Inovatīvi materiāli caurspīdīgai elektronikai un fotonikai

1. Metāliskie nanovadi

Publikācijas:


• S. Vlassov, B. Polyakov, L.M. Dorogin, M. Antsov, M. Mets, M. Umalas, R. Saar, R. Lohmus, I. Kink,
  "Elasticity and yield strength of pentagonal silver nanowires: In situ bending tests",
  Materials Chemistry and Physics 143 (2014) 1026-1031.
  (IF=2.129, nozares (95. MATERIALS SCIENCE, MULTIDISCIPLINARY) vidējais IF=1.145067)
  
  
• B. Polyakov, S. Vlassov, L.M. Dorogin, J. Butikova, M. Antsov, S. Oras, R. Lohmus, I. Kink,
  "Manipulation of nanoparticles of different shapes inside a scanning electron microscope",
  Beilstein Journal of Nanotechnology 5 (2014) 133-140.
  (IF=2.326, nozares (117. NANOSCIENCE & NANOTECHNOLOGY) vidējais IF=1.841402)
  
  
• B. Polyakov, S. Vlassov, L.M. Dorogin, N. Novoselska, J. Butikova, M. Antsov, S. Oras, R. Lohmus, I. Kink,
  "Some aspects of formation and tribological properties of silver nanodumbbells",
  Nanoscale Research Letters 9 (2014) 186 (8 pp).
  (IF=2.481, nozares (117. NANOSCIENCE & NANOTECHNOLOGY) vidējais IF=1.841402)
  
  
• S. Vlassov, B. Polyakov, L.M. Dorogin, M. Vahtrus, M. Mets, M. Antsov, R. Saar, A. E. Romanov, A. Lohmus, R. Lohmus,
  "Shape restoration effect in Ag-SiO₂ core-shell nanowires",
  Nano Letters 14 (2014) 5201-5205.
  (IF=12.940, nozares (117. NANOSCIENCE & NANOTECHNOLOGY) vidējais IF=1.841402)
  
  
• R. Zabels, B. Polyakov, A. Kuzmin, S. Vlassov, J. Butikova,
  "Laser and LED radiation induced changes in individual Ag nanowires and Ag nanowire meshes",
  in Radiation Interaction with Materials and Its Use in Technologies (2014) 97-100 (ISSN: 1822-508X).
  
  
• B. Polyakov, R. Zabels, A. Sarakovskis, S. Vlassov, A. Kuzmin,
  "Plasmonic photoluminescence enhancement by silver nanowires",
  Physica Scripta 00 (2015) 000000 (4pp).
  (IF=1.126, nozares (143. PHYSICS, MULTIDISCIPLINARY) vidējais IF=1.231152)
  
  
• B. Polyakov, S. Vlassov, L. Dorogin, J. Butikova, K. Smits, M. Antsov, S. Oras, R. Zabels, R. Lohmus,
  "Metal nanodumbbells for nanomanipulations and tribological experiments",
  Physica Scripta 00 (2015) 000000 (7pp).
  (IF=1.126, nozares (143. PHYSICS, MULTIDISCIPLINARY) vidējais IF=1.231152)
  
  

Tēzes:


• B. Polyakov, S. Vlassov, L. Dorogin, N. Novoselska, J. Butikova, M. Antsov, S. Oras, R. Zabels, I. Kink, R. Lohmus,
  "Some aspects of formation and tribological properties of silver nanodumbbells".
  Stenda referāts zinātniskajā konferencē: 1st European Workshop on Understanding and Controlling Nano and Mesoscale Friction, Can Picafort, Majorca (Spain), 26-29.05.2014.
  
  
• R. Zabels, B. Polyakov, A. Kuzmin, S. Vlassov, J. Butikova,
  "Laser and led radiation induced changes in individual Ag nanowires and Ag nanowire meshes".
  Stenda referāts zinātniskajā konferencē: 5th International Conference Radiation Interaction with Materials: Fundamentals and Applications, Kaunas, Lithuania, 12-15.05.2014.
  
  
• B. Polyakov, R. Zabels, A. Sarakovskis, S. Vlassov, A. Kuzmin,
  "Silver and gold nanodumbbells for tribological experiments".
  Mutiskais referāts zinātniskajā konferencē: RCBJSF-2014-FMNT, Riga, Latvia, 29.09-02.10.2014.
  
