Search Results - "Papaleo, R."

Nanostructuring and hardening of LiF crystals irradiated with 3–15 MeV Au ions by Maniks, J., Manika, I., Grants, R., Zabels, R., Schwartz, K., Sorokin, M., Papaleo, R. M.

“…Modifications of the structure and mechanical properties in LiF crystals irradiated with MeV-energy Au ions have been studied using nanoindentation, atomic…”
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Elastic atomic displacements and color center creation in LiF crystals irradiated with 3-, 9- and 12-MeV Au ions by Sorokin, M. V., Papaleo, R. M., Schwartz, K.

“…Creation of color centers in LiF under irradiation with 3–12-MeV Au ions was studied. Comparison of experimental data of color center creation with computer…”
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Confinement effects of ion tracks in ultrathin polymer films by Papaléo, R M, Thomaz, R, Gutierres, L I, de Menezes, V M, Severin, D, Trautmann, C, Tramontina, D, Bringa, E M, Grande, P L

“…We show direct experimental evidence that radiation effects produced by single MeV heavy ions on a polymer surface are weakened when the length of the ion…”
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Bond-Breaking Efficiency of High-Energy Ions in Ultrathin Polymer Films by Thomaz, R, Louette, P, Hoff, G, Müller, S, Pireaux, J J, Trautmann, C, Papaléo, R M

“…Thin films of poly(methyl methacrylate) and poly(vinyl chloride) of different thickness are used to investigate the effect of spatial confinement on the…”
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Effect of silica nanoparticles on mechanical properties of self-cured acrylic resin by Mussatto, C. M. B., Oliveira, E. M. N., Subramani, K., Papaléo, R. M., Mota, E. G.

“…The purpose of this in vitro study is to evaluate the effect of the incorporation of silanized and non-silanized silica nanoparticles (~ 160 nm) in mechanical…”
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Modification of the polymer PETG by 16 MeV Au ions by da Rocha, M.S., Valente, C.A., de Lima, M.H.L., de Oliveira, S.D., Papaléo, R.M.

“…Commercial poly(ethylene glycol-co-1,4 cyclohexanedimethanol terephthalate) (PETG) foils were irradiated with 16 MeV Au7+ ions and the resulting modifications…”
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Developmental toxicity of iron oxide nanoparticles with different coatings in zebrafish larvae by Oliveira, E. M. N., Selli, G. I., von Schmude, A., Miguel, C., Laurent, S., Vianna, M. R. M., Papaléo, R. M.

“…We report on the effect of different coatings (dextran, chitosan, polyethylene glycol, carboxy-silane, and silica) in the toxicity elicited by…”
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Tunable electronically anisotropic materials with ion-irradiated polysilanes on semiconductor by FINK, D, CHANDRA, A, OPITZ-COUTUREAU, J, FAHRNER, W. R, HOPPE, K, PAPALEO, R. M

“…Studies on tunable electronically anisotropic material on semiconductor, “TEAMS”, with a polysilane layer spin-coated onto a silicon wafer and then contacted…”
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Nanoparticle emission by electronic sputtering of CaF2 single crystals by Alencar, I., Hatori, M., Marmitt, G.G., Trombini, H., Grande, P.L., Dias, J.F., Papaléo, R.M., Mücklich, A., Assmann, W., Toulemonde, M., Trautmann, C.

“…[Display omitted] •Nanocrystals are emitted during electronic sputtering of calcium fluoride.•Jet-like component of sputtering is related to the particle…”
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Measurement of the atmospheric muon flux at 3500 m depth with the NEMO Phase-2 detector by Distefano, C., Aiello, S., Ameli, F., Anghinolfi, M., Barbarino, G., Barbarito, E., Barbato, F., Beverini, N., Biagi, S., Bouhadef, B., Bozza, C., Cacopardo, G., Calamai, M., Calì, C., Capone, A., Caruso, F., Ceres, A., Chiarusi, T., Circella, M., Cocimano, R., Coniglione, R., Costa, M., Cuttone, G., D'Amato, C., D'Amico, A., Bonis, G. De, Luca, V. De, Deniskina, N., Rosa, G. De, Capua, F. Di, Fermani, P., Flaminio, V., Fusco, L.A., Garufi, F., Giordano, V., Gmerk, A., Grasso, R., Grella, G., Hugon, C., Imbesi, M., Kulikovskiy, V., Larosa, G., Lattuada, D., Leismueller, K.P., Leonora, E., Litrico, P., Lonardo, A., Longhitano, F., Presti, D. Lo, Maccioni, E., Margiotta, A., Martini, A., Masullo, R., Migliozzi, P., Migneco, E., Miraglia, A., Mollo, C.M., Mongelli, M., Morganti, M., Musico, P., Musumeci, M., Nicolau, C.A., Orlando, A., Papaleo, R., Pellegrino, C., Pellegriti, M.G., Perrina, C., Piattelli, P., Pugliatti, C., Pulvirenti, S., Orselli, A., Raffaelli, F., Randazzo, N., Riccobene, G., Rovelli, A., Sanguineti, M., Sapienza, P., Sciacca, V., Sgura, I., Simeone, F., Sipala, V., Speziale, F., Spina, M., Spitaleri, A., Spurio, M., Stellacci, S.M., Taiuti, M., Terreni, G., Trasatti, L., Trovato, A., Ventura, C., Vicini, P., Viola, S., Vivolo, and D.

