Dr. Sergei Piskunov (in Latvian: Sergejs Piskunovs)

Dr. Sergei Piskunov (in Latvian: Sergejs Piskunovs) +371 718 7480J. Vaciesha 1-1, Riga LV-1021, LATVIA piskunov@lu.lvPERSONAL DATAPlace and date of birth: Riga, LATVIA, 15 November 1974Nationality: LatvianMarital status, children: Married, two childrenDriving license: Category B, no restrictions, clean recordHobbies: Keeping fit, playing tennis, modern art, aquarium fishPROFESSIONAL PROFILEA self-motivated and hard working Researcher with experience inMaterials Science. Good problem solving and analytical skills. Able touse own initiative and work as part of a team. Reliable, trustworthy,responsible and meticulous.EDUCATIONUniversity of Osnabrück, Barbarastr. 7, D-49069, Germany 2001-2003Ph.D. in PhysicsDissertation: “The Electronic Structure of Perfect and Defective Perovskite Crystals: Ab InitioHybrid Functional Calculations”Riga Aviation University, Lomonosova str. 1, LV-1019, Latvia 1991-1998M.S. and B.S. in EngineeringM.S. Thesis: “Conduction Quantization in Semiconductor Nano-Heterostructures”B.S. Thesis: “Study of Charge Carrier Dispersion Mechanism in Semiconductors”PROFESSIONAL EXPERIENCEInstitute of Solid State Physics, Kengaraga 8, Riga LV-1063, LatviaResearcher at Laboratory of Non-Linear Processes Theory in Solids2003-PresentUniversity of Osnabrück, Barbarastr. 7, D-49069, Germany 2001-2003Researcher at Theoretical Solid State Physics GroupProject: “Large-Scale Computer Modeling of Multi-Layered Structures for NanoscopicFerroelectric Memories”LINES Commerce Company, Artilerijas 17, Riga LV-1001, Latvia 1997-2001Computer and Computer Networks EngineerMAIN RESEARCH/SCIENTIFIC INTERESTS• Materials Physics and Chemistry.• Condensed Matter Theory.• Development of methods for computer simulations of materials and processes.• Theoretical simulation of different phenomena in bulk and on surface of solids.• Surface decomposition under irradiation by electrons and photons.• Properties of perovskites: Ferroelectric, piezoelectric and magnetic properties. Phasetransitions. Surface and size effects. Ferroelectric, piezoelectric and magnetic thin films, fine

particles and multilayer structures. Colossal magnetoresistance. Point defects, theirstructure, optical properties and mobility. Superconductivity.• Quantum-chemical simulation of chemical reactions in different environments and nearsurfaces of solids, catalysis.• Electron and energy transfer in solids, molecular wires, nanostructures.• Application of results of simulations to design new advanced materials (scintillators,radiation detectors, lasers, fuel cells, phosphors, sensors, optical fibers, catalysts, electronicdevices, etc.)SELECTED PUBLICATIONS• “Electronic and magnetic structure of La 0.875 Sr 0.125 MnO 3 calculated by means of hybrid densityfunctional theory”S.Piskunov, E.Spohr, T.Jacob, E.A.Kotomin, and D.E.Ellis, Phys. Rev. B 76 (2007) p. 012410.• “Electronic structure and thermodinamic stability of double-layered SrTiO 3 (001) surfaces: Ab initiosimulations”E. Heifets, S.Piskunov, E.A.Kotomin, Yu.F.Zhukovskii, and D.E.Ellis, Phys. Rev. B 75 (2007)p. 115417.• “Adsorption of atomic and molecular oxygen on the SrTiO 3 (001) surfaces: Predictions by means ofhybrid density functional calculations”S.Piskunov, E.A.Kotomin, Yu.F.Zhukovskii, E.Heifets, and D.E.Ellis, MRS Proc. (Fall MRS, Boston,MA, 2005) 894 (2006) p. LL08-05.• “First principles calculations of atomic and electronic structure of F-center in bulk and on the (001)surface of SrTiO 3 ”J.Carrasco, F.Illas, N.Lopez, E.A.Kotomin, Yu.F.Zhukovskii, R.A.Evarestov, Yu.A.Mastrikov,S.Piskunov, and J. Maier, Phys. Rev. B 73 (2006) p. 064106.• “Ab initio thermodynamics of Ba x Sr 1-x TiO 3 solid solutions”D.Fuks, S.Dorfman, S.Piskunov, and E.A.Kotomin, Phys. Rev. B 71 (2005) p. 014111.• “Hybrid DFT calculations of the atomic and electronic structure for ABO3 perovskite (001) surfaces”S.Piskunov, E.A.Kotomin, E.Heifets, J.Maier, R.I.Eglitis, G.Borstel, Surf. Sci. 575 (2005) pp. 75-88.LANGUAGE SKILLSRussian – native language; English and Latvian – speak fluently, read/write with proficiency;German – speak, read, and write with basic competence.