  
• B. Polyakov, R. Zabels, A. Sarakovskis, S. Vlassov, A. Kuzmin,
  "Plasmonic photoluminescence enhancement by silver nanowires".
  Stenda referāts zinātniskajā konferencē: RCBJSF-2014-FMNT, Riga, Latvia, 29.09-02.10.2014.
  
  
• J. Butikova, B. Polyakov, S. Vlassov, R. Lõhmus,
  "Conditioning of Metal Nanowires in Liquids by Laser Processing".
  Stenda referāts zinātniskajā konferencē: EuroNanoForum 2015, Riga, Latvia, 10.06-12.06.2015.
  
  
• B. Polyakov, S. Vlassov, L. Dorogin, J. Butikova, M. Antsov, R. Zabels, R. Lõhmus,
  "Synthesis and Processing of Metal Nanowires".
  Stenda referāts zinātniskajā konferencē: EuroNanoForum 2015, Riga, Latvia, 10.06-12.06.2015.
  
  
• S. Vlassov, B. Polyakov, L. M. Dorogin, M. Vahtrus, M. Mets, M. Antsov, R. Lõhmus,
  "Electron beam promoted shape restoration effect in Ag-SiO₂ core-shell nanowires”.
  Stenda referāts zinātniskajā konferencē: 12th International Conference on Materials Chemistry (MC12), York, UK, 20.07-23.07.2015.
  
  

2. Caurspīdīgie pusvadītāji un bezsvina segnetoelektriķi

Publikācijas:


• J. Timoshenko, A. Anspoks, A. Kalinko, A. Kuzmin,
  "Temperature dependence of the local structure and lattice dynamics of wurtzite-type ZnO",
  Acta Materialia 79 (2014) 194-202.
  (IF=3.940, nozares (95. MATERIALS SCIENCE, MULTIDISCIPLINARY) vidējais IF=1.145067)
  
  
• M. Dunce, E. Birks, J. Peräntie, J. Hagberg, M. Antonova, A. Sternbergs,
  "Phase Transitions and Electrocaloric Effect in Ca-Modified Na_1/2Bi_1/2TiO₃–SrTiO₃–PbTiO₃ Solid Solutions",
  IEEE Transactions on Ultrasonics Ferroelectrics and Frequency Control 61 (2014) 1364-1367.
  (IF=1.503, nozares (55. ENGINEERING, ELECTRICAL & ELECTRONIC) vidējais IF=0.661476)
  
  
• I. Jonane, J. Timoshenko, A. Kuzmin,
  "EXAFS study of the local structure of crystalline and nanocrystalline Y₂O₃ using evolutionary algorithm method",
  IOP Conf. Ser.: Mater. Sci. Eng. 77 (2015) 012030:1-5.
  (IF=0.0, nozares (117. NANOSCIENCE & NANOTECHNOLOGY) vidējais IF=1.841402)
  
  
• K. Lazdins, A. Kuzmin,
  "Local structure and lattice dynamics of cubic Y₂O₃: an x-ray absorption spectroscopy study",
  IOP Conf. Ser.: Mater. Sci. Eng. 77 (2015) 012031:1-5.
  (IF=0.0, nozares (117. NANOSCIENCE & NANOTECHNOLOGY) vidējais IF=1.841402)
  
  
• R. Zabels, I. Manika, K. Schwartz, J. Maniks, R. Grants, M. Sorokin, M. Zdorovets,
  "Depth profiles of indentation hardness and dislocation mobility in MgO single crystals irradiated with swift ⁸⁴Kr and ¹⁴N ions",
  Applied Physics A 120 (2015) 167-173.
  (IF=1.704, nozares (138. PHYSICS, APPLIED) vidējais IF=1.268298
  
  
• A. Kuzmin, M. Zubkins, R. Kalendarev,
  "Preparation and characterization of tin tungstate thin films",
  Ferroelectrics (2015), doi:10.1080/00150193.2015.1059682.
  (IF=0.469, nozares (140. PHYSICS, CONDENSED MATTER) vidējais IF=1.81561)
  
  
• A. Kuzmin, A. Anspoks, A. Kalinko, J. Timoshenko, R. Kalendarev, L. Nataf, F. Baudelet, T. Irifune,
  "High-pressure x-ray absorption spectroscopy study of tin tungstates",
  Physica Scripta 00 (2015) 000000 (5pp).
  (IF=1.126, nozares (143. PHYSICS, MULTIDISCIPLINARY) vidējais IF=1.231152)
  
  

Tēzes:


• A. Kuzmin, "X-ray absorption spectroscopy: probing local structure and beyond".
  Mutiskais referāts zinātniskajā konferencē: COST CM 1104 "Reducible Oxides" WG4 meeting, 10-11.04.2014, Riga, Latvia.
  
