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Antonio SINDONA - Professori Associati

Antonio SINDONA

Professori Associati

Fisica teorica della materia, modelli, metodi matematici e applicazioni (PHYS-04/A)

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1) Formation: i) 24/07/1996-Degree in Physics-Università della Calabria (Cosenza)-Thesis:"L’adiabaticità nei fenomeni di eccitazione elettronica nei solidi indotta da ioni lenti."-Advisor: prof. GIOVANNI Falcone- Mark: 110/110 cum laudem ii) 31/01/2000-PhD in Physics-Università della Calabria (Cosenza)- Thesis: "Non adiabatic phenomena at surfaces"-Supervisor: prof. GIOVANNI Falcone 2) Academic career i) 07/2000-07/2004 researcher- temporary position- Dipartimento di Fisica- Università della Calabria- project: "Ion-Surface Interaction" ii) 03/01/2005 researcher- permanent position- experimental physics- Faculty of Engeneering- Università della Calabria. iii) Oral communications at international conferences: 30 iv) Coauthor in 35 Pubblications v) Referee for American physical society, Elsevier, Institute of Physics, and American Scientific Publishers 3) Scientific Interests: Theoretical Physics, Surface Physics, Many-Body Physics, Ion-Surface Interaction, Electron Emission, DFT Simulations. 4) Didactic experiences i) Professor of Mechanics, Electromagnetism, and Quantum Mechanics at Università della Calabria, from 2005 to present; ii) Professor of General Physics for the Faculty of Pharmacy- Università "Magna Grecia" in Catanzaro, from 2002 to present; iii) Professor of Surface Physics for the Faculty of Science- Università della Calabria, years 2003-04
Dr. A. Sindona (AS) is a senior researcher of the Physics Department of the University of Calabria (DFIS-UNICAL), with a permanent position since 2005. He has two national qualification as Associate Professor in theoretical and experimental Physics of Matter (valid until Apr 2023). He is the Principal Investigator (PI) of a national project on excited state properties of nanomaterials, abbreviated as NEMESYS, financed with roughly 20000€ per year from 2017 to 2020 by the Italian institute for nuclear physics (INFN), which involves about 30 researchers spread in four units from two Universities (DFIS-UNICAL, Roma Tor Vergata) and two research institutes (INFN-LNF, INFN-TIFFPA). AS has been managing a number of accounts (as PI) with the High Performance Computing (HPC) clusters of the CINECA consortium since 2016, with an overall budget of 5,000,000 core/hours. He coauthored more than 70 publications* [14 American Physical Society (PRL/PRB/PRA), 8 Institute of Physics (NJP/JPhysC/JPhysD/PhysScr), 28 Elsevier (Carbon/SurfSci/NIMB/Vacuum), 2 American Institute of Physics (APL)], and given plenary lectures in more than 40 international conferences/workshops. Previously, AS was the coordinator of a unit of 8 to 10 researchers in two INFN projects, respectively, denominated LF61, from 2005 to 2012, and SEMS, from 2012 to 2016 (with a budget of 5000 to 10000 € per year). From 2005 to 2009, he also took part to other INFN projects (NANOCS, NANOCS2, NUVOLA). AS has been giving undergraduate and PhD courses in Classical Mechanics, Electromagnetism, Quantum Mechanics, and Advanced Numerical Methods for Condensed Matter Physics at the Departments of Pharmacy, Electrical Engineering, Civil Engineering, Mathematics and Physics of UNICAL the University of Catanzaro. He has followed as scientific advisor roughly 15 undergraduate students, 5 PhD students, and 4 Postdocs, two which were assigned on the basis of two grants of the Calabria Region that AS won in July 2013 (with an overall budget of 76000 €). From 1999 to 2005, AS focused on non-adiabatic phenomena at solid state surfaces induced by slow particles (ions), electrons or photons, together