Welcome to Diego's Home
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Current
Address:
Gordon McKay Laboratory Office 317, 9 Oxford
Street Cambridge, MA 02138 Phone: (617)
495-4015 Fax:(617) 496
4654
E-mail: diego@xray.harvard.edu |
Education:
Ph.D. (chemistry) King's College London,
2002
M.Sc.(physics) University of
Trieste, Italy, 1996
B.Sc. (physics, mathematics) "N. Copernico"
High School, Udine, Italy, 1989
Research experience:
Postdoctoral fellow, Division of Engineering and
Applied Sciences, Harvard University
(November 2003 -
present)
within Nanotechnology and Interdisciplinary
Research Initiative (NIRT) on
wetting of nanopatterns.
Advisor :
Prof. Peter S.
Pershan, Department of Physics and Division of Engineering and
Applied Sciences
Projects : • Investigation of Langmuir monolayers
of functionalized
nanoparticles.
• X-ray reflectivity studies of
wetting of nanopatterned surfaces.
• Synchrotron reflectivity studies of
liquid eutectic alloy surfaces.
Visiting scientist, European Synchrotron
Radiation Facility (ESRF), Grenoble, France
(May 2002 - October 2003).
Advisor : Dr. Theyencheri
Narayanan, Soft Condensed
Matter Group , High
Brilliance Beamline
Projects : • Development of anomalous small angle X-ray scattering for the
study of polymer colloids.
• Application of time-resolved simultaneous small
and wide angle X-ray scattering to the study of colloidal growth phenomena.
Postdoctoral fellow, Universität Karlsruhe, Germany
(March 2002 - September 2003)
within European Research Network on
Colloids (HUSC)
Advisor : Prof. Dr. Matthias
Ballauff, Polymer-Institut
Projects : • Investigation of counterion distribution
around spherical polyelectrolyte brushes.
• Studies of formation and
transformation of colloidal calcium carbonate.
Doctoral fellow, ESRF and King's
College London (January 1999 - March 2002).
Advisors : Prof. Adrian R.
Rennie, Department of
Chemistry
Dr. Theyencheri
Narayanan, High
Brilliance Beamline
Projects : • Early stage nucleation and
growth of colloidal silica.
• Gas-liquid phase transitions in
sterically stabilised colloids.
• Adsorption induced attractive colloidal
glasses.
• Evaluation of X-ray detectors for
SAXS.
Research fellow, Elettra Synchrotron Light Source,
Trieste, Italy (July 1996 - December 1998).
Advisor : Dr. Giuliana Tromba, Medical
Beamline
Projects : • Assembly of multi-layer detectors for
digital radiography.
• Implementation of front-end and read-out
electronics.
• Application of phase contrast X-ray
imaging methods to digital mammography.
Master thesis fellow, University of Trieste and National Institute for Nuclear Physics, Trieste, Italy (May 1995 - May
1996).
Advisors :
Prof. Edoardo Castelli, Department of
Physics
Dr. Michela
Prest, Syrmep
Collaboration
Projects : • Evaluation of silicon detectors for X-ray
imaging.
• Characterisation of VLSI analog-digital
circuits.
Selected publications:
"Solvent Mediated Assembly of Nanoparticles Confined in Mesoporous Alumina"
K.J. Alvine, D. Pontoni, O.G. Shpyrko, P.S. Pershan, D.J. Cookson, K. Shin, T.P. Russell, M. Brunnbauer, F. Stellacci, and O. Gang
Phys. Rev. B 73, 125412 (2006)
"Atomic-Scale Surface Demixing in a Eutectic Liquid BiSn Alloy"
O. Shpyrko, A.Y. Grigoriev, R. Streitel, D. Pontoni, P.S. Pershan, M. Deutsch, B. Ocko, M. Meron, and B. Lin
Phys. Rev. Lett. 95, 106103 (2005)
"Time-resolved SAXS study of the effect of a double hydrophilic
block-copolymer on the formation of CaCO3 from a supersaturated salt
solution"
J. Bolze, D. Pontoni, M.
Ballauff, T. Narayanan, and H. Colfen
J. Coll. Interf.
Sci.