  
• A. Kuzmin, A. Anspoks, A. Kalinko, J. Timoshenko, R. Kalendarev, "Understanding of atomic and electronic structure of SnWO₄".
  Mutiskais referāts zinātniskajā konferencē: EMRS-2014 Spring Meeting, 26-30.05.2014, Lille, France.
  
  
• M. Dunce, E. Birks, M. Antonova, A. Sternberg,
  "Dielectric and electromechanical properties in NBT-BT solid solutions with Na and K niobates".
  Stenda referāts zinātniskajā konferencē: Electroceramics XIV, 16.-20.06.2014.
  
  
• M. Dunce, E. Birks, A. Kuzmin, R. Ignatans, A. Plaude, M. Antonova, A. Sternberg,
  "X-ray diffraction and Raman spectroscopy studies in Na_1/2Bi_1/2TiO₃-SrTiO₃-PbTiO₃ solid solutions".
  Stenda referāts zinātniskajā konferencē: ECAPD-2014, 07.-11.07.2014.
  
  
• M. Dunce, E. Birks, J. Peräntie, J. Hagberg, M. Antonova, A. Sternberg,
  "Interpretation of the Electrocaloric Effect in NBT-ST-PT Solid Solutions".
  Stenda referāts zinātniskajā konferencē: RCBJSF-2014-FMNT, Riga, Latvia, 29.09-02.10.2014.
  
  
• A. Kuzmin, A. Anspoks, A. Kalinko, J. Timoshenko, R. Kalendarev, L. Nataf, F. Baudelet,
  "High-pressure X-ray Absorption Spectroscopy Study of Tin Tungstates".
  Mutiskais referāts zinātniskajā konferencē: RCBJSF-2014-FMNT, Riga, Latvia, 29.09-02.10.2014.
  
  
• A. Kuzmin, M. Zubkins, R. Kalendarev,
  "Preparation and characterization of tin tungstate thin films".
  Stenda referāts zinātniskajā konferencē: RCBJSF-2014-FMNT, Riga, Latvia, 29.09-02.10.2014.
  
  
• K. Lazdins, A. Kuzmin,
  "Local Structure and Lattice Dynamics of Cubic Y₂O₃: an X-ray Absorption Spectroscopy Study".
  Stenda referāts zinātniskajā konferencē: RCBJSF-2014-FMNT, Riga, Latvia, 29.09-02.10.2014.
  
  
• I. Jonane, J. Timoshenko, A. Kuzmin,
  "EXAFS Study of the Local Structure of Crystalline and Nanocrystalline Y₂O₃ Using Evolutionary Algorithm Method".
  Stenda referāts zinātniskajā konferencē: RCBJSF-2014-FMNT, Riga, Latvia, 29.09-02.10.2014.
  
  
• M. Dunce, E. Birks, A. Sarakovskis, M. Antonova, A. Sternberg,
  "Photoluminescence in Er³⁺-doped 0.4Na_0.5Bi_0.5TiO₃-(0.6-x)SrTiO_3-xPbTiO₃ solid solutions".
  Mutiskais referāts zinātniskajā konferencē: 11th International Young Scientist conference “Developments in Optics and Communications”, 08.04.-10.04.15, Riga, Latvia.
  
  
• A. Kuzmin, A. Anspoks, A. Kalinko, J. Timoshenko, L. Nataf, F. Baudelet, T. Irifune,
  "X-ray absorption spectroscopy study of high­pressure phase transition in Cu₃N". Mutiskais referāts zinātniskajā konferencē: E-MRS 2015 Spring Meeting, May 11-15, Lille, France.
  
