12th SPCA Speakers & Topics

Dr. Andrei Rogalev, ESRF, Grenoble, France
Tentative Title: "X-ray Magnetic Circular Dichroism Studies of 5f-based Magnetic Systems"
Prof. Andrei Rogalev is a senior scientist at the Electronic Structure, Magnetism and Dynamics (EMD) group, at the European Synchrotron Radiation Facility (ESRF) . Received his PhD in Physics at Moscow State University in 1992. In 1993, he joined the European Synchrotron Radiation Facility to work in X-ray spectroscopy group. Since 1998, he has become responsible for ID12 beamline dedicated to polarization dependent x-ray spectroscopy. This beamline is a unique instrument on worldwide scale devoted to research at the ultimate limits of x-ray spectroscopy with polarised synchrotron radiation. Andrei Rogalev played an important role in spectacular progress observed in field of magnetism using x-ray magnetic circular dichroism technique. He has together with his co-workers discovered new x-ray dichroisms exploiting optical activity phenomena in non-centrosymmetric magnetic systems, e.g. chiral molecular magnets. His scientific production includes more than 300 papers in peer-reviewed journals and 7 book chapters.
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Dr. Dominik Legut
, VŠB-Technická Univerzita Ostrava, Czech Republic
Tentative Title: "Ab initio Calculations of Actinides - Importance of the Spin-orbit Coupling and Electron Correlations"

Dominik Legut is a senior scientist at the IT4Innovations czech supercomputing center at the VSB - Technical University of Ostrava, Ostrava, Czech Republic He received his PhD in Material Science Engineering in 2004 at Brno University of Technology, Brno, Czech Republic. In 2007-2012 he spent post-doc stays at the Uppsala University in Sweden and Material Center Leoben in Austria. At present he design novel materials performing first principles calculations with focus to nuclear fuel materials, superhard coatings, and low-dimensional magnetic structures. He is especially interested in following topics: ultrafast demagnetization and its detection by X-ray magnetic circular dichroism, Kerr effect;  linear and quadratic magneto-optical effects in valence and soft/hard x-ray regime; thermal expansion of materials, lattice vibrations, electronic correlations and spin-orbit coupling in f-electron systems;  exchange interactions and thermodynaical stability of low dimensional magnetic systems; phase stability of superheavy elements and calculations of the relativistic effects (spin-orbit interaction in particular)
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Dr. Isabel Paiva, Instituto Superior Técnico, Lisboa, Portugal
Tentative Title: "Solutions and trends in Radioactive Waste Management"

Isabel Paiva, studied Chemistry/Biochemistry at Faculty of Sciences of the University of Lisbon, got a Ph.D. in Chemical Engineering in 1996, from the Technological University of Loughborough in a partnership with AEA/UKAEA/Harwell, UK and made a 1 year post-graduation in Radiochemistry at Florida State University, USA. After returning to Portugal, in 1998, she become researcher of ITN and was co- coordinating the Radioprotection and Radioactive Waste Group of the former Radiation Protection and Safety Unit. Paiva is currently a researcher of the Centro de Ciências e Tecnologias Nucleares (C2TN), of Instituto Superior Técnico (IST), Lisbon University, with research interests in radioactive waste management and radiological protection.
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Dr Itzhak Halevy, Nuclear Research Center, Negev, Israel
Tentative Title: "New Developments in Nuclear Forensic"

Dr Itzhak Halevy is a senior Scientist at the Nuclear Research Center–Negev and a lecturer at the Ben-Gurion University where he currently is a head of a clean laboratory with TOF-SIMS and fission-track-analysis techniques, which are supporting the nuclear forensics research. He has been collaborating with the DOE, NNSA and JRC Laboratories. He spent his two sabbaticals at Caltech, establishing a new high pressure laboratory with special expertise in synchrotron radiation experiments using Diamond-Anvil-Cell. In the last 10 years, he has focused in nuclear forensics. Large experiments in closed and open environmental areas involving explosives and radioactive materials were conducted. A Radiological Dispersal Devices (RDD) scenario was simulated to study the radioactive dispersion after event. A large variety of radiation and contamination detectors were used on vehicles, backpacks and micro-copters. The effect of atmospheric conditions and the explosive and radioactive source on the cloud and deposition on the ground were studied carefully.
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Dr. James G. Tobin, University of Wisconsin-Oshkosh, USA
Tentative Title: "The Evolution of X-ray Absorption Spectroscopy of the Actinides"