277, 84 (2004) [PDF]
"Counterion distribution around a spherical polyelectrolyte brush probed
by anomalous small-angle X-ray scattering "
N. Dingenouts, M. Patel, S.
Rosenfeldt, D. Pontoni, T. Narayanan, and M. Ballauff
Macromolecules 37,
8152
(2004) [PDF]
"Nucleation
and growth kinetics of colloidal silica"
D. Pontoni, T. Narayanan and
A.R. Rennie
Prog. Coll. Polym.
Sci. 123, 227 (2004) [PDF]
"Analysis of
the correlation of counterions to rod-like macroions by anomalous small-angle
X-ray scattering"
M. Patel, S. Rosenfeldt, M.
Ballauff, N. Dingenouts, D. Pontoni, and T. Narayanan
Phys. Chem. Chem.
Phys.
6, 2962 (2004) [PDF]
"Interactions and kinetic arrest in an adhesive hard-sphere colloidal
system"
D. Pontoni , S. Finet, T.
Narayanan, and A.R. Rennie
J. Chem. Phys.
119, 6157 (2003) [PDF]
"Crystallization
of calcium carbonate observed in-situ by combined small- and wide-angle X-ray
scattering"
D. Pontoni, J. Bolze, N. Dingenouts, T.
Narayanan, and M. Ballauff
J. Phys. Chem. B
107, 5123 (2003) [PDF]
"Microstructure
and dynamics near an attractive colloidal glass
transition"
D. Pontoni, T. Narayanan, J.-M. Petit, G.
Grübel, and D. Beysens
Phys. Rev. Lett. 90,
188301 (2003) [PDF]
"USAXS
studies of attractive colloidal glass transition"
D.
Pontoni and T. Narayanan
J. Appl. Cryst.
36, 787 (2003) [PDF]
"Time-resolved
SAXS study of nucleation and growth of silica
colloids"
D. Pontoni, T. Narayanan, and A.R.
Rennie
Langmuir 18, 56 (2002) [PDF]
"High dynamic range SAXS data acquisition with an X-ray image
intensifier"
D. Pontoni, T. Narayanan, and A.R. Rennie
J. Appl. Cryst. 35, 207 (2002) [PDF]
"Mammography with synchrotron radiation: phase-detection
techniques"
F. Arfelli, V. Bonvicini, A. Bravin, G.
Cantatore, et al
Radiology 215,
286 (2000) [PDF]
"A fast 1-D detector for imaging and time resolved SAXS
experiments"
R.H. Menk, F. Arfelli, S. Bernstorff, D.
Pontoni, A. Sarvestani, H.J. Besch, and A.H. Walenta
Nucl. Instrum. Meth. A 422, 698 (1999) [PDF]
"SYRMEP Front-end and Read-out Electronics"
F. Arfelli, V. Bonvicini, A. Bravin, G. Cantatore, et
al
Nucl. Instrum. Meth. A 409, 351
(1998) [PDF]
"A Digital Readout System for the SYRMEP Silicon Strip
Detectors "
F. Arfelli, G.
Barbiellini, V. Bonvicini, A. Bravin, et al
Nucl. Instrum. Meth. A 392, 392 (1997) [PDF]
"CASTOR1.0
a VLSI analog-digital circuit for pixel imaging
applications"
C. Colledani, G. Comes, W. Dulinski, Y.
Hu, et al
Nucl. Instrum. Meth. A
395, 435 (1997) [PDF]
"Design
and evaluation of AC-coupled, FOXFET-biased, `edge on', silicon strip detectors
for X-ray imaging "
F. Arfelli, V. Bonvicini, A.
Bravin, P. Burger et al
Nucl. Instrum. Meth.
A 385, 311 (1997) [PDF]
Complete
list
Prizes:
"Harry Brumberger" prize
2002 by the International Union of Crystallography and
SAS2002
for the application of ultra small-angle X-ray
scattering in the studies of attractive colloidal glass
transition.
"Renzo Renzi" prize 1996 by the Italian
Association of Biomedical Physics
for the thesis work on the transfer of
technology from High Energy Physics to Medical Physics.