Winicjusz Drozdowski

Winicjusz Drozdowski
Nicolaus Copernicus University | umk · Faculty of Physics, Astronomy and Informatics

Professor

About

142
Publications
26,131
Reads
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2,433
Citations
Citations since 2017
55 Research Items
1275 Citations
2017201820192020202120222023050100150200250300
2017201820192020202120222023050100150200250300
2017201820192020202120222023050100150200250300
2017201820192020202120222023050100150200250300
Additional affiliations
April 2020 - present
Nicolaus Copernicus University
Position
  • Professor (Full)
July 2014 - March 2020
Nicolaus Copernicus University
Position
  • Professor (Associate)
May 2006 - September 2008
Delft University of Technology
Position
  • PostDoc Position

Publications

Publications (142)
Article
Full-text available
(LuxY1-x)3Al5O12:Pr (x = 0.25, 0.50, 0.75) crystals have been grown by the Czochralski method and their scintillation properties have been examined. Compared to the well-respected LuAG:Pr scintillator, which has so extensively been studied in the recent years, the new mixed LuYAG:Pr crystals display markedly higher light yields, regardless of the v...
Article
Full-text available
Trends in scintillators that are used in many applications, such as medical imaging, security, oil-logging, high energy physics and non-destructive inspections are reviewed. First, we address traditional inorganic and organic scintillators with respect of limitation in the scintillation light yields and lifetimes. The combination of highlight yield...
Article
Measurements of pulse height spectra and scintillation time profiles performed on Czochralski-grown β-Ga2O3, β-Ga2O3:Ce, and β-Ga2O3:Ce,Si crystals are reported. The highest value of scintillation yield, 7040 ph/MeV, was achieved for pure β-Ga2O3 at a low free electron concentration, nevertheless Ce-doped crystals could also approach high values th...
Article
Our recent research on scintillation properties of β-Ga 2 O 3 crystals, either pure or singly-, doubly-, and triply-doped, obtained with the Czochralski method at the Leibniz-Institut für Kristallzüchtung, is summarized. The results of pulse height, scintillation time profile, and low temperature thermoluminescence measurements are analyzed, mostly...
Article
A high-quality bulk single crystal of β-Ga2O3 has been grown by the Czochralski method and its basic scintillation characteristics (light yield, energy resolution, proportionality, and scintillation decay times) have been investigated. All the samples cut from the crystal show promising scintillation yields between 8400 and 8920 ph/MeV, which is a...
Article
Optical and scintillation characteristics of Mg²⁺-codoped Lu2Y(Al5-xGax)O12:Ce (x = 2, 3) multicomponent garnet crystals grown by the micro-pulling down method were investigated. At RT, the shortening of scintillation decay time and a decrease of light yield (LY) value measured for a higher Ga containing samples can be explained by thermal ionizati...
Article
Low temperature thermoluminescence of β-Ga2O3, β-Ga2O3:Al and β-Ga2O3:Ce has been investigated. Glow curves have been analyzed quantitatively using a rate equations model in order to determine the traps parameters, such as activation energies, capture cross-sections and probabilities of recombination and retrapping.
Article
Full-text available
Two-dimensional hybrid organic-inorganic perovskites (2D-HOIPs) possess intriguing structural properties which makes them promising materials for diverse optical, electronic and scintillation applications. Recently, several classes of hybrid perovskites exhibit potential candidate for radiation detection. However, the scintillation properties of co...
Poster
Two-dimensional (2D) perovskite crystals, A 2 XY 4 (A = PEA, BA; X = Pb, Sn, Cu, Mn; Y = Cl, Br, I) have been subject of interest for solution-processable scintillators for the past 2 decades due to the possibility to grow high-quality and large crystals with low-cost techniques. We started from PEA 2 PbBr 4 and BA 2 PbBr 4 , which have light yield...
Article
Double perovskites are materials exhibiting excellent properties for a variety of optical and electrical applications. In this paper, we characterize the structural, electronic, optical, electrical and scintillation properties of two variants of lead-bismuth halide double perovskite, with the general chemical composition of Cs4PbBi2X12 (X= Br, I)....
Article
Mg - codoped Lu3-xYxAl2Ga3O12:Pr (x = 0, 1, 2, and 3) garnet crystals were grown by micro-pulling down method and scintillation characteristics were investigated. An observed red shift of the Pr³⁺ 5d1 → 4f luminescence with increasing Y content can be attributed to an increase in crystal field splitting of the 5d levels. Temperature dependence of r...
