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Stimulated emission and optical properties of pyranyliden fragment containing compounds in PVK matrix

2017

This work has been supported by National Research program “Multifunctional materials and composites, photonics and nanotechnology (IMIS2)”. Financial support provided by Scientific Research Project for Students and Young Researchers No. SJZ2015/12 realised at the Institute of Solid State Physics, University of Latvia is greatly acknowledged.

Amplified spontaneous emissionPhotoluminescenceMaterials scienceQuantum yieldElectron donor02 engineering and technologyPhotochemistry01 natural sciences010309 opticschemistry.chemical_compound0103 physical sciences:NATURAL SCIENCES:Physics [Research Subject Categories]Stimulated emissionElectrical and Electronic EngineeringAmplified spontaneous emissionGlass forming low molecular weight compoundsDCMLaser dyeDye laser021001 nanoscience & nanotechnologyThreshold energyAtomic and Molecular Physics and OpticsElectronic Optical and Magnetic MaterialschemistryPyranyliden derivatives0210 nano-technologyMethyl group
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Analytische Geometrie nach Prof. Dr. F. Schur

1892

Analytische Geometrie:MATHEMATICS::Algebra geometry and mathematical analysis::Algebra and geometry [Research Subject Categories]GeometrieĢeometrija analītiskāRokrakstu kolekcija
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Reversible Photodoping of TiO2 Nanoparticles for Photochromic Applications

2018

Financial support from the Estonian Research Council (IUT2-25, IUT2-26, and PUTJD680) is gratefully acknowledged. This work was supported by the Academy of Finland (decision numbers 141481 and 286713) and by the EU through the European Regional Development Fund (Center of Excellence for Zero Energy and Resource Efficient Smart Buildings and Districts-ZEBE, 2014-2020.4.01.15-0016). Work is supported by the Latvian Academy of Sciences in the framework of FLPP (Plasmonic oxide quantum dots for energy saving smart windows, lzp-2018/1-0187).

AnataseMaterials scienceGeneral Chemical EngineeringTio2 nanoparticlesPhysics::Optics02 engineering and technologyGeneral ChemistryCondensed Matter::Mesoscopic Systems and Quantum Hall Effect010402 general chemistry021001 nanoscience & nanotechnologyPhotochemistry01 natural sciences7. Clean energy0104 chemical sciencesCondensed Matter::Materials SciencePhotochromismQuantum dot:NATURAL SCIENCES:Physics [Research Subject Categories]Physics::Atomic and Molecular ClustersMaterials Chemistry0210 nano-technologyChemistry of Materials
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Black carbon-doped TiO2 films: Synthesis, characterization and photocatalysis

2019

This research is funded by the European Social Fund according to the activity ‘Improvement of researchers’ qualification by implementing world-class R&D projects’ of Measure No. 09.3.3-LMT- K-712, project „Investigation of the application of TiO2 and ZnO for the visible light assisted photocatalytical disinfection of the biologically contaminated water“ (09.3.3-LMT-K-712-01-0175). The authors express gratitude for the S. Tuckute, M. Urbonavicius, G. Laukaitis and K. Bockute for their valuable input in current work. © 2019. This work is licensed under a CC BY-NC-ND 4.0 license.

AnataseScanning electron microscopeGeneral Chemical EngineeringAnalytical chemistryGeneral Physics and AstronomyCarbon-doped TiO202 engineering and technology010402 general chemistry01 natural sciences7. Clean energyX-ray photoelectron spectroscopyBand gap:NATURAL SCIENCES:Physics [Research Subject Categories]PhotocatalysisVisible lightChemistryBlack TiO2General ChemistryCarbon blackSputter deposition021001 nanoscience & nanotechnology0104 chemical sciencesAmorphous solidCrystallite0210 nano-technologyMagnetron sputteringVisible spectrumJournal of Photochemistry and Photobiology A: Chemistry
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Study of phase composition, photocatalytic activity, and photoluminescence of TiO2 with Eu additive produced by the extraction-pyrolytic method

2021

The Institute of Solid State Physics, University of Latvia as the Center of Excellence has received funding from the H2020-WIDESPREAD-01-2016-2017-TeamingPhase2 under grant agreement No. 739508, project CAMART2. The work was also partially supported by the LZP grant 2020/2-0074. R. Burve has been supported by the project “Synthesis of nanostructured materials based on titanium dioxide and tin dioxide and investigation of their physicochemical properties” Nr. MP-2019/7, for strengthening scientific personnel capacity 2019/2020 at the Riga Technical University. Authors are grateful to Dr. K. Šmits for the microscopic measurements and SEM images.

