Annual Report 2012 - Latvijas Universitātes Cietvielu fizikas institūts

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Scientific Publications 1. A.Lusis, E.Pentjuss, G.Bajars, J.Gabrusenoks, R.Janeliukštis, J.Zandersons (2012) Study the effects of moisture content on the electrical properties of technical textiles by impedance spectroscopy. IOP Conf. Ser.: Mater. Sci. Eng. 38 012020 doi:10.1088/1757-899X/38/1/012020. 2. E.Pentjuss, A.Lusis, G.Bajars, J.Gabrusenoks, L.Jekabsone (2012) Electrochemical impedance and moisture content of glass fabric. IOP Conf. Ser.: Mater. Sci. Eng. 38 012021 doi:10.1088/1757-899X/38/1/012021. 3. G.Bajars, G.Kucinskis, J.Smits, J.Kleperis, A.Lusis (2012) Characterization of LiFePO 4 /C Composite Thin Films Using Electrochemical Impedance Spectroscopy. IOP Conf. Ser.: Mater. Sci. Eng. 38 012019 doi:10.1088/1757-899X/38/1/012019. 4. I.Liepina, G.Bajars, J.Gabrusenoks, L.Grinberga, J.Kleperis, A.Lusis (2012) Preparation and photoactivity of electrophoretic TiO 2 coating film. IOP Conf. Ser.: Mater. Sci. Eng. 38 012059 doi:10.1088/1757-899X/38/1/012059. 5. A.Sutka, M. Stingaciu, G. Mezinskis & A. Lusis: An alternative method to modify the sensitivity of p-type NiFe2O4 gas sensor.J Mater Sci (2012) 47:2856-2863. DOI 10.1007/s10853-011-6115-2 6. A Sutka, G Mezinskis, A Lusis: Electric and dielectric properties of nanostructured stoichiometric and excess-iron Ni–Zn ferrites, Phys. Scr. 87 (2013) 025601 (7pp) doi:10.1088/0031-8949/87/02/025601 7. A. Sutka, G. Mezinskis, A. Lusis, D. Jakovlevs: Influence of iron nonstoichiometry on spinel zinc ferrite gas sensing properties, Sensors and Actuators B 171– 172 (2012) 204– 209, doi:10.1016/j.snb.2012.03.012. 8. A.Sutka, G. Mezinskis, A. Lusis, M. Stingaciuc: Gas sensing properties of Zndoped p-type nickel ferrite, Sensors and Actuators B 171– 172 (2012) 354– 360, http://dx.doi.org/10.1016/j.snb.2012.04.059, 9. AAnspoks, A. Kalinko, R. Kalendarev, A. Kuzmin, Atomic structure relaxation in nanocrystalline NiO studied by EXAFS spectroscopy: Role of nickel vacancies, Phys. Rev. B 86 (2012) 174114:1-11. 10. Ch.Lenser, A. Kuzmin, J. Purans, A. Kalinko, R. Waser, R. Dittmann, Probing the oxygen vacancy distribution in resistive switching Fe-SrTiO 3 metal-insulator-metalstructures by micro-x ray absorption near-edge structure, J. Appl. Phys. 111 (2012) 076101:1-3. 11. J.Timoshenko, A. Kuzmin, J. Purans, Reverse Monte Carlo modelling of thermal disorder in crystalline materials from EXAFS spectra, Comp. Phys. Commun. 183 (2012) 1237-1245. 12. S. Stefanovsky, J. Purans, Cesium speciation in nuclear waste glasses, Phys. Chem. Glasses B 53 (2012) 186-190. 13. A.V.Sorokin, Y. F. Zhukovskii, J. Purans, E. A. Kotomin, The effect of Zn vacancies and Ga dopants on the electronic structure of ZnO: Ab initio simulations, IOP Conf. Series: Mater. Sci. Eng. 38 (2012) 012015:1-4. 14. Stunda-Zujeva A., Mironova-Ulmane N., Borodajenko N., Berzina-Cimdina L. Phase Transition in Niobophosphate Glass-Ceramics, Adv. Mat. Res. 222 (2011) 259-262. 15. A Volperts, N Mironova-Ulmane, I Sildos, D Vervikishko, E Shkolnikov, G Dobele. Structure of nanoporous carbon materials for supercapacitors. IOP Conf. Series: Mat. Sci. Eng. 38 (2012) 012051. 16. V. Skvortsova, N. Mironova-Ulmane. Optical Properties of Irradiated Yttrium Aluminum Garnet. IOP Conf. Series: Mat. Sci. Eng. 38 (2012) 012044. 138
17. T Dizhbite, J Ponomarenko, A Andersone, G Dobele, M Lauberts, J Krasilnikova, N. Mironova-Ulmane and G Telysheva. Role of paramagnetic polyconjugated clusters in lignin antioxidant activity (in vitro). IOP Conf.Series: Materials Science and Engineering 38 (2012) 012033. 18. J Jankovskis, N. Ponomarenko, N Mironova-Ulmane, D Jakovlevs. Dimensional effects of sample geometry and microstructure of MnZn and NiZn ferrites, IOP Conf. Series: Mat. Sci. Eng. 38 (2012) 012018. 19. K.Bormanis, A. Kalvane, A.I. Burkhanov, I.E. Tumanov, and N. Mironova- Ulmane. Dielectric properties of pmn+2%Li 2 O at low and infra-low frequencies. Phys. Status solidi C 9 (2012) 1583-1585. 20. V.Skvortsova, N. Mironova- Ulmane, L. Trinkler, D. Riekstina. Impurity Defects in Wide Gap Inorganic Materials. In book: “Advanced in Data Networks, Communications, Computers and Materials”. Editor V. M. Marques and A. Dmitriev, Published by WSEAS Press, Sliema (Malta), 2012, p.233 -238. Proceeding of the 5th WSEAS International Conference on Materials Science (MATERIALS '12), Sliema, Malta, 7-9 September 2012, p. 233-238. 