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33 results on '"Marolo, T."'

5. Optical nanospectroscopy applications in material science

Author

Cricenti, A, Longo, G, Ustione, A, Mussi, V, Generosi, R, Luce, M, Rinaldi, M, Perfetti, P, Vobornik, D, Margaritondo, G, Sanghera, J.S, Thielen, P, Aggarwal, I.D, Ivanov, B, Miller, J.K, Haglund, R, Tolk, N.H, Congiu-Castellano, A, Rizzo, M.A, Piston, D.W, Somma, F, Baldacchini, G, Bonfigli, F, Marolo, T, Flora, F, Montereali, R.M, Faenov, A, and Pikuz, T

Published
2004
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8. Micro-radiographs stored in lithium fluoride films observed by scanning near-field optical microscopy

Author

Ustione A., Cricenti A., Bonfigli F., Flora F., Lai A., Marolo T., Montereali R.M., Baldacchini G., Faenov A., Pikuz T., and Reale L.

Abstract

A new simple method to get soft X-ray micro-radiographs of biological material with a spatial resolution reaching 50 nm is described. A thin film of lithium fluoride (LiF) works as image detector, storing the micro-radiograph obtained exposing biological material to Extreme Ultra-Violet and soft X-ray radiations. Scanning near-field optical microscope (SNOM) is used to read the micro-radiograph at nanometric resolution up to L/12, collecting the fluorescence (L = 650 nm) excited by an Ar+ laser light (L = 458 nm)

Published
2006

9. The Italian FIRB project on EUV lithography

Author

Reale, A, Baldacchini, G, Baldesi, A, Bellecci, C, Bollanti, S, Bonfigli, F, Clementi, G, Conti, A, Dikonimos, T, Di Lazzaro, P, Flora, F, Francucci, F, Gaudio, P, Gerardino, A, Giorgi, R, Krasilnikova, A, Letardi, T, Lisi, N, Marolo, T, Martellucci, S, Mattarello, V, Mezi, L, Montereali, R, Murra, D, Nichelatti, E, Nicolosi, P, Nocerino, G, Palladino, L, Patelli, A, Pelizzo, M, Piegari, A, Richetta, M, Rigato, V, Ritucci, A, Rydzy, A, Santoni, A, Sarto, F, Scaramuzzi, F, Tefouet Kana, E, Tomassetti, G, Torre, A, and Zheng, C

Subjects
Settore FIS/01 - Fisica Sperimentale
Published
2006

10. SNOM characterization of micro-radiographs stored in lithium fluoride thin films

Author

Ustione A., Cricenti A., Bonfigli F., Flora F., Lai A., Marolo T., Montereali R.M., Baldacchini G., Faenov A., Pikuz T., and Reale L.

Subjects
genetic structures
Abstract

Nowadays the possibility to obtain micro-radiographs is limited in resolution by the detection properties of the used technique. Here we show a new method to create and observe micro-radiographs. A thin film of Lithium Fluoride works as image detector, storing the micro-radiograph obtained exposing biological material to Extreme Ultra-Violet and soft X-ray radiations. To read the stored image, collecting the optically stimulated luminescence of the active color centers produced by the X-rays, a Scanning Near-Field Optical Microscope (SNOM) is used, for its peculiarity to overcome the diffraction limit, showing details smaller than the wavelength of the collected light. The samples were illuminated with 458 nm laser light and an uncoated tapered optical fiber was collecting the fluorescent signal emitted by the Lithium Fluoride color centers. The SNOM images of these micro-radiographs stored in Lithium Fluoride films showed an optical resolution of 50 nm, corresponding to lambda/12, where lambda is the wavelength of the collected light.

Published
2005

12. Optical Nanospectroscopy Applications in Material Science

Author

Cricenti, A., Longo, G., Ustione, A., Mussi, Valentina, Generosi, R., Luce, M., Rinaldi, M., Perfetti, P., Vobornik, D., Margaritondo, G., Sanghera, J. S., Thielen, P., Aggarwal, I. D., Ivanov, B., Miller, J. K., Haglund, R., Tolk, N. H., CONGIU CASTELLANO, A., Rizzo, M. A., Piston, D. W., Somma, F., Baldacchini, G., Marolo, T., Flora, F., Montereali, R. M., Faenov, A., and Pikuz, T.

Published
2004

20. Soft x-ray submicron imaging detector based on point defects in LiF

Author

Baldacchini, G., primary, Bollanti, S., additional, Bonfigli, F., additional, Flora, F., additional, Di Lazzaro, P., additional, Lai, A., additional, Marolo, T., additional, Montereali, R. M., additional, Murra, D., additional, Faenov, A., additional, Pikuz, T., additional, Nichelatti, E., additional, Tomassetti, G., additional, Reale, A., additional, Reale, L., additional, Ritucci, A., additional, Limongi, T., additional, Palladino, L., additional, Francucci, M., additional, Martellucci, S., additional, and Petrocelli, G., additional

Published
2005
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25. Point Defects in Lithium Fluoride by EUV and Soft X-Rays Exposure for X-Ray Microscopy and Optical Applications

