ATTIVITA` DI RICERCA DEL PROF. ROBERTO PIZZOFERRATO L

ATTIVITA` DI RICERCA DEL PROF. ROBERTO PIZZOFERRATO L

ATTIVITA’ DI RICERCA DEL PROF. ROBERTO PIZZOFERRATO
L’attività di ricerca riguarda diversi aspetti delle proprietà ottiche ed elettroottiche di
materiali innovativi, sia quale mezzo di indagine delle proprietà elettroniche e strutturali
(spettroscopia ottica) che per il loro interesse applicativo in connessione alla generazione e
controllo della radiazione per applicazioni alle ICT (sviluppo di materiali e processi ottici
innovativi). Più specificamente lo studio ha riguardato:
1) engineering chimico (in collaborazione con gruppi di ricerca in chimica organica) e
caratterizzazione di molecole e polimeri coniugati contenenti erbio ed emissione ottica a
lunghezza d’onda di 1.5 mm per telecomunicazioni in fibra ottica. In particolare sono stati
studiati e ottimizzati i meccanismi di trasferimento energetico dalla molecola “antenna” (con
assorbimento nel visibile) allo ione erbio che emette nell’infrarosso.
2) caratterizzazione ottica ed elettroottica di molecole e polimeri coniugati con emissione
ottica nel visibile e con caratteristiche tensione-corrente adatte alla realizzazione di dispositivi
emettitori di luce di tipo LED a base organica (OrganicLED) per applicazioni ai display a stato
solido e illuminazione generale.
ELENCO DELLE PUBBLICAZIONI SU RIVISTE INTERNAZIONALI DEL CANDIDATO
DOTT. ROBERTO PIZZOFERRATO
1) M. Casalboni, R. Francini, U. M. Grassano, R. Pizzoferrato.
Two photon spectroscopy in KBr:In.
Solid State Comm. 43, 691 (1982)
2) M. Casalboni, R. Francini, U.M. Grassano, R. Pizzoferrato.
Nonlinear excitation of new emission bands in KCl crystals containing color centers
Phys. Stat. Sol. (b) 117, 493 (1983)
3) M. Casalboni, R. Francini, U.M. Grassano, C. Musilli, R. Pizzoferrato.
Two photon excitation of the luminescence in Bismuth Germanate.
J. of Luminescence 31 et 32, 93 (1984)
4) M. Casalboni, F. de Notaristefani, R. Francini, U.M. Grassano, C. Musilli, R. Pizzoferrato.
Two-Photon excitation: a new optical approach to BGO testing
Nuclear Instrum. and Methods 228, 581 (1985)
5) M. Casalboni, R. Francini, U. M. Grassano, R. Pizzoferrato.
Two photon spectroscopy in KCl:Eu.
Phys. Rev. B34, 2936 (1986)
6) R. Pizzoferrato, M. Casalboni, R. Francini,
U. M. Grassano, F. Antonangeli,M. Piacentini, N. Zema, F. Bassani.
Two-photon absorption using Syncroton Radiation: a novel technique
Europhysics Lett. 2, 571 (1986)
7) R. Pizzoferrato, M. Casalboni.
Extension of two-photon spectroscopy to the vacuum ultraviolet using syncrotron
radiation
Sci. Instrum. 20, 897 (1987)
8) M. Casalboni, R. Francini, U. M. Grassano, R. Pizzoferrato.
Two-Photon spectroscopy in Eu2+ doped alkali halides
Cryst. Latt. Def. and Amorph. Mat. 16, 261 (1987)
9) U. Zammit, M. Marinelli, R. Pizzoferrato, F. Scudieri,S. Martellucci.
Photoacoustics as a technique for simultaneous measurements of thermal
conductivity and heat capacity
J. Phys. E: Sci. Instrum. 21, 935 (1988)
10)R. Pizzoferrato, M. Marinelli, U. Zammit, F. Scudieri, S. Martellucci, M. Romagnoli.
