Annual Report 2012 - Latvijas Universitātes Cietvielu fizikas institūts

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J.Rikveilis, L.Grigorjeva, D.Millers, K.Smits. Photocatalytic efficiency studies of TiO 2 nanopowdes. Thesis, p. 69. 10 th International Symposium on Ceramic Materials and Components for Energy and Environmental Applications. Dresden, Germany, May, 20-23, 2012. L.Grigorjeva, D.Millers, K.Smits, S.Zazubovich. Fast luminescence of YAG ceramics and single crystals. Program and Abstract book, P.122. 8th International Conference on Luminescence detectors and Transformers of Ionizing Radiation, (LUMDETR2012), Halle (Saale), Germany, 10-14 Sept., 2012 1. L.Grigorjeva, D.Millers, A.Sarakovskis, J.Grube, K.Smits. Excitonic luminescence of ZnO ceramics. Book of Abstracts, P-Tue-21. 2012 International Conference on defects in insulating materiāls (ICDIM, 2012) Santa Fe, New Mexico, 24-29 June, 2012. K.Smits, Defect luminescence in zirconia nanocrystals. Proceedings, p.60. Bachelor Thesis V.Liepina. The luminescence properties of rare earth doped aluminate and silicate phosphors. 90
LABORATORY OF AMORPHOUS MATERIALS SPECTROSCOPY Head of laboratory Dr.habil.phys. L.Skuja Research area The optical and electronic properties of advanced wide-band gap materials for applications in optical elements for high power laser optics, optical fibers, for deepultraviolet and vacuum-ultraviolet spectral ranges, for radiation environments and for nanoscience. Experimental methods and equipment The research is performed mainly by spectroscopic methods, including optical absorption and luminescence spectroscopy, magnetic resonance spectroscopy (electron paramagnetic resonance), infrared absorption and Raman scattering, energy-dispersive X-ray microanalysis, thermal desorption mass-spectrometry. Several of these experimental techniques are available by collaboration with other laboratories of ISSP or with our research partners in other institutions in Latvia or abroad. The equipment, available directly in the laboratory is listed here below: Optical absorption spectroscopy. Absorption measurements in the NIR-VIS-UV range by double monochromator (AMKO-LTI) or CCD-based spectrometers (Andor/Shamrock 303-i) and Hamamatsu TM-UV/VIS C10082CAH portable spectrograph. Configurations for NIR-VIS-UV measurements of attenuation in optical fibers are available (using OceanOptics DH-2000-S-TTL D 2 -halogen light source). Luminescence spectroscopy. Luminescence excitation by the following sources is available : YAG:Nd laser (266 nm, 532 nm), nitrogen laser (337 nm), excimer lasers (248, 193 and 157 nm), deuterium and xenon lamps. Luminescence detection is performed using photomultipliers/monochromators and cooled CCD camera coupled with spectrograph. Time-resolved luminescence is detected by digital oscilloscopes, multichannel photon counters or time-correlated single-photon counting. Vacuum ultraviolet spectroscopy: McPherson 234/302 200 mm monochromator with D 2 lamp with MgF 2 -window serving as light source (120-250 nm) is used in configurations for optical absorption and photoluminescence excitation measurements. 91
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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 •
Page 39 and 40: Li x Na 1-x Ta y Nb 1-y O 3 Solid S
Page 41 and 42: 34. А.И. Бурханов, И.Е.
Page 43 and 44: 16. Š. Svirskas, M. Ivanov, Š. Ba
Page 45 and 46: 45. С.Н. Каллаев, А.Р.
Page 47 and 48: LABORATORY OF VISUAL PERCEPTION Hea
Page 49 and 50: in terms of colour coordinate dispe
Page 51 and 52: 4. R.Truksa, S.Fomins, M.Ozolins, "
Page 53 and 54: Scientific visits abroad 1. Dr. hab
Page 55 and 56: experimental data. We focused on th
Page 57 and 58: GB1 with oxygen vacancy revealed th
Page 59 and 60: Fig. 4. The thermodynamic stability
Page 61 and 62: a supercell model was used, and the
Page 63 and 64: a) b) l [110] d [110] (001) Fig. 9.
Page 65 and 66: Drain CNT Source Drain GNR Source 5
Page 67 and 68: The oxygen incorporation energy for
Page 69 and 70: such as high thermal stability, ver
Page 71 and 72: STATISTICAL ANALYSIS AND CELLULAR A
Page 73 and 74: REGIONS OF AZIMUTHAL INSTABILITY IN
Page 75 and 76: 25. A. Gopejenko, Yu.F. Zhukovskii,
Page 77 and 78: 15. S. Piskunov and E. Spohr, "SrTi
Page 79 and 80: 43. P. Merzlakov, G. Zvejnieks, V.N
Page 81 and 82: XII. Annual Monitory Meeting of Eur
Page 83 and 84: 91. L. Shirmane, A.I. Popov, V. Pan
Page 85 and 86: 115. A.I. Popov, J. Zimmermann, V.
Page 87 and 88: Estonia Institute of Physics, Tartu
Page 89: 5. Grigorjeva L., Jankoviča D., Sm
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 and 138: RESEARCH OF CATHODE MATERIALS FOR L
Page 139 and 140: 17. T Dizhbite, J Ponomarenko, A An
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6. J. Kleperis, B. Sloka, J. Dimant
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33. P. Lesnicenoks, A. Sivars, L. G
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France 1. Institute Laue-Langevin,
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different neutron orbits (11/2[615]
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LABORATORY OF ELECTRONIC ENGINEERIN
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2. For JSC Augstsprieguma tīkls an
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4. By orders of several organizatio
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Partners: Fonons Ltd, Riga Technica
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Annual Report 2012 - Latvijas Universitātes Cietvielu fizikas institūts

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