My research activity is focused on surface magnetism and surface magnetometry using polarized synchrotron radiation and photoelectron spin polarization measurements, and instrumentation development. I am currently serving as chair of ESFRI and of Physical Science and Engineering Strategy Work Group. I have been Chair of the GSO (Group of Senior Officials of G8+5) addressing Global Research Infrastructures. I am coordinating the H2020 project NFFA-Europe (2015-2019) and the Italian PRIN project NOXSS on single object imaging.
The research activity of Dr. Panaccione is mostly devoted to the exploitation of Synchrotron Radiation spectroscopies for the study of correlated systems and novel quantum materials, following three main axes: (1) electronic and magnetic properties of low dimensional sys- tems (surfaces and interfaces), (2) electron confinement, and (3) complex oxides.
My research activity is focused on the nanostructural characterization by High Resolution Transmission Electron Microscopy (HRTEM), Scanning Electron Microscopy (SEM) and High resolution X-ray Diffraction (XRD) of nanostructured materials with a special emphasis on oxide thin films and heterostructures. I’m scientific responsible of the SEM facility at CNR-IOM and of the users training/assistance as well as of the technological activities in support of commercial services for industrial users.
The main scientific interest is to study electronic, magnetic and geometrical structures of surface and interfaces by means of photoelectron spectroscopy, photoabsorption spectroscopy, x-ray magnetic circular dichroism, STM and STS. The electronic and geometrical structures of magnetic materials are of particular interest.
My research activity is focused on the investigation of the correlations among the structural properties (mainly substrate-induced strain) and the transport/electronic properties (metal-insulator transition, quantum interference effects at low temperatures, and so on) of oxide thin films and heterostructures.
I have experience in materials modeling (mostly simulations based on density functional theory, DFT) on a variety of systems, ranging from semiconductor interfaces to beyond-DFT approaches, from organic crystals to diluted magnetic semiconductors, from Heusler alloys to multiferroics and magnetoelectrics. I have been mainly active in the field of cross-coupling phenomena, with simulations aimed at discovering and optimizing microscopic mechanisms at play in multifunctional materials.
Piero Torelli is responsible of APE-HE endstation and MBE Cluster within CNR-IOM. He obtained his Ph.D. in physics from the University of Paris Sud (Paris XI) with a doctoral thesis on the magnetic properties of small systems. He worked as post-doc at the EU-STREP FOX Project at ESRF in Grenoble. His research activity is focused on the investigation of the magnetic properties of nanostructure and thin films. The class of material that I study comprises: metals, diluted magnetic semiconductors and oxides, multiferroics and new functional materials.
Photoelectron spectroscopies with conventional and synchrotron radiation sources; ultra-high vacuum (UHV) techniques, UHV compatible surface preparation techniques and thin film deposition; Auger electron spectroscopy; low energy electron diffraction (LEED), Laue X-ray diffraction; resistivity and susceptibility measurements; participation in the construction and commissioning of beamline APE at Elettra synchrotron.
My research activity is focused on non-linear spectroscopy on condensed matter and realization of a new high harmonic generation beamline for photoemission spectroscopy at high repetition rate. My work was focalized on time resolved (“pump and probe”) spectroscopy based on table top and free electron lasers.
My research activity has been mainly devoted to the growth and the characterization of semiconductor compounds heterostructures, of both III-V and II-VI materials, for electronic and optoelectronic applications. In the last years my attention has been focused to the growth by molecular beam epitaxy and the physics of semiconductor compounds nanowires.
My research activity is mainly devoted to the study of the interplay between magnetic and electronic-structural properties in highly correlated systems on the Cluster Growth at APE beamline (buried interfaces, 2D electron gases, ferroelectric and magnetic oxides heterostructures). I do also local contact activity on APE-HE beamline.
I am a development scientist with more than 15 years experience in scientific computing area and HPC computational e-infrastructures. I am currently coordinating a team that is maintaining cutting-edge HPC, GRID and CLOUD infrastructures and deliver high level computing services for CNR/IOM. From January 2014 I am coordinator of Master in High Performance Computing promoted by SISSA and ICTP (www.mhpc.it).
My work relies on data acquisition software development for the APE laboratory at Elettra Synchrotron. My development skills includes Labview, C, C++, Delphi and Java. I also developed the acquisition software at Tempo Beamline at Soleil Synchrotron (France) My closest interests are: Developing ad-hoc data acquisition software, Integration of third party data acquisition software, Software development and data management for time resolved experiments.
Research activity concern to oxide thin films and heterostuctures growth by means of molecular beam epitaxy, and its magnetic, transport and structural properties study in dependence on interface and surface state and/or interaction (exchange bias and tunneling structures).
My research is focused on the investigation of heterogeneous catalysis by means of X-ray absorption spectroscopy. In particular my work is related with the development and the use of the in-situ reaction cell at APE-HE beamline for NEXAFS experiments. All the studies are supported by theoretical calculations with FDMNES, FEFF, CTM4XAS and VASP codes. The catalytic systems of interests are mainly porous materials with single active sites as: zeolites and metal-organic frameworks (MOFs).