Optically induced reorientational birefringence in an artificial anisotropic Kerr medium
Opt. Commun. 68, 231, (1988)
11)M. De Spirito, R. Pizzoferrato, U. Zammit, M. Marinelli, F. Scudieri, S. Martellucci,
M. Romagnoli.
Third-order nonlinearity enhancement in an artificial Kerr medium through bulk
intrinsic birefringence
Opt. Lett. 14, 239 (1989)
12)U. Zammit, M. Marinelli, R.Pizzoferrato, F.Scudieri, S.Martellucci.
Simultaneous photoacoustic measurements of specific heat and thermal conductivity
critical behaviour at smectic a-nematic phase transition
Liquid Crystals 4, 619 (1989)
13)L. Luciani, U.Zammit, M.Marinelli, R.Pizzoferrato, F.Scudieri, S. Martellucci
Photoacoustic monitoring of damage in ion and annealed Si layers
Appl. Phys. A 49, 205 (1989)
14)M. De Spirito, R. Pizzoferrato, U. Zammit,M. Marinelli, F. Scudieri, S. Martellucci
Polarization-Resolved optical phase conjugation in an artificial anisotropic Kerr medium
Opt. Lett. 14, 1356 (1989)
15)L. Luciani, M. Marinelli, U. Zammit, R. Pizzoferrato, . Scudieri, S.Martellucci
Sub-gap absorption spectra of ion implanted Si and GaAs layers
Appl. Phys. Lett. 55, 2745 (1989)
16)U. Zammit, M. Marinelli, R. Pizzoferrato, F. Scudieri, S. Martellucci
Thermal conductivity, diffusivity and heat capacity studies at the smectic-A nematic
transition in alkylcyanobiphenyls liquid crystals
Physical Review A 41, 1153 (1990)
17)R. Pizzoferrato, M. De Spirito, U. Zammit, M. Marinelli, F. Scudieri, S. Martellucci
Optical phase conjugation through translational and rotational diffusive
rearrangements of liquid-dispersed microparticles
Physical Review A 41, 2882 (1990)
18)U. Zammit, M. Marinelli, R. Pizzoferrato, F. Scudieri, S. Martellucci
Theoretical aspects of photopyroelectric detection for simultaneous determination of
thermal conductivity and specific heat
Il Nuovo Cimento D 12, 803 (1990)
19)L. Luciani, U.Zammit, M.Marinelli, R.Pizzoferrato
Sub-gap absorption study of defects in ion implanted and annealed silicon layers
Appl. Phys. A 50, 495 (1990)
20)Massimo Marinelli, F. Murtas, M.G. Mecozzi, U. Zammit, R. Pizzoferrato,
F. Scudieri, S. Martellucci, Marco Marinelli
Simultaneous determination of specific heat, thermal conductivity and thermal
diffusivity via the photopyroelectric technique
Appl. Phys. A 51, 387 (1990)
21)M. Marinelli, F. Mercuri, U. Zammit, R. Pizzoferrato
The influence of the coupling fluids and of pyroelectric transducer on low
temperature photopyroelectric studies
Appl. Phys. A 52, 115 (1991)
22)U. Zammit, M. Marinelli, R. Pizzoferrato
Surface states and buried interface states studies in semiconductors by photothermal
deflection spectroscopy
J. Appl. Phys. 69, 3286 (1991)
23)U. Zammit, F. Gasparrini, M. Marinelli, R. Pizzoferrato, F. Scudieri, S. Martellucci
Photothermal deflection spectroscopy study of defects in semiinsulating GaAs
Appl. Phys. A 52, 112 (1991)
24)M. De Spirito, R. Pizzoferrato, M. Marinelli, U. Zammit, D. Rogovin, R. McGraw,
J. Scholl
Birefringence and scattering in highly oriented artificial Kerr media
Opt. Lett. 16, 1201 (1991)
