Výsledky vyhledávání - "Cristiana Tosello"

Er3+/Yb3+-codoped silica–germania sputtered films: structural and spectroscopic characterization

Autor: Alessandro Chiasera, Maurizio Ferrari, Massimo Brenci, Cristiana Tosello, Stefano Pelli, Giancarlo C. Righini, G. Nunzi Conti, S. Sebastiani

Publikováno v: Journal of non-crystalline solids 352 (2006): 2585–2588. doi:10.1016/j.jnoncrysol.2006.01.091
info:cnr-pdr/source/autori:G. Nunzi Conti, A. Chiasera, M. Brenci, M. Ferrari, S. Pelli, S. Sebastiani, C. Tosello, G.C. Righini/titolo:Er3+%2FYb3+-codoped silica-germania sputtered films: structural and spectroscopic characterization/doi:10.1016%2Fj.jnoncrysol.2006.01.091/rivista:Journal of non-crystalline solids/anno:2006/pagina_da:2585/pagina_a:2588/intervallo_pagine:2585–2588/volume:352

We report on the fabrication and spectroscopic characterization of highly photo-refractive Er 3+ /Yb 3+ coactivated silica–germania slab waveguides, single mode at 1550 nm, deposited by radio-frequency-magnetron-sputtering technique. Details of the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8bf7cf81207c33e866455243e3ad1eb8
https://doi.org/10.1016/j.jnoncrysol.2006.01.091

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Structural evolution of Fe–Al multilayers submitted to thermal annealing

Autor: Riccardo Checchetto, Cristiana Tosello, A. Di Cristoforo, Antonio Miotello, Guiseppe Majni, Paolo Mengucci, G. Principi

Publikováno v: Thin Solid Films. 433:205-210

In this paper, we present an experimental study on the structural evolution of B2 type FeAl multilayers submitted to thermal annealing. Multilayer samples have been obtained by evaporating 15 couples of 10 nm Fe and 14 nm Al layers on (100)-oriented

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d73c0196d9c9674bd7791724588c9580
https://doi.org/10.1016/s0040-6090(03)00285-2

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[Untitled]

Autor: Maurizio Ferrari, Cristiana Tosello, André Monteil, L. Zampedri, C. Duverger, Rogéria Rocha Gonçalves, Stefano Pelli, Cristina Armellini, Alessandro Chiasera, F. Visintainer, S. Ronchin, Giancarlo C. Righini, Maurizio Montagna, Raffaella Rolli

Publikováno v: Journal of Sol-Gel Science and Technology. 26:1033-1036

(100 - x)Si02-(x)TiO 2 -ErO 3/2 planar waveguides, with 7 ≤x ≤ 20 have been prepared by sol-gel route using the dip-coating technique. The thickness of the films was optimized to support a single propagating mode at 1550 nm, with a confinement co

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b21dccd185e8c4b57eccab72b83fc6b9
https://doi.org/10.1023/a:1020734018629

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Deuterium thermal desorption from FeAl thin films

Autor: Riccardo Checchetto, G. Principi, Cristiana Tosello, Paolo Mengucci, Antonio Miotello

Publikováno v: Journal of Physics: Condensed Matter. 14:6307-6320

Deuterium thermal desorption experiments were performed on B2 FeAl thin films deposited by electron-beam evaporation on Si substrates, annealed at temperatures ranging from 673 to 773 K and implanted with 20 keV D2 ions at fluences of 3×1016 D2+ cm-

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8c43fe34103e963ba760c514c821128e
https://doi.org/10.1088/0953-8984/14/25/301

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[Untitled]

Autor: Alessandro Chiasera, Enrico Moser, Stefano Pelli, Cristina Armellini, Maurizio Ferrari, S. Ronchin, Cristiana Tosello, L. Zampedri, Raffaella Rolli, Giancarlo C. Righini, Maurizio Montagna, Sidney José Lima Ribeiro