Experience in theoretical characterization of multifunctional materials by means of first-principles calculations based on Density Functional Theory. In particular, studied materials until now have been those exhibiting properties of interest for technological applications, like piezoelectricity, ferroelectricity and combination of the latter with spin-orbit coupling. A special emphasis has been put on the analysis of electronic, structural, ferroelectric and dynamical properties. Current research topic focuses on the study of the new class of materials exhibiting 2D magnetism. Established collaborations with experimentalists in order to support explanation and/or cross-check of the experimental observations via of ab-initio calculations.
The common feature of my research activity has been the study of thin film growth by means of various electronic spectroscopies; in particular, in the past I have worked on metal-organic interfaces, while now I am focusing on the electronic and magnetic properties of highly correlated materials like manganites and titanium dioxide. To this aim I am currently working at the commissioning of a new apparatus which will allow to perform spin and time resolved photoemission exploiting a High-Harmonic-Generation source.
My research activity focuses on study of strain induced electrical, magnetic and magneto-transport properties of epitaxial oxide thin films, heterostructures etc. along with lithography, etching and fabrication of MEMS/NEMS devices in class 1000 Cleanroom.
My research activities are essentially focused on multiferroic (ferroelectric/ferromagnetic) materials. From the MBE growths to characterization measurements, passing through micro or nano-patterning steps. My Ph.D consisted to observe dynamical effects in magnetic SAW devices and my post-doc will consist to observe static effects.
I am studying the electronic structure of topological insulators and related low dimensional materials, such as transition metal (di)chalcogenides, Weyl semimetals etc. Normal ARPES, spin-resolved ARPES as well as STM techniques are the main tools, used in my study.
I am currently working at SPRINT-NFFA laboratory, completing my master thesis. My activity is mostly devoted to the implementation and optimization of the XUV source from High Harmonics Generation in gas phase, starting from a mode-locked pulsed IR laser, used for time-resolved photoemission experiments.
My research interests are mainly focused on the investigation of the electronic and spin properties of topological insulators, both single crystal and thin films, and 2D systems. During my master thesis, I contributed to technical test and characterization of VLEED spectrometers of the new SP-ARPES device at APE-NFFA beamline; I was also involved in the study of electronic properties of both Bi2Se3 and oxides thin films grown in-situ by Pulsed Laser Deposition.
I am focusing my research on the study of phase transitions in magnetic materials, by leading the system into an out of equilibrium state via optical excitation and following the deexcitation process to the ground state with time-resolved probes.
My research activity is mainly focused on the investigation of the surface reactivity of heterogeneous catalysts by operando X-ray absorption spectroscopy with Synchrotron radiation. Moreover, I perform computational simulations with DFT and semiempirical methods, in order to have a clear and complete interpretation of the experimental data.
I am responsible for NFFA-Trieste proposals management and I assist the users in the use of NFFA data storage tools.
My main research activity was focused on density functional theory simulations as well as Green's functions calculations of the electronic and magnetic properties of semi-infinite surfaces. I have experience in modeling two-dimensional materials/heterostructures, interfaces and surfaces (including atomic and molecular adsorption), their geometric and electronic structures, magnetic properties, LS coupling, spin-orbit derived spin textures and other characteristics relevant for comparison with experiments.
I mostly worked on determination of electronic band structure and Fermi surface by ARPES method in order to understand the underlying physics behind the interesting systems like two dimensional materials, oxides, and other functional materials. Also I worked on spin resolved ARPES in order to determine the electronic spin textures.
My research activity was focusing on the study of multiferroic thin film heterostructures by means of spectroscopy measurements with a particular interest in in-operando investigation of thin films and devices.
My research was focused on “Design and development of in-situ reaction cell at APE-HE Beam line” for XAS measurements in ambient pressure. Research work carried out on deposition of various thin film catalysts by PLD, sputtering and chemical techniques for energy and environmental applications such as Photocatalysis for water treatment, Electrochemical water splitting, CO oxidation and H2 generation from hydrolysis of complex hydrides.
My research project was focused on the interplay among chemical, electronic and magnetic properties of ferrite nanoparticles with a particular interest in the role played by the surface spins.
During my PhD I focused on the research of magnetic properties of nanostructured materials. I have a background in nano- and micro-fabrication techniques (EBL, FIB, photolithography), as well as in magnetic characterization techniques, such as MOKE, Kerr microscopy, XPEEM and XMCD. My actual field of research also includes in-operando experiments to investigate the properties of materials either under electric and magnetic fields or in near ambient conditions.
My research activity was concentrated on the study of the dynamical properties of magnetic hetero structures. In particular, I investigate the ultrafast dynamics of magnetization in metallic thin films under optical excitation. With this aim, I worked at the development of an apparatus for measurement of time and spin resolved photoemission, that would allow to explore the dynamical behavior of the elementary magnetic momenta, the electrons’ spins.
My PhD project was devoted to the study of interplay between structural, dynamical and ferroelectric interfacial properties in multiferroic heterostructures. This work concerned both synthesis of multilayered systems, in the MBE Cluster Growth at the APE beamline, and characterisation with soft X-rays synchrotron light, at the APE High-Energy end station. Of particular interest on these kind of systems are in-operando measurements, in which spectroscopy signals are collected while applying external electric/magnetic fields.