25)U. Zammit, F. Gasparrini, M. Marinelli, R. Pizzoferrato, F. Scudieri, S. Martellucci
Surface states studies in semiconductors by photothermal deflection spectroscopy
J. Appl. Phys. 69, 2577 (1991)
26)R. Pizzoferrato, D. Rogovin, J. Scholl
Polarization-resolved nondegenerate two-wave mixing in shaped particles suspensions
Opt. Lett. 16, 297 (1991)
27)D. Rogovin, J. Sholl, R. Pizzoferrato, M. De Spirito, U. Zammit, M. Marinelli
Field induced polarization modulation in shaped microparticles suspensions
Journ. of Optical soc. of Am B 8, 2370 (1991)
28)D. Rogovin, J. Sholl, R. Pizzoferrato, M. De Spirito, U. Zammit, M. Marinelli
Polarization resolved beam combination in liquid suspensions of shaped microparticles
Phys. Rev. A 44, 7580 (1991)
29)R. Pizzoferrato, M. De Spirito, U. Zammit, M. Marinelli, F. Scudieri, S. Martellucci,
D. Rogovin
Nonlinear optics in artificial kerr materials
Mat. Sci. and Eng. B 9, 509 (1991)
30)U. Zammit, F. Gasparrini, M. Marinelli, R. Pizzoferrato, A. Agostini, F. Mercuri
Ion dose effect in the subgap absorption of defects in ion implanted Si and GaAs
J. Appl. Phys., 70, 7060 (1991)
31)M.Marinelli, U.Zammit, F.Mercuri, R.Pizzoferrato
High resolution photothermal measurements of thermal parameters at a phase
transitionwith the photopyroelectri technique
J. Appl. Phys., 72, 1096 (1992)
32)Zammit, M.Marinelli, R.Pizzoferrato, F.Mercuri
Gap states distribution of ion implanted Si and GaAs from subgap absorption
measurements
Phys. Rev B46, 7515 (1992)
33)R. Pizzoferrato, U. Zammit, M. Marinelli, R. McGraw and D. Rogovin
Measurements of light scattering noise accompanying two-wave mixing in a Kerr medium
Phys. Rev. A47, R2476, 1993.
34)M.Marinelli, F.Mercuri, U.Zammit, R.Pizzoferrato, F.Scudieri, D.Dadarlat
Critical behaviour of thermal diffusivity and thermal conductivity of Cr2O3 at the Neel
transition
Physical Review B (Rapid Communication) 49, 4356 (1994)
35)M.Marinelli, F.Mercuri, U.Zammit, R.Pizzoferrato, F.Scudieri, D.Dadarlat
Photopyroelectric study of specific heat, thermal conductivity and thermal diffusivity
of Cr2O3 at the Neel transition
Physical Review B49, 9523 (1994)
36)U.Zammit, K.N.Madhusoodanan, M.Marinelli, R.Pizzoferrato, F.Scudieri,
F.Mercuri, E.Wendler, W.Wesch
Optical absorption study of ion implantation damage in Si on Sapphire
Phys. Rev. B49, 14322 (1994)
37)R. Pizzoferrato, E. Pichini, U. Zammit, M. Marinelli, F. Scudieri, R. McGraw.
Measurements of light-intensity noise during nondegenerate two-wave mixing in a Kerr
medium.
Phys. Rev. A49, 2087 1994.
38)M. Casalboni, I. Davoli, M. De Crescenzi, B. Izzi, N. Pinto F. De Matteis, A. Luci,
N. Motta, R. Pizzoferrato, and P. Prosposito.
Optical and structural characterization of SiGe alloy layers and multiple quantum wells
Vuoto XXIV, 30 (1995)
39)M. Casalboni, N. Pinto, B. Izzi, I. Davoli, M. De Crescenzi, F. De Matteis,
P. Prosposito, and R. Pizzoferrato.
Interface ordering in Sim/Gen monolayer superlatticeses: a photoluminescence study
Phys. Rev. B55B53, 1030 (1996)
40)P. de Padova, P. Perfetti, R. Felici, S. Priori, C. Quaresima, R. Pizzoferrato, M.
