franco, R.W.A.

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FeIII in pottery: Identifying firing temperature and ambiguity by Lima, D.F., Toledo, R., Martins, A., Lima, T.O., Bertolino, L.C., Franco, R.W.A.

“…Firing parameters for archaeological pottery were estimated from the coincidence between iron concentration (FeIII) in the pottery and in a clay specimen, both…”
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Fe3+ in pottery: Distinction of the use for cooking and production parameters by Mangueira, G.M., Teixeira, S., Silva, F.A., Franco, R.W.A.

“…The estimated firing temperature and atmosphere in which a piece of pottery was produced can be identified by comparing the concentration of Fe3+ between the…”
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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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Vanadium characterization in BTO: V sillenite crystals by Carvalho, J.F., Franco, R.W.A., Magon, C. J., Nunes, L.A.O., Pellegrini, F., Hernandes, A.C.

“…Visible and Infrared Optical Absorption and Electron Paramagnetic Resonance (EPR) techniques have been used to characterize the intrinsic defects in sillenite…”
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Evaluation of archeothermometric methods in pottery using electron paramagnetic resonance spectra of iron by Mangueira, G.M., Toledo, R., Teixeira, S., Franco, R.W.A.

“…Knowing the techniques mastered by ancestors in their production of pottery can help understand their habits and skills, therefore increasing the understanding…”
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A study of the firing temperature of archeological pottery by X-ray diffraction and electron paramagnetic resonance by Mangueira, G.M., Toledo, R., Teixeira, S., Franco, R.W.A.

“…A fragment of an archeological funerary urn from Campos dos Goytacazes, Brazil, was studied using electron paramagnetic resonance (EPR) and X-ray diffraction…”
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Thermal properties measurements in biodiesel oils using photothermal techniques by Castro, M.P.P., Andrade, A.A., Franco, R.W.A., Miranda, P.C.M.L., Sthel, M., Vargas, H., Constantino, R., Baesso, M.L.

“…In this Letter, thermal lens and open cell photoacoustic techniques are used to measure the thermal properties of biodiesel oils. The absolute values of the…”
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Magnetic resonance study of the crystallization behavior of InF3-based glasses doped with Cu2+, Mn2+ and Gd3 by Franco, R.W.A., Lima, J.F., Magon, C.J., Donoso, J.P., Messaddeq, Y.

“…The crystallization of fluoroindate glasses doped with Gd3+, Mn2+ and Cu2+ heat treated at different temperatures, ranging from the glass transition…”
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Photoluminescence in quasi-amorphous Pb0.8X0.2Zr0.53Ti0.47O3 (X=Ca, Sr and Ba) powders: An optical and structural study by Longo, V.M., Silva, M.S., de Figueiredo, A.T., Franco, R.W.A., Vila, C., Cilense, M., Varela, J.A., Longo, E., Andrés, J.

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Photoluminescence in quasi-amorphous Pb 0.8X 0.2Zr 0.53Ti 0.47O 3 (X = Ca, Sr and Ba) powders: An optical and structural study by Longo, V.M., Silva, M.S., de Figueiredo, A.T., Franco, R.W.A., Vila, C., Cilense, M., Varela, J.A., Longo, E., Andrés, J.

“…The appearance of breaking symmetry processes leading non-ideal octahedra, and dodecahedra network clusters are an essential ingredient for the…”
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METABOLOMIC INVESTIGATION OF FRUIT FLESH GELLING OF PAPAYA FRUIT (CARICA PAPAYA L. 'GOLDEN') BY NUCLEAR MAGNETIC RESONANCE AND PRINCIPLE COMPONENT ANALYSIS by Schripsema, J., Vianna, M.D., Rodrigues, P.A.B., de Oliveira, J.G., Franco, R.W.A.

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Nuclear magnetic resonance study of PEO-based composite polymer electrolytes by Bloise, A.C., Tambelli, C.C., Franco, R.W.A., Donoso, J.P., Magon, C.J., Souza, M.F., Rosario, A.V., Pereira, E.C.

“…The effect of carbon black and ceramic (α-Al 2O 3 and γ-Al 2O 3) particles on the cationic and polymer chain mobility have been investigated in poly(ethylene…”
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Identification of irradiation treatment in black pepper by electron paramagnetic resonance by Franco, R.W.A, Martin-Neto, L, Kato, M.S.A, Furlan, G.R, Walder, J.M.M, Colnago, L.A

“…Electron paramagnetic resonance spectroscopy was applied to study free radicals in black pepper, and to evaluate the potential of these radicals in identifying…”
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Surface Characterisation of V2O5/TiO2 Catalytic System by Rodella, C.B., Nascente, P.A.P., Franco, R.W.A., Magon, C.J., Mastelaro, V.R., Florentino, A.O.

“…Samples of the V2O5/TiO2 system were prepared by the sol–gel method and calcined at different temperatures. Surface species of vanadium, their dispersion, as…”
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Optical and magnetic characterization of pure and vanadium-doped Bi 12TiO 20 sillenite crystals by Carvalho, J.F, Franco, R.W.A, Magon, C.J, Nunes, L.A.O, Hernandes, A.C

“…Visible and Infrared (IR) optical absorption, Raman scattering and Electron Paramagnetic Resonance (EPR) techniques were used for systematic characterization…”
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NMR and DSC study of polymer electrolyte–Carbon Black composites by Franco, R.W.A, Donoso, J.P, Magon, C.J, Pernaut, J.M, de Souza, P.P

“…Measurements of 1H nuclear magnetic resonance (NMR) and differential scanning calorimetry (DSC) are reported for the composite formed by poly(ethylene oxide)…”
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Optical and magnetic characterization of pure and vanadium-doped Bi12TiO20 sillenite crystals by CARVALHO, J. F, FRANCO, R. W. A, MAGON, C. J, NUNES, L. A. O, HERNANDES, A. C

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Electric and magnetic properties of polymer electrolyte/carbon black composites by Franco, R.W.A, Donoso, J.P, Magon, C.J, Rodella, C.B, Florentino, A.O, Saeki, M.J, Pernaut, J.M, de Oliveira, A.L

“…Measurements of 1H Nuclear Magnetic Resonance (NMR) relaxation times, Electron Paramagnetic Resonance (EPR) and AC Impedance Spectroscopy (IS) are reported for…”
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Thermal-lens and photo-acoustic methods for the determination of SiC thermal properties by Anjos, V., Bell, M.J.V., de Vasconcelos, E.A., da Silva, E.F., Andrade, A.A., Franco, R.W.A., Castro, M.P.P., Esquef, I.A., Faria, R.T.

“…In this paper we report the use of photothermal techniques such as Thermal lens (TL) spectrometry, Photoacoustic and heat capacity, ρcp, to determine the…”
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