Dr. James Tobin received his BS in Chemistry from the University of Wisconsin-Madison (USA) and his PhD in Physical Chemistry from the University of California-Berkeley (USA). After completing his PhD, he served briefly on the Chemistry Faculty of the University of Wisconsin-Madison, then moved to Lawrence Livermore National Laboratory (USA), where he remained for 26 years. Recently retired from LLNL, he currently teaches at the University of Wisconsin-Oshkosh. His present activities include being the Lead Organizer of the Actinides Symposium at the upcoming Spring 2018 Materials Research Society Meeting in Phoenix, AR, (USA) and Co-Chair of the AVS Focus Sessions on Actinides and Rare Earths. James Tobin is the author or co-author of over 190 publications and a Fellow of the American Physical Society.
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Professor Jean Aupiais, CEA, Arpajon, France
Tentative Title: "Isotopic Fractionation and Isotopic Exchange"

Dr. Jean Aupiais is research director at the CEA (Commissariat à l’Energie Atomique) and professor at the INSTN (Institut National des Sciences et Techniques Nucléaires). He received his PhD in radiochemistry at the university of Paris-Sud in 1990. His research is focused on actinide solution chemistry (speciation). During the last decade, he developed a speciation tool based on coupling capillary electrophoresis and inductively coupled plasma mass spectrometer (ICPMS) for the applications in chemical thermodynamics of actinides. Starting a few years ago, he focused his activity on the interactions protein-actinide and has developed a new tool: the capillary isoelectrofocusing-ICPMS (cIEF-ICPMS) for topological speciation studies.
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Dr. Joaquim Marçalo, Instituto Superior Técnico, Lisboa, Portugal
Tentative Title: "Actinide Coordination and Organometallic Chemistry"

Joaquim Marçalo graduated in chemical engineering in 1980 at the Technical University of Lisbon (IST – Instituto Superior Técnico). He then joined the Portuguese Nuclear Laboratory (later ITN) as a research assistant, working in radiochemistry and actinide chemistry. He obtained a Ph.D. degree in chemistry in 1990 from IST with work in lanthanide and actinide coordination and organometallic chemistry, performed at ITN. He continued his career at the ITN, where currently he is a member of the f-Element Chemistry Group of C2TN at IST (where ITN was integrated in 2012). He initiated in 1991 a new line of research in gas-phase chemistry of lanthanides and actinides (using mass spectrometry techniques) that remains as his main research interest. Additional actual research interests are in the field of coordination and organometallic chemistry of the f-elements.
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Dr. John Gibson, Lawrence Berkeley National Laboratory, USA
Tentative Title: "The Gas Phase as a Venue for Exploring and Expanding Actinide Chemistry"

Dr. John Gibson is a Senior Scientist and Principal Investigator in the Chemical Sciences Division at Lawrence Berkeley National Laboratory, USA. After receiving his Ph.D. in Physical Chemistry from the University of California, Berkeley in 1983 he joined the scientific staff at Oak Ridge National Laboratory, remaining there for 24 years before returning to Berkeley in 2007. The focus of his research has been on gas-phase chemistry of actinides to provide fundamental insights, elucidate condensed phase phenomena, and identify new chemical behavior. Studies of the actinides from thorium through fermium have elucidated differences across the actinide series, including the variable role of the quasi-valence 5f electrons in reactivity and bonding. This line of inquiry is being extended to the heaviest actinides, with recent experiments having been performed on nobelium. He has more than 170 scientific journal publications.
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Professor José António Paixão, CFisUC, University of Coimbra, Portugal
Tentative Title: "Introduction to Photon and Neutron Scattering in Condensed Matter"

Prof. José António Paixão has obtained his PhD in Condensed Matter Physics in 1994 with a thesis on the magnetism of intermetallic uranium compounds, as a grant holder of the European Institute for Transuranium Elements (Karlsruhe). Since then, he has been using neutron and synchrotron radiation for the study of the electronic and magnetic properties of solids. With a background in chemical physics and crystallography, his current interests include multiferroic, superconductor and topological insulator materials. He is currently Director of the Physics Department of the University of Coimbra and Vice-President of the Portuguese Physical Society. In parallel to his academic and scientific career, he has been involved in science outreach activities such as the Physics Olympiads, and will be the chairmen of the 2018 International Physics Olympiad that will be held in Lisbon.
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Professor Ladislav Havela, Charles University, Prague, Czech Republic
Tentative Title: "Magnetism and Electronic Structure of Actinides"

