research activities

Since 2003     

C.N.R.S. Researcher (CR1) at the Univerity Pierre et Marie Curie, Paris (France).

2000-2002

Postdoctoral fellow at ESRF synchrotron laboratory (Grenoble).
Research subject : study of lattice dynamics by Inelastic X-ray Scattering (IXS) on high Tc superconductors and condensed matter systems under extreme conditions.
Research team : F. Sette, M. Krisch, collaboration: A. Shukla, P. Loubèyre.
Instrumental development : on line system for Pressure measurement by Ruby Light (PRL) for diamond anvil cells (DAC), T versus energy calibration based on metrology (silicon lattice parameter and its D(T) thermal expansion), tested on diamond dispersion and ab-initio calculation, assistance in commissioning of 12m IXS spectrometer for sub meV resolution at 25keV.
Complementary techniques : X-ray magnetic scattering (ESRF), X-ray magnetic circular dichroism (LURE), lattice dynamical calculations.

1999     

Postdoctoral fellow at LURE synchrotron laboratory (Orsay).
Research subject : study of magnetism by X-ray magnetic circular dichroism on strongly correlated electrons systems.
Research team : G. Krill, collaboration: J.P. Kappler, P. Sainctavit.
Instrumental development : dilution cryostat for ultra-vacuum soft X-ray experiments with high magnetic fields (up to 7 Tesla).
Complementary techniques : X-ray resonant magnetic scattering (ESRF), neutron scattering, multiplet calculations.

1995-1998

Ph. D. Thesis at LLB neutron laboratory (Saclay).
Research subject : study of magnetism by neutron scattering (inelastic scattering, diffraction and diffuse scattering) on electron doped high Tc superconductors.
Research team : B. Hennion , Thesis supervisor: D. Petitgrand collaboration: P. Bourges, H. Casalta, A. Ivanov.
Complementary techniques : X-ray magnetic scattering (XRMS) (ESRF), spin wave model calculations, X-ray powder and single crystal diffraction (Lure), fluorescence analysis (LURE), SQUID magnetic susceptometer.

1992-1994

Laurea and post-graduate research training at Condensed Matter Laboratory, department of Physics, Bologna University, Italy.
Research subject : study of the phase transitions by ultrasonic attenuation and velocity on high Tc superconductors.
Research team : E. Bonetti, collaboration: M. Acquarone, M. Marangolo, E. Campari, F. Licci, G. Calestani.
Instrumental development : on line frequency data acquisition. Complementary techniques : neutron powder diffraction (LLB).