Casalboni,
P. Prosposito, F. Corni, R. Tonini, A. Grilli, A. Raco.
Photoluminescence characterization of SiGe heterostructures grown by MBE.
J. Lumin. 72/74, 324 (1997)
410) M. Casalboni, F. De Matteis, R. Francini, P. Prosposito, R. Senesi, U.M. Grassano,
R. Pizzoferrato, G. Gnappi, A. Montenero.
Optical properties of dye-doped sol-gel glasses
J. Lumin. 72/74, 475 (1997)
Praga SiGe
4421)M. Casalboni, R. Senesi, P. Prosposito, F. De Matteis, and R. Pizzoferrato.
Rigid-cage effects on the optical properties of 3,3’-diethyloxadicarbocyanine (DODCI)
incorporated in silica-gel glasses.
Appl. Phys. Leetters 70, 2969 (1997), in press
43)F. Sarcinelli, R. Pizzoferrato, F. Scudieri.
Study of refractive index in microscopic glass beads by light-refraction analysis.
Appl. Opt. 36, 8999 (1997)
44)M. Casalboni, F. De Matteis, V. Ferone, P. Prosposito, R. Senesi, R. Pizzoferrato,
A. Bianco, A. De Mico.
DODCI molecules incorporated in sol-gel glasses: the interaction with the silica matrix.
Chem. Phys. Lett. 291, 167 (1998)
45)M. Casalboni, and R. Pizzoferrato.
Optical investigation on dye-doped sol-gel glasses
Il Nuovo Cimento 20 D, 867(1998)
46) P. De Padova, P. Perfetti, R. Pizzoferrato, M. Casalboni.
Comment on “Germanium dots with highly uniform size distribution grown on Si(100)
Substrate by molecular beam epitaxy”.
Appl. Phys. Lett. 73, 2378 (1998)
47) F.DeMatteis, P.Prosposito, F.Sarcinelli, M.Casalboni, R.Pizzoferrato,
A.Furlani, M.V.Russo, A.Vannucci and M.Varasi
Silica-based sol-gel Films optically funcionalized througth doping with Organic
Molecules
J. of Non-Cristalline solids 245, 15 (1999)Film ormosil
48) E.Giorgetti, G.Margheri, S.Sottini, M.Casalboni, R.Senesi, M.Scarselli and
R.Pizzoferrato
Dye-doped Zirconia-based Ormosil planar waveguides:optical properties and surface
morphology
J. of Non-Cristalline solids 255, 193 (1999))
Articolo Keele
49) M. Casalboni, F. De Matteis, P. Prosposito, R. Pizzoferrato
Optical investigation of infrared dyes in hybrid thin films
Appl. Phys. Lett. 75, 2172 (1999)
Articolo L’Aquila
50) M. Casalboni, R. D’Amato, I. Fratoddi, A. Furlani, R. Pizzoferrato, F. Sarcinelli,
R. Senesi, A. Vannucci and M. Varasi.
Second harmonic generation in PMMA films doped with organometallic complexes.
Rad. Effects and Defects in Solids 150, 629 (1999)
51) M. Casalboni, F. Sarcinelli, R. Pizzoferrato, R. D’Amato, A. Furlani and M. V. Russo
Second harmonic generation and absorption spectra of platinum organometallic
complexes
incorporated in pmma films
Chem. Phys. Lett. 319, 107 (2000)
52) R. Pizzoferrato, M. Casalboni, F. De Matteis, P. Prosposito.
