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Equipa
Andrei Kholkin
Investigador JubiladoDescrição
The main objective of the project is the development of complex transition metal oxides with perovskite-like structure having improved and controllable (multi)ferroic properties. The mentioned materials are manganites and ferrites with optimal composition having distinct magnetization, polarization, (magneto) transport properties or magnetoelectric coupling. The idea of the project is to utilize reduced structural stability of these oxides, which increases their sensitivity to external stimuli. Improved functional properties of these oxides can be controlled via modification of the chemical bond character, structural parameters, stoichiometry, defects etc. The reduced stability is associated with the metastable structural state formed near the phase boundaries, while this state presumably consists of coexistent nanoscale regions of the adjacent structural phases. There are two ideas to create metastable state: the first one – to design ceramics via chemical substitution and post-synthesis treatment by high pressure and/or thermal cycling in gases to induce nanoscale regions, the second one assumes chemical routes synthesis of films and ceramics.
Research of these oxides requires consolidative efforts of specialists in different scientific areas - Materials Science, Theoretical Physics, Solid State Physics etc. as well as an access to unique equipment and facilities. Another important objective of the project is a formation of interdisciplinary network of teams and specialists with different scientific backgrounds which will ensure effective transfer of actual knowledge and skills. Development of the transition metal oxides with controllable properties has promising commercial opportunities for the involved SME.
Coordenador
Coordenação
Instytut Niskich Temperatur I Badan Strukturalnych Im. Wlodzimierza Trzebiat (PL)
Participantes
Francisk Skorina Gomel State University (BY), Institute of Physics of National Academy of Science of Ukraine (UA), Instytut Niskich Temperatur I Badan Strukturalnych Im. Wlodzimierza Trzebiat (PL), Nanoceramics Spolka Akcyjna (PL), National Academy of Sciences of Belarus (BY), Universidade De Aveiro (PT), Vilniaus Universitetas (LT)
Resultados
Nanoscale Piezoelectric Properties and Phase Separation in Pure and La-Doped BiFeO3 Films Prepared by Sol–Gel Method
Alina V. Semchenko, Vitaly V. Sidsky, Igor Bdikin, Vladimir E. Gaishun, Svitlana Kopyl , Dmitry L. Kovalenko, Andrei L. KholkinNanoscale Piezoelectric Properties and Phase Separation in Pure and La-Doped BiFeO3 Films Prepared by Sol-Gel Method
Semchenko, AV; Sidsky, VV; Bdikin, I; Gaishun, VE; Kopyl, S; Kovalenko, DL; Pakhomov, O; Khakhomov, SA; Kholkin, ALA combined theoretical and experimental study of the phase coexistence and morphotropic boundaries in ferroelectric-antiferroelectric-antiferrodistortive multiferroics
Morozovska, AN; Karpinsky, DV; Alikin, DO; Abramov, A; Eliseev, EA; Glinchuk, MD; Yaremkevich, AD; Fesenko, OM; Tsebrienko, TV; Pakalniskis, A; Kareiva, A; Silibin, MV; Sidski, VV; Kalinin, SV; Kholkin, ALMagnetic Properties of La(0.9)A(0.1)MnO(3) (A: Li, Na, K) Nanopowders and Nanoceramics
Gluchowski, P; Nikonkov, R; Tomala, R; Strek, W; Shulha, T; Serdechnova, M; Zheludkevich, M; Pakalaniskis, A; Skaudzius, R; Kareiva, A; Abramov, A; Kholkin, A; Bushinsky, MV; Karpinsky, DNanoscale ferroelectricity in pseudo-cubic sol-gel derived barium titanate - bismuth ferrite (BaTiO3- BiFeO3) solid solutions
Pakalniskis, A; Lukowiak, A; Niaura, G; Gluchowski, P; Karpinsky, DV; Alikin, DO; Abramov, AS; Zhaludkevich, A; Silibin, M; Kholkin, AL; Skaudzius, R; Strek, W; Kareiva, AIndentation induced local polarization reversal in La doped BiFeO3 ceramics
Abramov, AS; Alikin, DO; Yuzhakov, VV; Nikitin, AV; Latushko, SI; Karpinsky, DV; Shur, VY; Kholkin, ALStructure and piezoelectric properties of Sm-doped BiFeO3 ceramics near the morphotropic phase boundary
Karpinsky, DV; Troyanchuk, IO; Trukhanov, AV; Willinger, M; Khomchenko, VA; Kholkin, AL; Sikolenko, V; Maniecki, T; Maniukiewicz, W; Dubkov, SV; Silibin, MVFixed volume effect on polar properties and phase diagrams of ferroelectric semi-ellipsoidal nanoparticles
Eliseev, EA; Khist, VV; Fomichov, YM; Silibin, MV; Svechnikov, GS; Kholkin, AL; Karpinsky, DV; Shvartsmana, VV; Morozovska, ANLocal electromechanical characterization of Pr doped BiFeO3 ceramics
Abramov, AS; Alikin, DO; Neradovskiy, MM; Turygin, AP; Ushakov, AD; Rokeah, RO; Nikitin, AV; Karpinsky, DV; Shur, VY; Kholkin, ALFinanciadores
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