Vojtěch Vaněček
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View article: GSAG:Ce scintillator: insights from yttrium admixture
GSAG:Ce scintillator: insights from yttrium admixture Open
Research on yttrium-admixed GSAG:Ce scintillators reveals that the stoichiometric composition enhances the light yield and reduces thermal quenching. It paves the way towards advanced cost-effective alternatives to GGAG:Ce scintillators.
View article: Bridgman method grown Cs <sub>2</sub> Li <sub>3</sub> I <sub>5</sub> : an inter-alkali metal scintillator with high lithium content
Bridgman method grown Cs <sub>2</sub> Li <sub>3</sub> I <sub>5</sub> : an inter-alkali metal scintillator with high lithium content Open
Cs 2 Li 3 I 5 : the first Bridgman method grown, lithium-rich crystal with high Z eff for efficient neutron and gamma radiation detection.
View article: Li$_2$MnCl$_4$ single crystal: new candidate for red-emitting neutron scintillator
Li$_2$MnCl$_4$ single crystal: new candidate for red-emitting neutron scintillator Open
Novel red-emitting scintillator Li$_2$MnCl$_4$ is proposed as a candidate for thermal neutron detection. It features high Li content, low density, low effective atomic number, and emission in red-NIR region. These characteristics make it a…
View article: Li2MnCl4 single crystal: new candidate for red-emitting neutron scintillator
Li2MnCl4 single crystal: new candidate for red-emitting neutron scintillator Open
Novel red-emitting scintillator Li2MnCl4 is proposed as a candidate for thermal neutron detection. It features high Li content, low density, low effective atomic number, and emission in red-NIR region. These characteristics make it an inte…
View article: Growth and Spectroscopic Properties of Pr<sup>3+</sup> Doped Lu<sub>2</sub>S<sub>3</sub> Single Crystals
Growth and Spectroscopic Properties of Pr<sup>3+</sup> Doped Lu<sub>2</sub>S<sub>3</sub> Single Crystals Open
For the first time Lu$_2$S$_3$ (undoped and Pr-doped) single crystals were\nsuccessfully grown from melt using micro-pulling-down (mPD) technique.\nCustomization of halide mPD apparatus allowed us to grow rod-shaped (\\O 2 mm\nand length a…
View article: Advances in Ce3+ doped Y1±xAlO3 (x≠0) single crystal perovskite scintillators through nonstoichiometric engineering
Advances in Ce3+ doped Y1±xAlO3 (x≠0) single crystal perovskite scintillators through nonstoichiometric engineering Open
The influence of nonstoichiometric engineering on the scintillation properties of Ce3+ doped yttrium aluminum perovskite (YAP:Ce) crystals was investigated. Crystals with slight yttrium excess (Y1·004AlO3:Ce), yttrium deficiency (Y0·994AlO…
View article: Li <sub>2</sub> MnCl <sub>4</sub> single crystal: a new candidate for a red-emitting neutron scintillator
Li <sub>2</sub> MnCl <sub>4</sub> single crystal: a new candidate for a red-emitting neutron scintillator Open
Li 2 MnCl 4 : combining light elements to create a novel red-emitting scintillator for neutron detection.
View article: Correction: Li<sub>2</sub>MnCl<sub>4</sub> single crystal: a new candidate for a red-emitting neutron scintillator
Correction: Li<sub>2</sub>MnCl<sub>4</sub> single crystal: a new candidate for a red-emitting neutron scintillator Open
Correction for ‘Li 2 MnCl 4 single crystal: a new candidate for a red-emitting neutron scintillator’ by Vojtěch Vaněček et al. , Mater. Adv. , 2024, https://doi.org/10.1039/d4ma00697f.
View article: Advanced Halide Scintillators: From the Bulk to Nano
Advanced Halide Scintillators: From the Bulk to Nano Open
Halide scintillators have been playing a crucial role in the detection of ionizing radiation since the discovery of scintillation in NaI:Tl in 1948. The discovery of NaI:Tl motivated the research and development (R&D) of halide scintillato…
View article: Untangling the controversy on Ce<sup>3+</sup> luminescence in LaAlO<sub>3</sub> crystals
Untangling the controversy on Ce<sup>3+</sup> luminescence in LaAlO<sub>3</sub> crystals Open
The photoluminescence of a Ce-doped LaAlO 3 single crystal is not related to the material itself, but to Al-rich micro-inclusions, which is demonstrated by matching their cathodoluminescence spectrum with the photoluminescence spectrum of …
View article: Gd-admixed (Lu,Gd)AlO3 single crystals: breakthrough in heavy perovskite scintillators
Gd-admixed (Lu,Gd)AlO3 single crystals: breakthrough in heavy perovskite scintillators Open
We report a breakthrough concept for a bulk single crystal as a heavy aluminum perovskite scintillator, where due to bandgap engineering by a balanced Gd admixture in a Lu cation sublattice, the scintillation performance dramatically incre…
View article: (INVITED) Ultraviolet cross-luminescence in ternary chlorides of alkali and alkaline-earth metals
(INVITED) Ultraviolet cross-luminescence in ternary chlorides of alkali and alkaline-earth metals Open
After the discovery of a cross-luminescence (CL) in BaF2 in 1982, a large number of CL scintillators were investigated. However, no CL scintillator superior to BaF2 has been discovered, and the research of CL scintillators has subsided. Re…
View article: ZnO nanorods alloyed with Mo/Er. The effect of post-deposition treatment on defect states and luminescence
ZnO nanorods alloyed with Mo/Er. The effect of post-deposition treatment on defect states and luminescence Open
Free-standing ZnO nanorods alloyed with Er/Mo were synthesized by the hydrothermal growth method. To characterize them, the number of experimental techniques was applied including X-ray diffraction (XRD), scanning emission microscopy (SEM)…
View article: Core–shell ZnO:Ga-SiO<sub>2</sub> nanocrystals: limiting particle agglomeration and increasing luminescence <i>via</i> surface defect passivation
Core–shell ZnO:Ga-SiO<sub>2</sub> nanocrystals: limiting particle agglomeration and increasing luminescence <i>via</i> surface defect passivation Open
Heat treatment is needed to increase the luminescence intensity of ZnO:Ga particles, but it comes at the cost of higher particle agglomeration.