Optical investigation of infrared dyes in sol-gel films
J. of Lumin. 87-89, 748 (2000)
53) P. Prosposito, M. Casalboni, F. De Matteis, R. Pizzoferrato
Organically modified Sol-gel films Doped with infrared Dyes: an Optical Investigation
Thin Solid Films 373, 150 (2000)
54) M.De Crescenzi, R.Bernardini, R.Gunnella, P.Castrucci, M.Casalboni, R.Pizzoferrato,
G.Dufour and F.Rochet
Interaction of acetylene on Si(111): growth and luminescence of Si1-xCx thin layers
Philosophical Magazine 80, 669 (2000)
55) R. Pizzoferrato, F. Sarcinelli, M. Angeloni, M. Casalboni, F. Bertinelli, P. Costa-Bizzarri,
C. Della Casa, M. Lanzi
Optical characterization of alky-thiopheic monomers functionalized with second-order
nonlinear chromophores
Chem. Phys. Lett. 343, 205 (2001)
56) M. Casalboni, F. De Matteis, P. Prosposito, R. Pizzoferrato, A.Vinattieri
Optical characterization of IR-active composite glasses
Optical Materials 18, 285 (2001)
57) V. Bruno, A. Castaldo, R. Centore, A. Sirigu, F. Sarcinelli, M. Casalboni, R.
Pizzoferrato,
Second harmonic generation in polymers containing a new azo-chromophore based on
phenylnitrobenzoaxole
J. of Polymer Science A: Polymer Chemistry 40, 1468 (2002)
58) P. Innocenzi, E. Miorin, G. Brusatin, A. Abbotto, L. Beverina, G. A. Pagani,
M.Casalboni, F. Sarcinelli, R. Pizzoferrato
Incorporation of zwitterionic push-pull chromophores in hybrid organic-inorganic
matrices
Chem. Mater. 14, 3758 (2002)
59. A. Baraldi, R. Capelletti, M. Casalboni, C. Mora, M. Pavesi, R. Pizzoferrato, P.
Prosposito, F.Sarcinelli.
Effects of composition and catalyst on the optical properties of ZrO2-based Ormosil
films
J. of Non-Cristalline Solids 317, 231 (2003)
60. F. Mercuri, R. Pizzoferrato, U. Zammit, and M. Marinelli
Photopyroelectric structural and thermal characterization of first-order phase transition in
liquid crystals Appl. Phys. Lett. 81, 4148 (2002)
61. P. Innocenzi, G. Brusatin, A. Abbotto, L. Beverina, G.A. Pagani, M. Casalboni,
F. Sarcinelli, R. Pizzoferrato
Entrapping of push-pull zwitterionic chromophores in hybrid matrices for photonic
applications
J. of Sol-gel Sci. & Tech., in press
62. M. Casalboni, F. Belli, M.Cirillo, F. De Matteis, R. Pizzoferrato, P. Prosposito, R.
Russo
Hybrid strip-loaded waveguides on silicon substrates
J. of Sol-gel Sci. & Tech., in press
63. G. Brusatin, P. Innocenzi, A. Abbotto, L. Beverina, G. A. Pagani, M. Casalboni, F.
Sarcinelli, R. Pizzoferrato
Hybrid organic-inorganic materials containing poled zwitterionic push-pull hromophores
J. of Eur. Cer. Soc., in press
64)
M. De Crescenzi, R. Bernardini, M. Cardella, R. Gunnella, P. Castrucci, R.
Pizzoferrato,
M. Casalboni
Structural and electronic investigation of Si(001) surface after acetylene interaction
Surface Science, in press
65) R. Pizzoferrato, M. Berliocchi, A. Di Carlo, P. Lugli, M. Venanzi, A. Micozzi A. Ricci,
and C. Lo Sterzo
Improvement of the extended one-pot procedure to form Poly(arylene-ethynylene)s and
investigation of their electrical and optical properties.
Macromolecules, in press
CONTRIBUTI DI DIVULGAZIONE SCIENTIFICA
1) R. Pizzoferrato, voce “Calcolatore ottico”, Enciclopedia delle Scienze Fisiche vol.
VI,
p. 617, Istituto dell’Enciclopedia Italiana G. Treccani, Roma, 1995
2) R. Pizzoferrato, voce “Test statistici”, Enciclopedia delle Scienze Fisiche vol. VI, p.
244,
Istituto dell’Enciclopedia Italiana G. Treccani, Roma, 1995
in fede
Roberto PizzoferratoIn fede
Roberto Pizzoferrato
1