[HTML][HTML] Spectroscopic Properties of TmF3-Doped CaF2 Crystals

C Schornig, M Stef, G Buse, M Poienar, P Veber… - Materials, 2024 - mdpi.com
In this study, we report the growth and comprehensive spectroscopic analysis of TmF3-
doped CaF2 crystals, grown using the vertical Bridgman method. The optical absorption and …

Growth and characterization of ErF3 doped BaF2 crystals

I Nicoara, M Stef, G Buse, A Racu - Journal of Crystal Growth, 2020 - Elsevier
ErF 3 doped BaF 2 crystals were obtained using the vertical Bridgman technique. Five
crystals, with 0.05, 0.08, 0.1, 0.2 and 0.5 mol% ErF 3 added to the starting material, have …

Tailoring structure, morphology and up-conversion properties of CaF2:Yb3+,Er3+ nanoparticles by the route of synthesis

D Przybylska, T Grzyb - Journal of Materials Science, 2020 - Springer
Control of morphology and spectroscopic properties during the synthesis of up-converting
nanoparticles (NPs) is a great challenge. One of the most popular ways of NPs synthesis is …

Phase diagram of the NaF–CaF2 system and the electrical conductivity of a CaF2-based solid solution

PP Fedorov, MN Mayakova, SV Kuznetsov… - Russian Journal of …, 2016 - Springer
The phase diagram of the NaF–CaF 2 system was studied by thermal analysis and X-ray
powder diffraction analysis with the determination of the chemical composition. The system …

Liquid Phase Epitaxy growth of Tm3+-doped CaF2 thin-films based on LiF solvent

G Brasse, P Loiko, C Grygiel, P Leprince… - Journal of Alloys and …, 2019 - Elsevier
Abstract Single-crystalline Tm 3+-doped calcium fluoride (Tm 3+: CaF 2) films were grown
onto (100) oriented undoped bulk CaF 2 substrates by Liquid Phase Epitaxy method using …

Effect of Yb3+ ions on structural and NIR emission of SrF2: Eu2+/Pr3+ down-conversion containing Na+ ions

MYA Yagoub, HC Swart, E Coetsee - Materials Research Bulletin, 2017 - Elsevier
The influence of Yb 3+ ions on the structural and near infra-red (NIR) emission of the SrF 2:
Eu 2+/Pr 3+ down-conversion containing Na+ ions were investigated for solar cell …

Near infrared quantum cutting of Na+ and Eu2+-Yb3+ couple activated SrF2 crystal

MYA Yagoub, HC Swart, MS Dhlamini, E Coetsee - Optical Materials, 2016 - Elsevier
Abstract Na+ and Eu 2+-Yb 3+ couple activated SrF 2 phosphor powders were synthesized
by the co-precipitation method. The structure and luminescence properties of the system …

Laser excitation of the Th-229 nucleus

J Tiedau, MV Okhapkin, K Zhang, J Thielking… - Physical Review Letters, 2024 - APS
The 8.4 eV nuclear isomer state in Th-229 is resonantly excited in Th-doped CaF 2 crystals
using a tabletop tunable laser system. A resonance fluorescence signal is observed in two …

Charge compensating defects study of YbF‐doped BaF crystals using dielectric loss

I Nicoara, M Stef - physica status solidi (b), 2016 - Wiley Online Library
YbF‐doped BaF crystals with various concentrations of YbF (0.05, 0.1, 0.17, 0.2 mol) have
been grown using the conventional Bridgman method. Dielectric relaxation is used to study …

The morphology and downshifting luminescence of [CaY] F2 crystals doped with Ce3+/Eu3+/2+/Na+

MYA Yagoub, HC Swart, E Coetsee - Ceramics International, 2022 - Elsevier
The crystal structure, morphology and luminescent properties of the [CaY] F 2: Eu 3+
material were investigated. The structural characterization confirmed that the material …