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Portable low-cost open-source wireless spectrophotometer for fast and reliable measurements 

Laganovska, Katrina; Zolotarjovs, Aleksejs; Vázquez, Mercedes; Mc Donnell, Kirsty; Liepins, Janis; Ben-Yoav, Hadar; Karitans, Varis; Smits, Krisjanis (Elsevier Ltd, 2020)
We demonstrate a low-cost standalone portable spectrophotometer for fast and reliable measurement execution. The data acquired can be both displayed via a dedicated smartphone application or a computer interface, allowing ...
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Luminescence of X-ray induced radiation defects in modified lithium orthosilicate pebbles with additions of titanium dioxide 

Cipa, Janis; Kizane, Gunta; Supe, Arnis; Zolotarjovs, Aleksejs; Zarins, Arturs; Baumane, Larisa (Lithuanian Academy of Sciences Publishers, 2017)
Modified lithium orthosilicate (Li4SiO4) pebbles with additions of titanium dioxide (TiO2) are designed as a possible tritium breeder ceramic for the helium cooled pebble bed (HCPB) test blanket module. Additions of TiO2 ...
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Doped zirconia phase and luminescence dependence on the nature of charge compensation 

Smits, Krisjanis; Olsteins, Dags; Zolotarjovs, Aleksejs; Laganovska, Katrina; Millers, Donats; Ignatans, Reinis; Grabis, Janis (Nature Publishing Group, 2017)
Zirconia is a relatively new material with many promising practical applications in medical imaging, biolabeling, sensors, and other fields. In this study we have investigated lanthanide and niobium doped zirconia by ...
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Recombination luminescence of X-ray induced paramagnetic defects in BaY2F8 

Antuzevics, Andris; Fedotovs, Andris; Berzins, Dzintars; Rogulis, Uldis; Auzins, Krisjanis; Zolotarjovs, Aleksejs; Baldochi, Sonia Licia (Elsevier B.V.Journal of Luminescence, 2020)
Recombination luminescence (RL) and RL-detected electron paramagnetic resonance (RL-EPR) in BaY2F8 single crystal has been investigated after irradiation with X-rays at low temperature. The recombination process, which ...
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Electronic processes in doped ZnO nanopowders 

Grigorjeva, Larisa; Zolotarjovs, Aleksejs; Bite, Ivita; Grube, Jurgis; Millers, Donats (Institute of Physics Publishing, 2019)
ZnO nanocrystals, undoped and doped with Iridium or Indium were prepared by solar irradiation in Heliotron reactor in PROMES CNRS facilities, France. The comparative analysis of the excitonic spectra of ZnO single crystal ...
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Thermostimulated luminescence of plasma electrolytic oxidation coatings on 6082 aluminium surface 

Zolotarjovs, Aleksejs; Smits, Krisjanis; Laganovska, Katrina; Bite, Ivita; Grigorjeva, Larisa; Auzins, Krisjanis; Millers, Donats; Skuja, Linards (Elsevier Ltd, 2019)
For decades, plasma electrolytic oxidation (PEO) coatings are actively studied and applied to protect the surface of various valve metals from chemical or mechanical damage. However, over the last couple of years intense ...
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Production of Phosphorescent Coatings on 6082 Aluminum Using Sr0.95Eu0.02Dy0.03Al2O4-δ Powder and Plasma Electrolytic Oxidation 

Auzins, Krisjanis; Zolotarjovs, Aleksejs; Bite, Ivita; Laganovska, Katrina; Vitola, Virginija; Smits, Krisjanis; Millers, Donats (MDPI AG, 2019)
In this study, a new approach for producing phosphorescent aluminum coatings was studied. Using the plasma electrolytic oxidation (PEO) process, a porous oxide coating was produced on the Al6082 aluminum alloy substrate. ...
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Novel method of phosphorescent strontium aluminate coating preparation on aluminum 

Bite, Ivita; Krieke, Guna; Zolotarjovs, Aleksejs; Laganovska, Katrina; Liepina, Virginija; Smits, Krisjanis; Auzins, Krisjanis; Grigorjeva, Larisa; Millers, Donats; Skuja, Linards (Elsevier Ltd, 2018)
This study presents a novel approach to produce phosphorescent coatings on metal surfaces. Strontium aluminates are the most popular modern phosphorescent materials exhibiting long afterglow at room temperature and a broad ...
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The search for defects in undoped SrAl2O4 material 

Vitola, Virginija; Millers, Donats; Smits, Krisjanis; Bite, Ivita; Zolotarjovs, Aleksejs (Elsevier B.V., 2019)
SrAl2O4:Eu,Dy is a very efficient long afterglow phosphor with wide range of possible applications. The luminescence properties and the possible luminescence mechanism of this material have been studied extensively, but ...
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X-ray excited luminescence of SrAl2O4:Eu,Dy at low temperatures 

Liepina, Virginija; Millers, Donats; Smits, Krisjanis; Zolotarjovs, Aleksejs; Bite, Ivita (Elsevier B.V., 2018)
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Zolotarjovs, Aleksejs (36)
Smits, Krisjanis (15)Laganovska, Katrina (12)Bite, Ivita (11)Grigorjeva, Larisa (10)Millers, Donats (9)Auzins, Krisjanis (4)Einbergs, Ernests (4)Vitola, Virginija (4)Butanovs, Edgars (3)... View MoreSubjectNATURAL SCIENCES:Physics (28)NATURAL SCIENCES (6)Luminescence (4)Absorption (2)Alumina (2)CdS (2)Ce3+ (2)cooling conditions (2)Dosimetry (2)Long afterglow (2)... View MoreDate Issued2024 (2)2023 (3)2022 (3)2021 (3)2020 (4)2019 (7)2018 (8)2017 (6)

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