21. M.Polakovs, N. Mironova-Ulmane, A. Pavlenko, E. Reinholds, M. Gavare, and MGrube, "EPR and FTIR Spectroscopies Study of Human Blood after Irradiation," Spectroscopy: An International Journal 27 (2012) 5 pages. 22. P. Lesnicenoks, A. Sivars, L. Grinberga, J. Kleperis. Hydrogen Adsorption in Zeolite Studied with Sievert and Thermogravimetric Methods. IOP Conf. Series: Materials Science and Engineering 38 (2012) 4 pages, doi:10.1088/1757- 899X/38/1/012060 (RTU ERAF). 23. V. Garaev, J. Kleperis, S. Pavlovica and G. Vaivars. Properties of the Nafion membrane impregnated with hydroxyl ammonium based ionic liquids. IOP Conf. Series: Materials Science and Engineering 38 (2012) 5 pages, doi:10.1088/1757- 899X/38/1/012064 24. Q. Naidoo, S. Naidoo, L. Petrik, A. Nechaev, P. Ndungu, G. Vaivars. Synthesis Tri-Metallic Platinum Group Metal Electrocatalysts Using Organometallic Chemical Vapour Deposition Technique for Methanol Oxidation/ /IOP Conference series: Materials Science and Engineering (IOP Conf Ser: Mater Sci Eng). 38 (2012) 4 pages, doi:10.1088/1757-899X/38/1/012031. 25. A. Sutka, A. Borisova, J. Kleperis, G. Mezinskis, D. Jakovlevs, I. Juhnevica. Effect of nickel addition on colour of nanometer spinel zinc ferrite pigments. Journal of the Australian Ceramic Society. 05/2012; 48(2):150 – 155. 26. M. Vanags, J. Kleperis and G. Bajars. Water Electrolysis with Inductive Voltage Pulses. Chapter 2 in Book: Electrolysis, Editors Janis Kleperis and Vladimir Linkov, InTech (2012), pp.19-44, doi.org/10.5772/52453. 27. L. Grinberga, A. Sivars, J. Kleperis. Hydrogen sorption of porous oxides. International Scientific Journal for Alternative Energy and Ecology ISJAEE, No 9 (113) 2012, pp.12-15. 28. P. Lesnicenoks, A. Berzina, L. Grinberga, J. Kleperis. Research of hydrogen storage possibility in natural zeolite. International Scientific Journal for Alternative Energy and Ecology ISJAEE, No 9 (113) 2012, pp.13-20. 29. M. Vanags, P. Aizpurietis, G. Bajars, J. Kleperis, J. Klavins. Water electrolysis with DC pulses and plasma discharge. International Scientific Journal for Alternative Energy and Ecology ISJAEE, No 9 (113) 2012, pp.21-27. 30. I. Dimanta, A. Gruduls, V. Nikolajeva, J. Kleperis, I. Muiznieks. Crude glycerol as a perspective substrate for bio-hydrogen production in Latvia. 139
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Institute of Solid State Physics Un
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CONTENTS Introduction 4 Department
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ORGANIZATIONAL STUCTURE OF THE ISSP
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The annual report summarizes the re
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The main source for international f
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lector at the Faculty of Physics an
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the samples having different phase
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LABORATORY OF MAGNETIC RESONANCE SP
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Scientific publications 1. U. Rogul
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Main investigations and results ALU
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Lectures on Conferences 28 th LU Sc
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Main Results LASER CRYSTALLIZATION
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CONTROLLED MANIPULATION AND MECHANI
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DEPARTMENT OF FERROELECTRICS Head o
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Belorussia 1. Institute of solid st
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Density and dielectric properties f
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CONCENTRATION AND THERMAL PHASE TRA
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Latvia; SSPA ”Scientific-Practica
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• Δ T εmax : Mn>Co>Fe>Cu~Ni •
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Li x Na 1-x Ta y Nb 1-y O 3 Solid S
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34. А.И. Бурханов, И.Е.
