Determination of different garnet films characteristics prepared via sol-gel spin or dip-coatings techniques

Inkrataite, Greta; Stankevičiūtė, Živilė; Skaudžius, Ramūnas

doi:10.1016/j.jlumin.2022.118751

Cited by 5 publications

(7 citation statements)

References 29 publications

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“…The emission of chromium ions originates from the 2 E→ 4 A 2 electron transitions [28]. The chromium ions are most likely to be introduced as impurities from the precursors used during synthesis as even extremely small amounts have been reported to show reasonably intensive emission [17].…”

Section: Resultsmentioning

confidence: 99%

“…Nominal formulas of the synthesized samples are the following: Y 2,985‐y Al 2 Al 3‐x O 12 :Ce 0,015 ,B x ,Mg y , Lu 2,98‐y5 Al 2 Al 3‐x O 12 :Ce 0,015 B x ,Mg y . According to our previous studies, YAG and LuAG ceramics were doped with 5% or 0% of boron and/or with 0.03 or 0% of magnesium [16–18]. A list of all ceramics is presented in Table 1, in addition Figure 2 shows the images of synthesized garnets ceramics.…”

Section: Methodsmentioning

confidence: 99%

“…According to our previous studies, YAG and LuAG ceramics were doped with 5% or 0% of boron and/or with 0.03 or 0% of magnesium [16][17][18]. A list of all ceramics is presented in Table 1, in addition Figure 2 shows the images of synthesized garnets ceramics.…”

Section: Synthesis Proceduresmentioning

confidence: 99%

“…The photoluminescence decay kinetics were studied for ceramics using the FLS980 spectrometer. A 400 nm laser was used for these measurements [16,17].…”

Section: Decay Time Measurementsmentioning

confidence: 99%

“…photoluminescence and scintillation decay times (decreases and increases), specific trends and values correlate[17,[34][35][36].Commission Internationale de l'éclairage (CIE) chromaticity diagrams are plotted using coordinates derived from emission spectra of the ceramics. The diagram is shown in Figure12.…”

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confidence: 99%

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Synthesis and investigation of novel boron‐ and magnesium‐doped YAG:Ce and LuAG:Ce phosphor ceramics

Inkrataite,

Skruodiene,

Skaudzius

2024

Luminescence

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YAG:Ce and LuAG:Ce ceramics are widely used as scintillator materials that convert high‐energy radiation into visible light. For the practical application of such compounds, short decay times are a necessity. One way of shortening the existing decay times even more is to change the local environment of emitting ions by means of doping the matrix with additional elements, for example, boron or magnesium. Furthermore, boron ions also can help absorb gamma rays more efficiently, therefore improving overall applicability. Due to the aforementioned reasons, YAG and LuAG ceramics doped with cerium, boron, and magnesium were synthesized. Initial amorphous powders have been obtained by means of sol–gel synthesis and pressed into pellets under isostatic pressure and finally calcinated to form crystalline ceramics. The effects of boron and magnesium doping on the morphological, structural, and luminescence properties were investigated. The key results showed that doping with boron has indeed shortened the decay times of the garnet pellets. Overall, boron doping of ceramics is a relatively new research area; however, it is rather promising as it helps both to improve the luminescence properties and to increase particle growth rate.

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Section: Resultsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Synthesis Proceduresmentioning

confidence: 99%

“…The photoluminescence decay kinetics were studied for ceramics using the FLS980 spectrometer. A 400 nm laser was used for these measurements [16,17].…”

Section: Decay Time Measurementsmentioning

confidence: 99%

mentioning

confidence: 99%

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