Article
Czochralski-grown β-Ga2O3 and β-Ga2O3:Si crystals with the free electron concentrations between 2.5·10¹⁶ and 4.3·10¹⁸ cm⁻³ have been characterized by means of pulse height and scintillation time profile measurements in order to assess their basic scintillation properties. At room temperature, with increasing free electron concentration in the studi...
Article
Full-text available
Solution-processed hybrid organic-inorganic lead halide perovskites are potential for next generation X-ray imaging applications. Here, we discuss the effect of Pb replacement with Cu and Sn on the optical and scintillation properties of highlight yield and fast crystal scintillator of BA2PbBr4. By replacing Pb with Cu and Sn, the measured bandgap...
Article
Luminescence and scintillation characteristics of Mg²⁺-codoped (LuxGd3-x)Al2.4Ga2.6O12:Ce (x = 0.2–0.8) garnet crystals grown by the micro-pulling down method are investigated. The Ce³⁺ 5d1 → 4f luminescence is blue-shifted with increasing Lu content due to the decrease in crystal field splitting of the 5 d levels. With increasing Lu content, the s...
Article
Mo co-doped Y0.8Gd2.2(Al5-xGax)O12:Ce (x = 2.6 and 3) multicomponent garnet crystals were grown by the micro-pulling down method and the luminescence and scintillation properties were investigated. The temperature dependences of radioluminescence yield and photoluminescence decay time were measured to investigate the temperature stability of these...
Article
The scintillation characteristics of Lu3-xGdxAl5O12:Ce (x = 1, 1.25, 1.75, 2, and 2.25) garnet crystals were investigated. With increasing Gd content, the Ce³⁺ 5d1 → 4f luminescence band was red-shifted due to an increase in the crystal field splitting of the 5d levels. In addition, both the light yield value and contribution of fast scintillation...
Article
Relative changes of light yield were investigated for LuAG:Pr, LuAG:Pr,Mo and LuYAG:Pr as a function of sample temperature. The measurements were performed using a dedicated cryostat filled with liquid nitrogen allowing for controlling the temperature of the samples between 90 K and 425 K. Scintillation light was detected by an MPPC photodetector,...
Conference Paper
Here we report the emission properties of low-dimensional perovskite materials: quantum dots and two-dimensional perovskites under high energy excitation from X-, gamma-ray, alpha particle, and thermal neutron, aimed towards fast-timed imaging and particle detection applications. 1. Introduction Scintillators are materials that down-convert high en...
Conference Paper
We studied the optical and radiation detection properties of lead-free hybrid organic-inorganic perovskite with Mn and Sn as Pb substitutes. Furthermore, the effect of chain length within the organic cation was investigated. 1. Introduction Hybrid organic-inorganic perovskites (HOIPs) have been attracting much attention in several applications incl...
Article
Full-text available
We report the optical and scintillation properties of (C 6 H 5 CH 2 NH 3) 2 SnBr 4 with excellent absorption length at 20 keV of 0.016 cm, measured bandgap of 2.51 eV, and photoluminescence lifetime of 1.05 ms. The light yield obtained with the 241 Am source is 3600 AE 600 photons per MeV, which is much smaller than the maximum attainable light yie...
Article
Full-text available
Zinc oxide (ZnO) is one of the wide-bandgap semiconductors, which may be useful in a plethora of electronic, optical, piezoelectric, and scintillating applications. The following article consists in a structural and luminescence analysis of ZnO microfilms grown on a sapphire substrate with a sol–gel method. The films were annealed at different temp...
Article
The luminescence and scintillation characteristics of Ce³⁺ - doped Gd3Sc2(Al3-xGax)O12 (x = 1, 2, 3) garnet crystals were investigated. The Ce³⁺ luminescence was blue-shifted with increasing Ga content due to the decrease of the crystal field strength. A decrease of Ce³⁺ luminescence intensity and luminescence decay time at high temperature was obs...
Article
Two-dimensional (2D) hybrid lead bromide perovskites are candidates for high light yield, fast scintillators. In this paper, we discuss the effect of commensurate Lithium doping (1:1 Li:Pb precursor ratio) on the scintillation properties of two previously reported high light yield 2D-perovskite crystals, PEA2PbBr4 and BA2PbBr4. The effect of Lithiu...
