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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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Optical detection of paramagnetic centres in activated oxyfluoride glass-ceramics 

Rogulis, Uldis T.; Fedotovs, Andris; Antuzevics, Andris; Berzins, Dzintars; Zhydachevskyy, Yaroslav; Sugak, D. (Polish Academy of Sciences, 2018)
Electron paramagnetic resonance (EPR), magnetic circular dichroism (MCD) and EPR detected via MCD (MCD-EPR) investigations have been performed on rare-earth activated oxyfluoride glasses and glass-ceramics. Er3+, Gd3+, and ...
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Luminescence of phosphorus doped silica glass 

Trukhin, Anatoli N.; Antuzevics, Andris; Golant, Konstantin M.; Griscom, David L. (Elsevier B.V., 2017)
A fiber preform with P-doped silica core is studied by luminescence methods. P-doped silica was synthesized via the SPCVD method on a substrate tube made of pure silica glass F300. Two luminescence bands were detected under ...
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Photoluminescence and Electron Spin Resonance of ilicon Dioxide Crystal with Rutile Structure (Stishovite) 

Trukhin, Anatoly; Antuzevics, Andris (Wiley-VCH GmbH, 2018)
An electron spin resonance (ESR) and photoluminescence signal is observed in the as grown single crystal of stishovite indicating the presence of defects in the non‐irradiated sample. The photoluminescence of the as received ...
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EPR characterization of erbium in glasses and glass ceramics 

Antuzevics, Andris (AIP Publishing, 2020)
Electron paramagnetic resonance (EPR) is a well-established spectroscopic technique for electronic structure characterization of rare-earth ion impurities in crystalline and amorphous hosts. EPR spectra of erbium-doped ...
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Crystalline phase detection in glass ceramics by EPR spectroscopy 

Antuzevics, Andris; Rogulis, Uldis; Fedotovs, Andris; Popov, Anatoli I. (AIP Publishing, 2018)
The advances of EPR spectroscopy for the detection of activators as well as determining their local structure in the crystalline phase of glass ceramics is considered. The feasibility of d-element (Mn2+, Cu2+) and f-element ...
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Chapter 8: EPR in glass ceramics 

Antuzevics, Andris (Elsevier B.V., 2019)
The development of novel materials requires a profound understanding of the relationship between a material's performance and its structural properties. Electron paramagnetic resonance (EPR) is a well-established technique ...
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Upconversion luminescence in transparent oxyfluoride glass ceramics containing hexagonal NaErF4 

Krieke, Guna; Antuzevics, Andris; Springis, Maris; Rogulis, Uldis (Elsevier B.V., 2019)
Transparent oxyfluoride glass ceramics containing hexagonal NaErF4 nanocrystals were synthesized by a heat treatment of a precursor glass obtained by the melt quenching technique. Combined X-ray diffraction (XRD) and ...
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Multisite formation in gadolinium doped SrF2 nanoparticles 

Antuzevics, Andris; Kemere, Meldra; Krieke, Guna (Elsevier B.V., 2018)
Gadolinium doped SrF2 nanoparticles have been synthesized by the precipitation method and characterized by site-selective optical spectroscopy and electron paramagnetic resonance (EPR) spectroscopy methods at cryogenic ...
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Electron paramagnetic resonance and photoluminescence investigation of europium local structure in oxyfluoride glass ceramics containing SrF2 nanocrystals 

Antuzevics, Andris; Kemere, Meldra; Krieke, Guna; Ignatans, Reinis (Elsevier B.V., 2017)
Different compositions of europium doped aluminosilicate oxyfluoride glass ceramics prepared in air atmosphere have been studied by electron paramagnetic resonance (EPR) and optical spectroscopy methods. X-ray diffraction ...
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Antuzevics, Andris (17)
Rogulis, Uldis (6)Krieke, Guna (5)Fedotovs, Andris (3)Kareiva, Aivaras (3)Zarkov, Aleksej (3)Berzins, Dzintars (2)Kemere, Meldra (2)Lelis, Martynas (2)Medvids, Arturs (2)... View MoreSubjectNATURAL SCIENCES:Physics (16)Electron paramagnetic resonance (3)Oxyfluoride (3)Band gap (2)Black TiO2 (2)Carbon-doped TiO2 (2)Glass ceramics (2)glass ceramics (2)Magnetron sputtering (2)NaErF4 (2)... View MoreDate Issued2021 (1)2020 (4)2019 (6)2018 (4)2017 (2)

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