Author

Baldacchini, G., primary, Bollanti, S., additional, Bonfigli, F., additional, DiLazzaro, P., additional, Faenov, A.Ya., additional, Flora, F., additional, Marolo, T., additional, Montereali, R.M., additional, Murra, D., additional, Nichelatti, E., additional, Pikuz, T., additional, Reale, A., additional, Reale, L., additional, Ritucci, A., additional, and Tomassetti, G., additional

Published
2004
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26. IR‐SNOM on lithium fluoride films with regular arrays based on colour centres

Author

Cricenti, A., primary, Longo, G., additional, Mussi, V., additional, Generosi, R., additional, Luce, M., additional, Perfetti, P., additional, Vobornik, D., additional, Margaritondo, G., additional, Thielen, P., additional, Sanghera, J. S., additional, Aggarwal, I. D., additional, Tolk, N. H., additional, Baldacchini, G., additional, Bonfigli, F., additional, Flora, F., additional, Marolo, T., additional, Montereali, R. M., additional, Faenov, A., additional, Pikuz, T., additional, Somma, F., additional, and Piston, D. W., additional

Published
2003
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29. OPTICAL INVESTIGATION OF METALLIC COLLOIDS IN ION-IRRADIATED LITHIUM FLUORIDE (LiF) CRYSTALS.

Author

MUSSI, V., CRICENTI, A., JACQUIER, B., MAROLO, T., MONTEREALI, R., MORETTI, P., NICHELATTI, E., and SOMMA, F.

Subjects
ABSORPTION spectra, CRYSTALS, LITHIUM, FLUORIDES, COLLOIDS
Abstract

The measured room-temperature absorption spectra of LiF crystals implanted with 1.5 MeV He + ions at different ion doses are presented. The application of a theoretical model allowed us to give an estimation of the band intensities associated with various kinds of electronic defects and to study their dependence on the ion dose. The model also considers the contribution due to nanometric lithium colloids, whose formation starts in the dose range at which the production of colour centres saturates. [ABSTRACT FROM AUTHOR]

Published
2003
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31. IR-SNOM on lithium fluoride films with regular arrays based on colour centres

Author

Cricenti, A., Longo, G., Mussi, V., Generosi, R., Luce, M., Perfetti, P., Vobornik, A., Margaritondo, G., Thielen, P., Sanghera, J. S., Aggarwal, I. D., Tolk, N. H., Baldacchini, G., Bonfigli, F., Flora, F., Marolo, T., Montereali, R. M., Faenov, A., Pikuz, T., Somma, F., and Piston, D. W.

Subjects
FIELD OPTICAL MICROSCOPE, LIF CRYSTALS, PLASMA SOURCE
Abstract

LiF films have been grown on silicon substrate, irradiated with soft x-rays to create fluorescent regular micrometric-spaced arrays based on colour centres, and studied by Scanning Near-field Optical Microscope (SNOM). Strong variations in the local reflectivity have been observed in the infrared region between 6.1 and 9.2 mum and tentatively ascribed to a modulated variation of the refractive index of the coloured zone with respect to that of the uncoloured LiF matrix. (C) 2003 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

32. Point Light Sources Based on Color Centers in LiF Films for Scanning Near-Field Optical Microscopy

Author

Angelo Pace, Massimo Piccinini, Sergey Sekatskii, Antonio Santoni, Stefano Loreti, Francesca Bonfigli, T. Marolo, Rosa Maria Montereali, Santoni, A., Pace, A., Montereali, R. M., Marolo, T., Loreti, S., and Bonfigli, F.

Subjects
Materials science, Photoluminescence, genetic structures, business.industry, Scanning confocal electron microscopy, Lithium fluoride, Fluorescence, eye diseases, law.invention, chemistry.chemical_compound, Optics, chemistry, Optical microscope, law, Scanning ion-conductance microscopy, Optoelectronics, Near-field scanning optical microscope, sense organs, Thin film, business
Abstract

Local fluorescent probes based on low-energy electron beam irradiated lithium fluoride (LiF) thin films were preparated and tested for their applications in Scanning Near-Field Optical Microscopy. © 2004 American Institute of Physics.

Published
2004

33. Optical investigation of metallic colloids in ion-irradiated lithium fluoride (LiF) crystals

Author

T. Marolo, Bernard Jacquier, Valentina Mussi, P. Moretti, Enrico Nichelatti, A. Cricenti, F. Somma, Rosa Maria Montereali, Mussi, V, Cricenti, A, Jacquier, B, Marolo, T, Montereali, Rm, Moretti, P, Nichelatti, E, and Somma, Fabrizia

Subjects
Nuclear and High Energy Physics, Range (particle radiation), Radiation, Absorption spectroscopy, Analytical chemistry, chemistry.chemical_element, Lithium fluoride, Condensed Matter Physics, Crystallographic defect, Ion, chemistry.chemical_compound, Ion implantation, chemistry, General Materials Science, Lithium, Irradiation, Nuclear chemistry
Abstract

The measured room-temperature absorption spectra of LiF crystals implanted with 1.5 MeV He+ ions at different ion doses are presented. The application of a theoretical model allowed us to give an estimation of the band intensities associated with various kinds of electronic defects and to study their dependence on the ion dose. The model also considers the contribution due to narrometric lithium colloids, whose formation starts in the dose range at which the production of colour centres saturates.

Published
2003

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