About the Author

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M.D. Glinchuk, Doctor of Science and Professor of Physics, is Head of the Department of Functional Oxide Materials at the Institute of Material Science NAS of Ukraine, in Kiev. Academic interests: Theory of disordered ferroelectrics, ferroelectric thin films and multilayers, multiferroics, nanoferroics. A.V. Ragulya, Doctor of Science and Professor of Physics, is Head of the Department of physical chemistry and technology of nanostructured ceramics and nanocomposites at the Institute of Material Science NAS of Ukraine, Kiev. Academic interests: Technology of ceramic materials (e.g. ferroelectrics and ferromagnets), ceramic nanopowders, physical and chemical properties of ferroelectric nanomaterials. V.A. Stephanovich, Doctor of Science and Professor of Physics, Opole University, Poland. Academic interests: Theory of ferroelectrics, multiferroics, classical and quantum magnetism, topological defects, magnetic nanoparticles, objects with confined geometry like thin films and nanoparticles.