  
• R. Zabels, I. Manika, K. Schwartz, J. Maniks, R. Grants, E. Tamanis,
  "Formation of dislocations along tracks of swift heavy ions in LiF crystals".
  Stenda referāts zinātniskajā konferencē: 9th International Symposium on Swift Heavy Ions in Matter, 18.05.-21.05.15, Darmstadt, Germany.
  
  

3. Teorētiskā modelēšana no pirmajiem principiem

Publikācijas:


• A. Kuzmin, J. Chaboy,
  "EXAFS and XANES analysis of oxides at the nanoscale",
  IUCrJ 1 (2014) 571-589.
  
  
• A.U. Abuova, Yu.A. Mastrikov, E.A. Kotomin, Y. Kawazoe, T.M. Inerbaeva, A.T. Akilbekov,
  "First principles modeling of Ag adsorption on the LaMnO₃ (001) surfaces",
  Solid State Ionics 273 (2015) 46-50.
  (IF=2.112, nozares (140. PHYSICS, CONDENSED MATTER) vidējais IF=1.81561)
  
  
• G.A. Kaptagay, T.M. Inerbaev, Yu.A. Mastrikov, E.A. Kotomin, A.T. Akilbekov,
  "Water interaction with perfect and fluorine-doped Co₃O₄ (100) surface",
  Solid State Ionics 277 (2015) 77-82.
  (IF=2.112, nozares (140. PHYSICS, CONDENSED MATTER) vidējais IF=1.81561)
  
  
• A. Kuzmin, A. Anspoks, A. Kalinko, J. Timoshenko, R. Kalendarev,
  "External pressure and composition effects on the atomic and electronic structure of SnWO₄",
  Solar Energy Materials and Solar Cells (2015), doi:10.1016/j.solmat.2014.12.003.
  (IF=5.030, nozares (138. PHYSICS, APPLIED) vidējais IF=1.268298)
  
  

Tēzes:


• Yu. A. Mastrikov, E. A. Kotomin,
  ”First-principles modelling of processes in complex perovskites for solid oxide fuel cells”.
  Stenda referāts zinātniskajā konferencē: "Reducible oxide chemistry, structure and functions" CM1104 General Meeting, 05-09.11.2013, Uppsala, Sweden.
  
  
• Yu. A. Mastrikov, E. A. Kotomin, R. Merkle, M. M. Kuklja, J. Maier,
  ”First principles calculations of formation and migration of oxygen vacancies in the bulk and at the surface of complex perovskites for solid oxide fuel cell cathodes”.
  Stenda referāts zinātniskajā konferencē: EMRS-2014 Spring Meeting, 26-30.05.2014, Lille, France.
  
  
• Yu. A. Mastrikov, S. Guo, F. Puleo, L. F. Liotta, E. A. Kotomin,
  ”DFT calculations on formation and migration of oxygen vacancies in La_0.5Sr_0.5Co_0.75Fe_0.125M_0.125O_3-δ (M=Pd, Ni) perovskites”.
  Mutiskais referāts zinātniskajā konferencē: COST CM 1104 "Reducible Oxides" General 3rd meeting, 12-14.11.2014, Barcelona, Spain.
  
  
• A. Kuzmin,
  ”The use of x-ray absorption spectra for validation of classical force-field models”.
  Stenda referāts zinātniskajā konferencē: "Element Specific Structure Determination in Materials on Nanometer and Sub-Nanometer Scales using modern X-Ray and Neutron Techniques", 26.04.-30.04.2015, Bad Honnef, Germany.
  
  
• Yu. A. Mastrikov, E. A. Kotomin, R. Merkle, M. M. Kuklja, J. Maier,
  "Ab initio modelling of oxygen vacancies formation and migration in the bulk and on the surface of complex perovskites for solid oxide fuel cell cathodes". Stenda referāts zinātniskajā konferencē: E-MRS 2015 Spring Meeting, May 11-15, Lille, Francija.
  
  
• A. Kuzmin,
  ”First-principles study of the effect of uniaxial pressure on α-SnWO₄”.
  Stenda referāts zinātniskajā konferencē: "EuroNanoForum-2015", 10.06.-12.06.15, Riga, Latvia.
  
  

Tehnoloģijas apraksts

A. Kuzmins, "Starpatomu potenciālu parametru iegūšanas tehnoloģija no rentgenabsorbcijas spektriem" (LU CFI).