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16. Š. Svirskas, M. Ivanov, Š. Ba
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45. С.Н. Каллаев, А.Р.
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LABORATORY OF VISUAL PERCEPTION Hea
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in terms of colour coordinate dispe
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4. R.Truksa, S.Fomins, M.Ozolins, "
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Scientific visits abroad 1. Dr. hab
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experimental data. We focused on th
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GB1 with oxygen vacancy revealed th
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Fig. 4. The thermodynamic stability
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a supercell model was used, and the
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a) b) l [110] d [110] (001) Fig. 9.
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Drain CNT Source Drain GNR Source 5
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The oxygen incorporation energy for
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such as high thermal stability, ver
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STATISTICAL ANALYSIS AND CELLULAR A
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REGIONS OF AZIMUTHAL INSTABILITY IN
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25. A. Gopejenko, Yu.F. Zhukovskii,
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15. S. Piskunov and E. Spohr, "SrTi
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43. P. Merzlakov, G. Zvejnieks, V.N
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XII. Annual Monitory Meeting of Eur
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91. L. Shirmane, A.I. Popov, V. Pan
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115. A.I. Popov, J. Zimmermann, V.
Page 87 and 88: Estonia Institute of Physics, Tartu
Page 89 and 90: 5. Grigorjeva L., Jankoviča D., Sm
Page 91 and 92: LABORATORY OF AMORPHOUS MATERIALS S
Page 93 and 94: Main results ABSORPTION AND LUMINES
Page 95 and 96: LUMINESCENCE OF FUSED AND UNFUSED B
Page 97 and 98: enables sensitive and selective det
Page 99 and 100: LABORATORY OF OPTICAL RECORDING Hea
Page 101 and 102: HOLOGRAPHIC LITHOGRAPHY IN AMORPHOU
Page 103 and 104: 5. U.Gertners, J.Teteris, The impac
Page 105 and 106: 24. J.Aleksejeva, J.Teteris, A.Tokm
Page 107 and 108: Israel Technion, Haifa (Dr.S.Stolya
Page 109 and 110: 3. A. Rusakova, J. Maniks, K. Schwa
Page 111 and 112: • Investigation of energetic stru
Page 113 and 114: Scheme 2 Synthesis of indane-1,3-di
Page 115 and 116: The synthesized compounds ZWK-1, DW
Page 117 and 118: 7. A. Vembris, K. Pudzs, I. Muzikan
Page 119 and 120: 20. A. Vembris, K. Pudzs, I. Muzika
Page 121 and 122: • Ion transfer problems related t
Page 123 and 124: 13. SIA „EMU PRIM”, 14. JSC „
Page 125 and 126: Main results Laboratory of Solid St
Page 127 and 128: Flax and Hemp Fiber Functionalizati
Page 129 and 130: CHARACTERIZATION OF LiFePO4/C COMPO
Page 131 and 132: Fig.1. Upper panel: 4 × 4 ×4 supe
Page 133 and 134: Fig.1. Left panel: Schematic view o
Page 135 and 136: Titania with anatase structure is i
Page 137: RESEARCH OF CATHODE MATERIALS FOR L
Page 141 and 142: 6. J. Kleperis, B. Sloka, J. Dimant
Page 143 and 144: 33. P. Lesnicenoks, A. Sivars, L. G
Page 145 and 146: France 1. Institute Laue-Langevin,
Page 147 and 148: different neutron orbits (11/2[615]
Page 149 and 150: LABORATORY OF ELECTRONIC ENGINEERIN
Page 151 and 152: 2. For JSC Augstsprieguma tīkls an
Page 153 and 154: 4. By orders of several organizatio
Page 155: Partners: Fonons Ltd, Riga Technica
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Annual Report 2012 - Latvijas Universitātes Cietvielu fizikas institūts

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