with related spectroscopies based on ion probes, electron energy loss, and x-ray sources (PE3_4,PE3_9,PE4_4,PE5_2)**. The study was mostly done with Dr. P. Riccardi (PR) and Prof. G Falcone (GF) of DFIS-UNICAL. On the theoretical side, AS had a leading role in identifying and modeling a new mechanism of charge transfer between secondary atoms ejected from metal substrates, such as Copper, Silver, and Gold, following primary ion bombardment with noble gas or alkali metal ions. He developed an effective Anderson like Hamiltonian for double resonant tunneling involving the sputtered atoms and the metal sample. Some Ab initio calculations were used to derive the non-adiabatic particle solid interaction [1]. This research was done in collaboration with Prof. Z. Sroubek (University of California, Los Angeles, USA). Another achievement, as research leader, was related to the identification and modeling of a Fermi edge singularity in Auger Neutralization of charged particle at metal surfaces [2], in collaboration with Prof. R. A. Baragiola (RAB) and C. A. Dukes (CAD) (Laboratory for Atomic and Surface Physics, Charlottesville, Virginia, USA) and Prof. R. M. Monreal (RMM) (Universidad Autónoma de Madrid). On the experimental side, AS dealt mostly with ion related spectroscopy of Solids, focusing in particular on novel secondary electron emission mechanism activated by primary ion bombardment on metal surfaces, which were unexplained/unexpected by existing theories at that time [3]. The analysis was done in collaboration with RAB, CAD, RMM, M. Ishimoto (Fujitsu Laboratories Ltd, Akashi, Hyougo, Japan) and S. Facsko (Helmholtz-Zentrum Dresden-Rossendorf, Germany). For the above-mentioned achievements, AS was selected in Sept 2008 as qualified expert in the committee of the CLEMSON University (USA) for the promotion of Dr. C. Sosolik to Associate Professor. From 2006 to 2014, AS has been focusing on electronic characterization and many-body excitations in Carbon based nanostructure, including low-dimensional Graphene based and beyond Graphene materials, together with possible interfaces with metal substrates (PE3_1,PE3_4,PE3_9,PE4_4,PE5_2,PE5_4). On the theoretical side, AS has begun dealing with core-hole effects (Dynamic Screening, Anderson Orthogonality Catastrophe) in Carbon Nanotubes and Fullerenes, using both Tight Binding (TB) and Density Functional Theory (DFT) approaches to model the valence band structure of the systems [4]. He specialized to ab initio, DFT-based methods (PE4_13) to characterize the sudden change of the electronic structure following core-hole creation by a fast electron or photon. AS also proposed a DFT-based model to extend such a singular response to Auger type electron excitations processes [4]. This part of the research was mainly developed at DFIS-UNICAL, in collaboration with PR, GF and some other PhD students and postdocs [particular credits go to Dr M Pisarra (MP) (Post Doc at DFIS-UNICAL and Universidad Autónoma de Madrid)]. On the experimental side, AS took part to diverse projects, including [5]: Particle intercalation in Carbon Nanotubes, in collaboration with the Ion-Surface group of DFIS-UNICAL lead by Prof. X. Fang; Electron energy-loss spectroscopy of Graphene-Metal samples, in collaboration with the Surface and Nanoscience group of DFIS-UNICAL, led by Prof. L. S. Caputi; Secondary electron spectroscopy of few layer Graphene, in collaboration with PR and MP; Angle Resolved Photoemission Spectroscopy of Graphene-Platinum interfaces, in collaboration with MP, Dr. D. Pacilé (DFIS-UNICAL), Dr. M. Papagno (DFIS-UNICAL) and the Trieste synchrotron group lead by C. Carbone. In the past four years, AS took an interest in critical phenomena and quantum thermodynamic properties of low dimensional systems. He