Professor Ladislav Havela obtained a PhD In Physics in 1987, Charles University in Prague. After his PhD he worked at the University of Amsterdam and ITU in Karlsruhe. He returned to the Charles University in 1993 where he is currently Senior Researcher and Associate Professor at the Department of Condensed Matter Physics. His research interests include actinide intermetallic compounds as bulk and thin films, metal hydrides, magnetism, superconductivity, surface science and photoelectron spectroscopy.
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Professor Olivier Tougait, University of Lille, France
Tentative Title: "Overview on the Various Types of Nuclear Reactors: from Neutron Science to Technological Design"

Dr Olivier Tougait (MChem, PhD, Norwestern Universty, University of Rennes1) is a Full Professor at University of Lille, where he leads the joint laboratory associating AREVA-CNRS-ENSCL-Univ. Lille. His research group develops technological projects centered on the uranium fuel cycle (purification, fabrication and reprocessing), with the aim to improve the industrial processes or the commercial products but also to consolidate alternative concepts or innovative materials. The main field of interest of Dr O. Tougait is on the chemical and physical properties of actinides based compounds, with a focused on the comprehension of the effects of the fabrication procedures on the behaviors in used conditions. For more than twenty years he has developed an oriented skill toward the comprehension of the diffusion processes, phase formation and stability, at equilibrium and out of equilibrium states, for various solicitation conditions such as thermal, mechanical, redox and pH, mostly. Dr. O. Tougait is strongly involved in the teaching of Nuclear Sciences, especially for advanced lectures in the specialized Master degree ‘Chemistry and Nuclear Materials’ at University of Lille.
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Professor Pedro Vaz, Instituto Superior Técnico, Lisboa, Portugal
Tentative Title: "Radiological Protection, Safety and Security Issues Associated to the Applications of Radiation Sources"

Pedro Vaz, obtained his Ph.D. in Physics, from the Technical University of Lisbon in 1991. After a post-Doc at CERN, between 1991 and 1993 , he worked for the OECD Nuclear Energy Agency between 1993-2000, and become in 2001a researcher of ITN , integrated since 2012 in Instituto Superior Técnico (IST). He currently is a Principal Researcher with Habilitation, President of the Center for Nuclear Sciences and Technologies (C2TN) and Coordinator of the Radiological Protection and Safety Group of IST. His main areas of research include Radiation Protection, Shielding, Dosimetry and Nuclear Technology. Pedro Vaz teaches Radiation Protection and Dosimetry topics in different Portuguese Universities.

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Professor Peter Franz Rogl, University of Vienna, Austria
Tentative Title: "Phase Diagrams - Phenomenology and Thermodynamics"

Prof. Peter Franz Rogl studied physics and mathematics at the University of Vienna, Austria, where he also obtained his Ph.D. degree in physics in 1971. Between 1974 and 1976 he was a postdoctoral research associate at the Oregon Graduate Center for Study and Research near Portland Oregon, USA. Returning to Vienna, he got the venia docendi in physical chemistry in 1980 followed by a permanent position as Dozent and since 1986 as a.o. Professor in the Institute of Physical Chemistry, University of Vienna. Since 2004 he is Full Professor at the chair of “Physical Chemistry of Materials” in the Institute of Physical Chemistry, University of Vienna. His research interests include bulk thermoelectrics for energy conversion, non-centrosymmetric superconductors, the physics and chemistry of rare earth and actinoid compounds, high strength intermetallics and refractory materials.
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Professor Roberto Caciuffo, European Commission's Joint Research Centre Karlsruhe, Germany
Tentative Title: "Actinide Research with Neutrons and Synchrotron Radiation"

Roberto G. M. Caciuffo is leading the Advanced Nuclear Knowledge Unit of the European Commission's Joint Research Centre (JRC) Directorate G – Nuclear Safety and Security. He received a M.Sc. degree in Nuclear Engineering in 1980 from the Polytechnic of Turin (Italy). Later that year he joined the Euratom group at the Institute Laue-Langevin in Grenoble where he was awarded a Marie Curie Fellowship of the European Commission. In 1983 he discussed his thesis on Solid State Physics at the University of Parma and became a temporary contract professor at the University of Ancona. In 1988 he was promoted associate professor and in 1989 he joined the Rutherford Appleton Laboratory (UK) as Italy's spokesperson at the ISIS neutron source. In 2001 he became a full professor of experimental physics at the Marche University, before joining the JRC (Karlsruhe, Germany) in 2005. Caciuffo's scientific career has been focused on the study of magnetic correlations in f-electron systems and of quantum phenomena in molecular nanomagnets. He has worked at neutron scattering centres around the world and he is a frequent user of the European Synchrotron Radiation Facility in Grenoble.