Article
Two-dimensional (2D) hybrid lead bromide perovskites are candidates for high light yield, fast scintillators. In this paper, we discuss the effect of commensurate Lithium(Li)-doping (1:1 Li:Pb precursor ratio) on the scintillation properties of two previously reported high light yield 2D-perovskite crystals, PEA2PbBr4 and BA2PbBr4. The effect of Li...
Conference Paper
Here we report the emission properties of perovskite quantum dots and two- dimensional perovskites under high energy excitation from X-, gamma-ray, alpha particle and thermal neutron, aimed towards fast-timed imaging and particle detection applications.
Article
Two-dimensional (2D) hybrid lead halide perovskites are potential candidates for high light yield scintillators as they have small bandgaps between 3 and 4 eV and large exciton-binding energy. Here we discuss the scintillation properties from a total of eleven organic/inorganic hybrid perovskite crystals with two already reported crystals, (PEA)2Pb...
Conference Paper
Here we report X- and gamma-ray scintillation properties from solution-processable perovskite (SPP) halide single crystals and quantum dots. We tune the properties of single crystals by replacing the cation, changing the organic ammonium cation spacer, and varying the halide anion. For quantum dots, we tune the properties by changing the halide ion...
Article
Performance of Mg2+ co-doped GAGG(Ce), hereafter called as cerium-doped gadolinium fine aluminum gallate, GFAG(Ce), in gamma-ray spectrometry has been investigated. The study of two samples of 10 × 10 × 5 mm3 GFAG(Ce) crystals covers the tests of emission spectra, light output, non-proportionality, energy resolution, time resolution, and decay time...
Article
An emerging prospect of solution-processed organic-inorganic hybrid halide perovskites is promising for next generation x-ray imaging applications. Herein, the optical and x-ray scintillation properties of lead-free two-dimensional perovskite crystals are reported, i.e. X2MnCl4 (X = PEA, PPA). At room temperature (RT), the photoluminescence (PL) sp...
Article
The scintillation characteristics of Lu0.8Gd2.2 (Al5−xGax )O12:Ce,Mg (x = 2.6 and 3) single crystals grown by the micropulling down method are investigated. The light yield of 27 600 photons/MeV obtained for Lu0.8Gd2.2Al2Ga3O12:Ce,Mg is higher than that of 25 400 photons/MeV obtained for Lu0.8Gd2.2Al2.4Ga2.6O12:Ce,Mg. The photoluminescence and scin...
Article
Full-text available
Two-dimensional lead halide perovskites have demonstrated their potential as high-performance scintillators for X-and gamma-ray detection, while also being low-cost. Here we adopt lithium chemical doping in two-dimensional phenethylammonium lead bromide (PEA)2PbBr4 perovskite crystals to improve the properties and add functionalities with other rad...
Article
The scintillation properties of Mg2+-codoped Lu0.6Gd2.4Al2Ga3O12:Ce (LGAGG:Ce,Mg) single crystal grown by Czochralski method are investigated. The light yield (LY), scintillation decay time and coincidence time resolution are presented in comparison with a GAGG:Ce,Mg reference crystal. The light yield of 26,200 photons/MeV obtained for LGAGG:Ce,Mg...
Article
β-Ga2O3 is an emerging ultra-wide bandgap (4.9 eV) oxide semiconductor that additionally scintillates under gamma excitation. A unique combination of transparency in the UV/visible spectrum, semiconducting, and scintillation properties makes that compound interesting for fundamental studies of underlying physics and design of novel devices, in part...
Article
Scintillation characteristics of Y0.8Gd2.2(Al5-xGax)O12:Ce,Mg (x = 2.6 and 3) single crystals are presented. At 662 keV γ rays, the light yield of 35,600 photons/MeV obtained for Y0.8Gd2.2Al2Ga3O12:Ce,Mg is higher than that of 32,600 photons/MeV for Y0.8Gd2.2Al2.4Ga2.6O12:Ce,Mg. Scintillation decay components of 32.3 ns (52.4 %) + 104 ns (47.6 %) o...
Article
Light yield, time response, afterglow and thermoluminescence of Ce-doped garnet scintillators and persistent luminescent materials are controlled by a complex interplay between recombination and trapping/detrapping processes. Extensive research has contributed to a good qualitative understanding of how traps, impurities and the presence of Ce⁴⁺ aff...