“…In March 2013, the Nemo Phase-2 tower was successfully deployed at 80 km off-shore Capo Passero (Italy) at 3500 m depth. The tower operated continuously until…”
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Surface morphology and porosity induced by swift heavy ions of low and high stopping power on PMMA thin films by Thomaz, R.S., Esteves, C.R.B., Papaléo, R.M.

“…We report on surface modification of poly(methyl methacrylate) (PMMA) thin films deposited onto silicon wafers induced by fast ions in a wide range of…”
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Use of micro-PIXE for elemental characterization and iron uptake evaluation in zebrafish larvae exposed to iron oxide nanoparticles by Caloni, M.R., Oliveira, E.M.N., de V. Bauer, D., Vianna, M.R., Dias, J.F., Papaléo, R.M.

“…We report on the evaluation of iron content and biodistribution in zebrafish larvae (Danio rerio) exposed to dextran-coated superparamagnetic iron oxide…”
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The effect of local fluence on the micropatterning of poly(ethylene terephthalate) foils through proton beam writing by de Souza, C. T., Stori, E. M., Boufleur, L. A., Papaléo, R. M., Dias, J. F.

“…In this work, we investigate the influence of ion fluence on the development of microstructures produced by 2.2 MeV H + impinging on 12-μm-thick poly(ethylene…”
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Bi nanowires modified by 400 keV and 1 MeV Au ions by Guerra, D. B., Müller, S., Oliveira, M. P., Fichtner, P. F. P., Papaléo, R. M.

“…We report on the modification of the structure and morphology of Bi nanowires of two different diameters (80 or 130 nm) exposed to beams of 400 keV and 1 MeV…”
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Simulations of cratering and sputtering from an ion track in crystalline and amorphous Lennard Jones thin films by Gutierres, L.I., Lima, N.W., Thomaz, R.S., Papaléo, R.M., Bringa, E.M.

“…[Display omitted] Impacts of swift heavy ions of different energy loss in amorphous and crystalline Lennard-Jones (LJ) thin films (2–60nm) were simulated using…”
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Pit formation on poly(methyl methacrylate) due to ablation induced by individual slow highly charged ion impact by Ritter, R, Wilhelm, R. A, Ginzel, R, Kowarik, G, Heller, R, El-Said, A. S, Papaléo, R. M, Rupp, W, Crespo López-Urrutia, J. R, Ullrich, J, Facsko, S, Aumayr, F

“…We report the formation of nano-sized pits on poly(methyl methacrylate) after exposure to slow highly charged ion beams. The pits are formed on the polymer…”
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Etched ion tracks in silicon oxide and silicon oxynitride as charge injection or extraction channels for novel electronic structures by Fink, D., Petrov, A.V., Hoppe, K., Fahrner, W.R., Papaleo, R.M., Berdinsky, A.S., Chandra, A., Chemseddine, A., Zrineh, A., Biswas, A., Faupel, F., Chadderton, L.T.

“…The impact of swift heavy ions onto silicon oxide and silicon oxynitride on silicon creates etchable tracks in these insulators. After their etching and…”
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Oxygen loss induced by swift heavy ions of low and high dE/dx in PMMA thin films by Thomaz, R., Gutierres, L.I., Morais, J., Louette, P., Severin, D., Trautmann, C., Pireaux, J.J., Papaléo, R.M.

“…Investigations on the chemical modifications induced by swift heavy ions in PMMA thin films were carried out using beams of high dE/dx (2.2GeV Bi, 14,090eV/nm)…”
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Influence of light-ion irradiation on the heavy-ion track etching of polycarbonate by Thomaz, R. S., de Souza, C. T., Papaléo, R. M.

“…We report on the effect of light-ion irradiation on the size distribution of etched tracks produced by medium energy heavy-ions in polycarbonate. Makrofol KG…”
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Status of the EXCYT facility at INFN-LNS by Ciavola, G., Alba, R., Calabretta, L., Celona, L., Cosentino, G., Cuttone, G., Finocchiaro, P., Gammino, S., Menna, M., Papaleo, R., Raia, G., Rifuggiato, D., Rovelli, A., Silvestri, M., Vinciguerra, D., Winkler, M.

“…The EXCYT facility at the INFN-LNS aims to the production of radioactive ion beams to be post-accelerated by a 15 MV Tandem. The primary stable heavy-ion beam…”
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