specialized to the distribution of work in trapped Fermi gases (PE2_7,PE2_8) induced by a sudden quench, in conjunction with dynamic core-hole screening in low-dimensional systems (PE2_10,PE3_4,PE4_4,PE6_4). He developed a model to describe the Anderson Orthogonality Catastrophe in ultra-cold gasses and found a connection with the same phenomena occurring in Fullerene molecules [6]. The study was done in collaboration with Prof F. Plastina (DFIS-UNICAL), Dr S. Lorenzo (DFIS-UNICAL), Dr. N. Lo Gullo (Padua University), and Dr J. Goold (ICTP, Trieste). Current research is exploring the plasmonics of Graphene based and beyond Graphene heterostructures, with AS leading a team at DFIS-UNICAL, which includes PR, GF, M Gravina (PostDoc at DFIS-UNICAL), Dr. C. Vacacela Gomez (PhD at DFIS-UNICAL) and MP. The study aims at understanding/detecting plasmon modes in nanostructured systems/devices over a wide range of energies (from the lower terahertz to extreme ultraviolet) and momentum transfers via ab initio permittivity/conductivity simulations (PE2_9,PE3_3,PE3_4,PE3_10,PE4_4,PE4_13). Time dependent density functional calculations have being set up and running in collaboration with Prof. J. M. Pitarke, Dr V. M. Silkin, and Prof. E. Artacho from the Nanogune research center of San Sebastian. Novel plasmon modes have been discovered at frequencies below the optical region in Graphene, Bilayer Graphene, Graphene Nanoribbons, and Silicene domains grown on Silver [7]. Transport simulations at the microscopic level (PE7_4,PE7_5) are being investigated in collaboration with Dr S. Bellucci (INFN-LNF), Prof. L. Pierantoni (Università politecnica delle marche, UNIVPM) and Dr D. Mencarelli (UNIVPM) [7]. Dr Sindona is a co-organizer of the Nanoscience and Nanotechnology conference held in Frascati, since 2000, and spent several periods as visiting researchers in the foreign institutions/research centers involved with his research. He has reviewed books and articles for many publishing houses, mostly American Physical Society (PRB, PRA, PRL), Institute of Physics (J Phys C, J Phys D, New J Phys) and Elsevier (Surf Sci, NIMB). *bib legend: PRB=PhysRevB, PRA=PhysRevA, PRL=PhysRevLett, NIMB=NuclInstrMethB, JPhysC=JPhysCondensMatter, JPhysD= JPhysDApplPhys, BJNano=BeilsteinJNanotechnol [1] A Sindona et al, SurfSci 423 99 1999, SurfSci 529 471 2003, NIMB 157 75 1999, NIMB 230 449 2005, NIMB 256 468 2007, NIMB 258 226 2007, NIMB 267 578 2009, NIMB 269 238 2011, Vaccum 84 8 1038 2010, JPhysC 47 475004 2010; G De Luca et al, JMembrSci 229 199 2004 [2] A Sindona et al, PRA 71 052903 2005, Surf Sci 601 1205 2007, NIMB 230 298 2005, NIMB 257 438 2007 [3] M Commisso et al, PRB 72 165419 2005; M Minniti et al, PRB 75 045424 2007; P Riccardi et al, JPhysC 22 305004 2010, PRA 93 042710 2015; PRA 97 032703 2018 [4] A Sindona et al, SurfSci 601 2805 2007, JNanosciNanotech 11 9143 2011, NanosciNanotechLett 3 835 2011, NanosciNanotechLett 4 1462 2012, ThinSolidFilms 543 41 2013, JPhysC 25 115301 2013 [5] A Cupolillo et al, Vacuum 84 1029 2010, P Riccardi et al, ApplPhy Lett 97 221909 2010, ApplPhysLett 101 183102 2013; N Ligato et al, SurfSci 626 40 2014; M Pisarra et al PRB 89 195438 2014, Carbon 77 796 2014; F Xu et al, Carbon 46 1489 2008 [6] A Sindona et al, PRL 111 165303 2013, NewJPhys 16 045013 2014, BJNano 6 755 2015; S Lorenzo et al, PRA 87 045013 2014; D Giuliano et al NewJPhys 12 025022 2010; TJG Apollaro, ‎PhysScr T165 014036 2015 [7] A Sindona et al, PRB 97 041401(R) 2018, PRB 96 201408 (R) 2017;M Pisarra et al, NewJPhys 16 083003 2014, PRB 93 035440 2016; C Vacacela Gomez et al, PRL 117 116801 2016, PRB 95 085419 2016, BJNano 8 172 2017; D Mencarelli et al, JPhysD 48 465104 2015; **ERC sectors in Annex 1
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