Article
Single crystals of undoped BaWO4, BaWO4: 0.5 at.% Pr, 1 at. % Na and BaWO4: 1 at.% Pr, 2 at.% Na were grown from an inductively heated iridium crucible by the Czochralski method on a Malvern MSR4 puller. They were investigated using X-ray diffraction (XRD), electron paramagnetic resonance (EPR) and optical spectroscopy methods. EPR measurements hav...
Article
Praseodymium activated lutetium aluminum garnet (LuAG:Pr) is an inorganic scintillator belonging to the garnet family of crystals. It is characterized by an emission related to the radiative and allowed 5d14f1 -> 4f2 transition in trivalent praseodymium ions. It has been shown that it has good scintillation qualities such as light output, energy re...
Article
Nanocrystalline powders of Ce³⁺ doped Gd3Ga3Al2O12 (GGAG) with the size of tens nanometers were prepared using modified Pechini method. Low Temperature High Pressure sintering method was used for the fabrication of the translucent nanoceramics using as starting materials nanocrystalline GGAG:Ce³⁺ powders. For growth of GGAG:Ce single crystal the Cz...
Article
Single crystals of BaWO 4 , BaWO 4 : 0.5 at. % Ce; BaWO 4 : 1 at. % Ce; BaWO 4 : 0.5 at. % Ce, 1 at. % Na; and BaWO 4 : 1 at. % Ce, 2 at. % Na were grown from an inductively heated iridium crucible by the Czochralski method on a Malvern MSR4 puller. They were investigated using Electron Paramagnetic Resonance (EPR) spectroscopy at helium temperatur...
Article
β-Ga2O3 and β-Ga2O3:Ce crystals have been grown by the Czochralski method and their scintillation properties have been studied by means of pulse height, radioluminescence and scintillation time profile measurements. It is shown that although the scintillation of β-Ga2O3:Ce is related to intrinsic excitonic emission, the doping with Ce improves some...
Conference Paper
Recently, there has been an increased interest in the scintillators belonging to the family of garnet crystals. Praseodymium activated LuAG (Lu 3 Al5O 12 :Pr) shows decent properties in terms of light output, energy resolution and fast emission originating from 5d 1 4f 1 → 4f 2 transitions in Pr 3+ , peaking at 310 nm. Since the material shows pote...
Article
The impact of thermal annealing on the properties of LuAG:Ce and LuAG:Pr ceramics has been investigated. The results of measurements of pulse height spectra, scintillation time profiles, absorption spectra, radi-oluminescence as a function of temperature, absorption spectra, as well as low temperature thermally stimulated luminescence, performed be...
Article
In this work, radioluminescence, low temperature thermoluminescence, and light yield of ZnWO4, ZnWO4:Ca, and ZnWO4:Ca, Eu single crystals is reported. It is shown that although the single doping with Ca improves, in a limited scope, the scintillation properties of the studied material, it is not the case with the double doping with Ca and Eu. The v...
Article
Temperature- and dose-dependent measurements of X-ray luminescence (XL) in various perovskite single crystals are reported. For MAPbX3 (X= Cl, Br or I), the quenching temperature of XL intensities shifts to lower temperatures in the sequence from Cl to I. This quenching is strongly affected by the decrease of the thermal activation energy ∆Eq from...
Article
Due to their very fast short-wavelength emission, neodymium-doped materials are a subject of current interest as potential scintillators. Although the initial reports regarding neodymium-doped orthophosphates (in crystalline form) and their scintillation properties appeared almost twenty years ago, they remain an interesting class of materials sinc...
Article
In this Communication the behavior of two types of Gd3Al2Ga3O12:Ce samples under gamma and X ray excitation is compared. Single crystals of GAGG:1%Ce have been grown by the Czochralski technique, while nanoceramic pills of GAGG:1%Ce have been fabricated by the LTHP sintering from nanocrystalline powders prepared by the Pechini method. The results o...
Poster
Full-text available
Luminescence properties of XPO4:Nd3+ ( X = Y, Lu, Sc, La ) have been studied. Due to very fast, shortwavelength emission, neodymium-doped materials are a subject of interest as potential scintillators [1]. Although first studies of YPO4:Nd3+ and LuPO4:Nd3+ (in crystalline form) as potential scintillation materials were reported almost twenty years...