Publikováno v: Optical and Quantum Electronics. 34:1151-1166

Erbium-activated silica-based planar waveguides were prepared by three different technological routes: RF-sputtering, sol–gel and ion exchange. Various parameters of preparation were varied in order to optimize the waveguides for operation in the N

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::62e3489346f5e4eedc4e3c29d3cb3b4f
https://doi.org/10.1023/a:1021338906917

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[Untitled]

Autor: M. El-Sharif, G. Principi, Ajay Gupta, A. Vértes, L. Takács, Károly Havancsák, Cristiana Tosello, C. U. Chisholm, Erno Kuzmann

Publikováno v: Hyperfine Interactions. :193-204

CEMS, XMS, XRD and electron microprobe analysis were applied to study electrodeposited and ion beam mixed Fe–Cr–Ni as well as electrodeposited and ball-milled Sn–Cr alloys. In Fe–Cr–Ni alloys with composition 40% Cr and 20–30% Ni a metast

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::be98db16b335e0d7c4027327d383b4c6
https://doi.org/10.1023/a:1021275106898

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Mössbauer study of metastable phase formation in vacuum deposited FeNiCr multilayers due to swift heavy ion irradiation

Autor: S. Stichleutner, I Gerőcs, Zoltán Homonnay, Károly Havancsák, A. Vértes, Erno Kuzmann, G. Principi, Cristiana Tosello

Publikováno v: Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 183:425-431

Conversion electron Mossbauer spectroscopy (CEMS) and X-ray diffraction (XRD) were used to study multilayers, consisting of a few atomic layers of iron, nickel and chromium with a composition 50%Fe–25%Ni–25%Cr, prepared by high vacuum deposition

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::dfc2963f966deaa9d7864b40b8c0b392
https://doi.org/10.1016/s0168-583x(01)00746-7

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Electrochemical behavior of electrodeposited strongly disordered Fe–Ni–Cr alloys

Autor: L. Sziráki, C. U. Chisholm, Cristiana Tosello, Ernő Kuzmann, G. Principi, M. El-Sharif, A. Vértes

Publikováno v: Electrochemistry Communications, Vol 2, Iss 9, Pp 619-625 (2000)

Potentiodynamic and chronoamperometric polarization measurements, 57Fe conversion electron Mössbauer spectroscopy, X-ray diffractometry and electron microprobe measurements were performed on amorphous and microcsrystalline Fe–25Ni–25Cr alloys co

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3b80706bc14fb7a81e7ebc1a208177eb
https://doi.org/10.1016/s1388-2481(00)00088-6

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Combination of electrochemical hydrogenation and Mössbauer spectroscopy as a tool to show the radiation effect of energetic heavy ions in Fe–Zr amorphous alloys

Autor: Ernő Kuzmann, Tsuyoshi Masumoto, Károly Havancsák, Yusuke Ujihira, Kiyoshi Nomura, A. Vértes, Cristiana Tosello, M. Lakatos-Varsányi, G. Principi

Publikováno v: Electrochemistry Communications, Vol 2, Iss 2, Pp 130-134 (2000)

Radiation effects of energetic heavy ion irradiation in Fe–Zr amorphous alloys were investigated by the help of Mössbauer spectroscopy, X-ray diffraction and electrolytical hydrogenation. The electrolytical hydrogenation of non-irradiated and irra

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::43fe8b6a7494be85e0f22c29c7809727
http://www.sciencedirect.com/science/article/pii/S1388248199001642

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Brillouin scattering in planar waveguides

Autor: Maurizio Montagna, Maurizio Ferrari, Cristiana Tosello, F. Tonelli, Flavio Rossi

Publikováno v: Physical Review B. 58:R547-R550

Brillouin spectra have been measured in silica-titania planar waveguides of different thicknesses, obtained by radio-frequency sputtering. The laser beam was coupled to the waveguide with a prism and the scattered light was collected from the front s

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::36befaa5456d11dc95226d869b516372
https://doi.org/10.1103/physrevb.58.r547

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