AnataseThermogravimetric analysisPhotoluminescenceMaterials scienceEu3+Degradation of methylene blueNanocrystalline TiO202 engineering and technologyExtraction-pyrolytic method7. Clean energy01 natural sciencesBiomaterialschemistry.chemical_compoundDifferential scanning calorimetryPhase (matter)0103 physical sciencesPhotoluminescence010302 applied physicsMining engineering. MetallurgyMetals and AlloysTN1-997021001 nanoscience & nanotechnologyNanocrystalline materialSurfaces Coatings and FilmschemistryTitanium dioxideCeramics and CompositesPhotocatalysis:NATURAL SCIENCES [Research Subject Categories]0210 nano-technologyNuclear chemistryJournal of Materials Research and Technology
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Vēsture: Latvijas Universitātes Žurnāls, Nr.11/12

2021

Anatol Shmelev. In the Wake of Empire: Anti-Bolshevik Russia in International Affairs 1917–1920. Stanford California 2021. xiii + 572 p. ISBN 978-0-8179-2424-9 [Recenzija par grāmatu]Ingus Barovskis. Mythopoeia: mūsdienu mītrade. Rīga 2021. 277 lpp. ISBN 978-9934-18-678-3 [Recenzija par grāmatu]Krievijas Ziemeļrietumu armija (1919.–1920.)Ivars Ījabs. Sociāldemokrātija un valsts dibināšana: Latvija. Rīga 2018. 49 lp. ISBN 978-9934-19-670-6 [Recenzija par grāmatu]Spanish Civil War medical aidKārina Pētersone. Valstsvīrs Anatolijs Gorbunovs. Rīga 2020. 796 lpp. ISBN 978-9934-0-9244-2 [Recenzija]Emotions Florencejūrniecība latviešu trimdāUldis Bērziņš. Laikmets kad bija jāraud pat akmeņiem: dokumentu un atmiņu apkopojums. Limbaži 2021. 338 lpp. ISBN 978-9934-596-16-2 [Recenzija par grāmatu]:HUMANITIES and RELIGION::History and philosophy subjects::History subjects [Research Subject Categories]Latvijas akadēmiski izglītoto sieviešu apvienībaLatvijas Igaunijas un Lietuvas armijas virspavēlnieku un to pārstāvju apspriede Valkā 1920. gada 6. janvārīZigmārs Turčinskis. Ziemeļ latgales “Neatkarības vienība”. Pretošanās padomju okupācijai. 1946.–1954. gads. Rīga 2021. 574 lpp. ISBN 978-9934-15-909-1 [Recenzija par grāmatu]Rīgas Arodbiedrību centrālbiroja darbība [Sociālās apdrošināšana]Susan R. Grayzel Tammy M. Proctor (eds.). Gender and the Great War. New York 2017. 286 p. ISBN 978-0-1902-7108-4 [Recenzija par grāmatu]
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On the topography of Herbst's and Grandry's corpuscles in the adult and embryonic duck-bill

1932

Izvilkums no: Acta Zoologica, Bd. 12, 1931.

Anatomy topographicalPutnu anatomija un morfoloģijaAnatomija topogrāfiskāAnatomie topographisch:NATURAL SCIENCES::Biology::Organism biology::Morphology [Research Subject Categories]Vögel Anatomie und MorphologieZooloģija eksperimentālāDzīvnieku morfoloģijaBirds anatomy and morphologyTiermorphologie
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Zur Topographie der Herbst'schen und Grandry'schen Körperchen im adulten und embryonalen Entenschnabel [Herbsta un Grandry ķermenīšu topogrāfija piea…

1931

Teksts vācu valodā, kopsavilkums latviešu valodā.

Anatomy topographicalPutnu anatomija un morfoloģijaAnatomija topogrāfiskāAnatomie topographisch:NATURAL SCIENCES::Biology::Organism biology::Morphology [Research Subject Categories]Vögel Anatomie und MorphologieZooloģija eksperimentālāDzīvnieku morfoloģijaTiermorphologieBirds anatomy and morphology
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Akadēmiskā Dzīve, Nr. 50

2014

Andrievs EicheLauku kopienu dzīvotspējaNacionālā identitāteStudentu apvienības un biedrībasPrivātās un publiskās partnerības politikaPolitikas plānošanasZinātnes nozaru izvērtējumsLatvijas lauksaimniecība - vēstureKvantu skaitļošanaLatvijas ekoskolasAina Galēja-Dravniece:SOCIAL SCIENCES::Social sciences::Education [Research Subject Categories]LU 72. konferences Socioloģijas sekcijaLauku skolas - LatvijaKomunikatīvo funkciju diskursa analīze
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Praktiska ārsta ķirurģija: ārstiem un studentiem

1928

AnestēzijaAntiseptikaAseptikaĶirurģijaOperācijas ķirurģiskās:MEDICINE::Surgery [Research Subject Categories]
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