Article
We propose a new technique to measure the infrared scintillation light yield of rare earth doped crystals by comparing it to near UV–visible scintillation of a calibrated Pr:(Lu0.75Y0.25)3Al5O12 sample. As an example, we apply this technique to provide the light yield in visible and infrared range up to 1700 nm of this crystal.
Article
Full-text available
Currently, strengthening of the intensity of luminescence in alkali halide crystals (AHC) at lattice symmetry lowering is discussed as a promising direction for the development of scintillation detectors [1-3]. In this regard, for the study of anion excitons and radiation defects in the AHC anion sublattice at deformation, the crystals with the sam...
Article
Lattice parameters, magnetic susceptibility, electronic structure, distribution of the elements and thermal properties were examined for single crystals of Lu3Al5O12 (LuAG) and (Lu1−xYx)3Al5O12 (LuYAG) (x = 0.25, 0.50, 0.75), either pure or doped with Pr and optionally co-doped with Mo, which are predicted as potential fast and efficient scintillat...
Conference Paper
Full-text available
Interior of Czochralski-grown (Lu,Y)AG:Pr crystals has been examined by means of several techniques, such as X-Ray Photoelectron Spectroscopy, X-Ray Diffraction, Time-of-Flight Secondary Ion Mass Spectrometry, and magnetic susceptibility measurements. Additionally, their luminescence has been monitored at various combinations of a double-beam (X-ra...
Article
Presently, silicon photomultipliers (SiPMs) are very attractive devices to replace photomultipliers for light detection in many different fields. For example, they could be used in detectors of photons with energies of 20-150 keV for medical and nondestructive testing applications. The small size and high electron gain of SiPMs make them very attra...
Article
Full-text available
Current technologies for X-ray detection rely on scintillation from expensive inorganic crystals grown at high-temperature, which so far has hindered the development of large-area scintillator arrays. Thanks to the presence of heavy atoms, solution-grown hybrid lead halide perovskite single crystals exhibit short X-ray absorption length and excelle...
Article
Radio- and thermoluminescent properties of HfO2:Ti sintered ceramics were investigated in the temperature range of 10–300 K. Fabrication atmosphere altered somewhat the efficiency of radioluminescence but did not affect the spectral distribution of the broad scintillation band covering the 380–570 nm range of wavelengths and peaking at 522 nm at 10...
Article
Lu2Y2Al2O9:Pr crystals have been grown by the micro-pulling-down method and their basic luminescence properties have been examined in order to estimate their utility for scintillator applications. The performed studies comprise the measurements of radioluminescence spectra as a function of temperature, photoluminescence emission and excitation spec...
Poster
Full-text available
After a preliminary success of LuYAG:Pr crystals, a new series was prepared at the Institute of Electronic Materials Technology (ITME) in Warsaw. However, the growth was not fully successful: the new samples displayed much lower light yields than expected, and their orange coloration indicated the presence of Pr4+ ions instead of Pr3+. On the other...
Article
In this paper we propose an extended, two dimensional model describing the propagation of scintillation photons inside a cuboid crystal until they reach a PMT window. In the simplest approach the model considers two main reasons for light losses: standard absorption obeying the classical Lambert–Beer law and non-ideal reflectivity of the “mummy” co...
Article
Radioluminescence spectra at temperatures ranging from 10 to 320 K and low temperature thermoluminescence glow curves of BaY2F8:Ce and BaY2F8:Nd scintillator crystals have been investigated. In both materials the intensities of the excitonic and the activator ion’s emission at X-ray excitation vary with temperature, anticorrelating with each other,...
Article
In this paper the basic scintillation and thermoluminescence properties of LuYAG:Pr and LuAG:Pr,Mo crystals are reported. It is shown that, primarily, both materials display significantly higher scintillation yields than their prototype LuAG:Pr. The results of radioluminescence, low and high temperature thermoluminescence, and scintillation time pr...
Article
Full-text available
The present paper concerns revealing and detailed characterization of the real structure of the new scintillator crystals of mixed lutetium-yttrium-aluminum garnets (LuxY1-x)3Al5O12 (LuYAG), either undoped or activated by praseodymium. The characterization of the crystals has been performed by means of the following methods, using conventional X-ra...
Conference Paper
Mixed (Lu x ,Y 1-x)3Al5O12 crystals doped with praseodymium and molybdenum have been examined and are reported in this presentation. In this communication we present the results of room temperature and low temperature measurements of radio-and photoluminescence spectra performed on a series of (Lu x ,Y 1-x)3Al5O12:Pr crystals (x = 0.00, 0.25, 0.50,...
