Materials Science and Nanotechnology

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2nd International Conference on MAGNETISM AND MAGNETIC MATERIALS
September 24- 26 , 2018 | Budapest , Hungary

Elena Zvereva, Bukhteev K, Nalbandyan V, Evstigneeva M, Komleva E, Streltsov S, Kurbakov A, Kuchugura M and Vasiliev A

Moscow State University, Russia Southern Federal University, Russia Institute of Metal Physics, Russia Petersburg Nuclear Physics Institute – NRC Kurchatov Institute, Russia

Scientific Tracks Abstracts : Mater Sci Nanotechnol


New triangular lattice layered compound MnSnTeO6 with unique chiral crystal structure was prepared and its static and dynamic magnetic properties were studied both experimentally (through magnetization, specific heat, neutron diffraction and ESR) and theoretically (through ab initio DFT calculations). Magnetic susceptibility and specific heat evidence an onset of antiferromagnetic order at TN~10 K. However, there observes an additional first order transition at T*~5 K, which can’t be related to structural one as confirmed from the neutron data. The ground state was found to be stabilized by seven exchange parameters determined via ab initio DFT calculations. All of them are significant, but there is a remarkable difference triggered by chiral structure: the left-handed interactions are weaker than the right-handed ones. The spin dynamics was (ESR data) discussed in the terms of critical broadening and BKT scenario.


Elena Zvereva has completed her PhD in 2000 and habilitation in 2017 from Lomonosov Moscow State University, Russia. She is Professor Associate of Physics Faculty of Lomonosov Moscow State University, Russia. She has over 100 publications that have been cited over 300 times. Scientific interests include wide class of quantum cooperative phenomena in Condensed Matter Physics, with emphasis on strongly correlated electron system, low dimensional magnetism, novel functional materials for Li-ion batteries fabrication and spintronics. Research activities are related to the fundamental characterization of static, dynamic and resonant physical properties of the new complex oxides and chalcogenides of transition, alkali and rare-earth metals.

E-mail: [email protected]

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