Prof. Dr. M. I. Katsnelson
Theory of itinerant electron magnetism
Magnetic ordering and related phenomena are of essentially quantum and essentially many-body origin and require strong enough electron-electron interactions. Also, they are very sensitive to the details of electronic structure of specific materials. Since practically all magnetic materials are strongly correlated, the conventional tools like density functional can be insufficient. This makes a truly microscopic description of magnetism of real materials a challenging task. I will review contemporary approaches to theory of a specific class of magnetic materials, itinerant-electron magnets.
Dr. I. Solovyev
National Institute for Materials Science Tsukuba
Modert Theory of Multiferroics: What Is It and How Does It Work?
Multiferroicity is the ability of materials to break the inversion symmetry and thus develop spontaneous electric polarization in response to complex magnetic order. The phenomenon provides a unique possibility for the mutual control of electric and magnetic properties by applying magnetic or electric field, which has tremendous importance for the development of ultra-compact spintronics. In this talk I will discuss key mechanisms of magnetic inversion symmetry breaking and magnetoelectric coupling, originating from interplay between interatomic exchange interactions, intraatomic Hund's coupling, and relativistic spin-orbit coupling.
Dr. S. K. Gupta
St. Xavier's College Ahmedabad
Two-dimensional Materials: Graphene and Beyond
Graphene and graphene-like materials have been the focus of extensive experimental and theoretical investigations due to its remarkable properties and novel applications. These 2D materials can show multipurpose electronic properties, accommodating metallic, semiconducting, superconducting, and also including topological insulator properties with vastly high mobility. With numerous promising applications in revolutionary integrated optoelectronics and photonics and nanoelectronics such as field-effect transistors (FETs), optoelectronics devices, photovoltaic solar cells, valley electronics, and spintronics applications they are considered to speak to a generally new and energizing range for nanotechnology.
Prof. G. Rosenman
Tel Aviv University
Peptide photonics: from bioinspired nanodots to new biomedical nanotechnology
Bionanophotonics is a wide field where combination of biotechnology, fundamental physics, advanced optical materials and nanotechnology result in development of new biomedical tools towards precise photomedicine. In this work we present a novel paradigm of biomedical integrated optical systems applying new generation of bioinspired and biocompatible peptide nanomaterials, their nanotechnology and patterning. It combines developed bottom-up controlled deposition of planar peptide wafers of a large area and top-down high resolution patterning for fabrication of peptide integrated photonic nanoprobes and biochips.
Prof. V. V. Ivanov
Moscow Institute of Physics and Technology
Synthesis of unoxidized nanoparticles in a repetitively pulsed gas discharge
Conditions for the synthesis of nanoparticles with typical sizes in the range up to 10 nm are employed in a pulsed-periodic gas discharge in an atmosphere of argon. The specific energy consumption in the synthesis of nanoparticles is discussed. The merits and demerits of the pulsed gas-discharge method among other gas-phase approaches to the synthesis of nanoparticles are analyzed for the current level of development.
Assoc. Prof. D. T. Valiev
Tomsk Polytechnic University
MgAl2O4 ceramics doped with rare earth ions: synthesis and luminescent properties
The choice of a host is a very important stage for developing new luminescent materials. In this case, it is necessary to take into account the physical and chemical properties of the material and the stability under various operational influences. Transparent ceramics based on spinel structure is a good candidate for these requirements. The magnesium aluminate (MgAl2O4) spinel (MAS) is one of the most perspective ceramic materials due to excellent combination of the chemical, thermal, dielectric, mechanical, and optical properties. In this work, undoped MAS and doped with REIs ceramics were prepared by spark plasma sintering technique (SPS). The optimal modes for SPS processing for MAS were justified to achieve the better transparent, luminescent and mechanical properties. In additional, the structure as well as the photoluminescent and time-resolved cathodoluminescent properties of the spinel ceramics were studied. Decay kinetics and nature of luminescence of MAS ceramics doped with REIs are discussed.
Dr. V. Konovalov
Federal authority for nuclear regulation, UAE
Nuclear non-proliferation control
The report is devoted to the control of the non-proliferation of nuclear weapons, talks about practices and interesting cases in the work of the IAEA inspector, technological control and meetings with interesting people.
Prof. A. Popov
Institute of Solid State Physics, University of Latvia
Radiation effects and defect in functional oxides and halides for fusion applications
I will present an update survey of the optical properties of primary radiation-induced point defects in alkali halides, simple oxides and some oxide and halide perovskites, with special emphasis of their application in fusion application & radiation imaging and dosimetry. In particular, we discuss in details the optical properties of single electron F and F+ centers in rock-salt (f.c.c.) alkali halides and oxides and show that the Mollwo-Ivey law well-known for the F-type centers in alkali halides may be extended for other rock-salt structure insulators.
Planetary Science Institute, Tucson, USA, Institute of Dynamics of Geospheres of the Russian Academy of Sciences
From Chicxulub to Chelyabinsk: on the role of physics in the study of shock events
The discovery by Alvarez (winner of the Nobel Prize for research in the field of nuclear physics) of the iridium anomaly at the border of the Cretaceous-Meteorogene led to a revolutionary change in the basic paradigm of traditional geology about the gradualness of geological processes. It turned out that the impact of a 10-km asteroid can change the geological and biological processes on earth within a few minutes.
Создано / Изменено: 20 февраля 2019 / 20 февраля 2019