Conference Paper
Full-text available
The mixed (Lu x ,Y 1-x) 3 Al 5 O 12 :Pr (LuYAG:Pr) crystals activated with praseodymium and (or) molybdenum have been grown by the Czochralski method as part of the project entitled " Study of the Influence of Electron Trap Distribution on the Efficiency of Host-to-Ion Energy Transfer in (Lu,Y)AG:Pr(,Mo) Scintillator Crystals ". This poster sets fo...
Poster
Full-text available
Mixed (Lux,Y1-x)3Al5O12 crystals doped with praseodymium and molybdenum have been examined and are reported in this presentation. In this communication we present the results of room temperature and low temperature measurements of radio- and photoluminescence spectra performed on a series of (Lux,Y1-x)3Al5O12:Pr crystals (x = 0.00, 0.25, 0.50, 0.75...
Conference Paper
5th International Workshop on Advanced Spectroscopy and Optical Materials (IWASOM), Gdańsk (Poland), July 19-24, 2015
Research
Full-text available
5th International Workshop on Advanced Spectroscopy and Optical Materials (IWASOM), Gdańsk (Poland), July 19-24, 2015
Article
Y4Al2O9:Pr (YAM:Pr) crystals have been grown by the micro-pulling-down method and their scintillation properties have been investigated. YAM:0.1%Pr displays a light yield of about 2000 ph/MeV and its scintillation time profile contains a prompt component with a decay time of 23.5 ns and a contribution of 20%. Radioluminescence spectra show both fas...
Article
X-ray excited emission spectra at various temperatures, as well as low temperature glow curves of Czochralski-grown Li2B4O7:Co (LTB:Co) single crystals, have been recorded and compared with the data available for undoped LTB and LTB:Eu,Mn. Although the presence of cobalt does not influence the radioluminescence of the material, it clearly alters it...
Article
Low temperature thermoluminescence of GAGG:Ce and LuAG:Pr scintillator crystals has been studied by means of the Tmax-Tstop method. It is shown that the glow curves of both materials are superpositions of discrete glow peaks and broad bands due to quasi-continuous Gaussian distributions of trapping levels. A model function has been built and trap p...
Article
In this paper we report the measurements of pulse height spectra, radioluminescence spectra at various temperatures between 10 and 325 K, and low temperature thermoluminescence glow curves of Gd3Al2Ga3O12:Ce. It is shown that the scintillation yield of the studied material correlates with the concentration of cerium and anti-correlates with the the...
Conference Paper
Full-text available
In this communication we present an investigation of Pr3+-activated Lu1.5Y1.5Al5O12 (LuYAG) crystals. The optical study is carried out by optical absorption, excitation and emission. The spectra representing the majority of the Pr3+ ions in dodecahedral lattice sites are analysed on the basis of electric-dipole selection rules for D2 site symmetry....
Article
Li2B4O7 (LTB) single crystals doped with 0.5 mol% Mn and 0.005 mol.% Eu have been grown by the Czochralski method. The presence of Eu3+ has been confirmed by photoluminescence spectra of non-irradiated crystals, whereas the presence of Mn2+ by absorption spectra of gamma-irradiated ones, as well as by EPR measurements. Unlike in most thermoluminesc...
Article
Measurements of light yield, low temperature thermoluminescence, and scintillation time profiles, performed comparatively on "as grown" and thermally annealed LuAG:Pr samples, are reported. It is shown that traps play an efficient role in the scintillation of LuAG:Pr, being responsible for the yield decrease and introducing a long component to the...
Data
Within the family of cerium activated (LuxGd1-x)3(AlyGa1-y)5O12 crystals the Gd3Al2Ga3O12:Ce one seems to be the most promising candidate for a modern oxide scintillator, characterized by a high light yield of ca. 42000 ph/MeV and a reasonably fast decay time of ca. 50 ns. No wonder that this material has attracted a lot of attention very quickly,...
Article
Full-text available
Pure and Pr-activated Lu3Al5O12 (LuAG) crystals have been grown by the Czochralski method. In order to improve the scintillation properties, several samples have been annealed in air. Various annealing temperatures and periods of time have been tested to determine optimal conditions in the way of scintillation yield and energy resolution enhancemen...