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Towards deliberate design of persistent phosphors: a study of La-Ga admixing in LuAG:Ce crystals to engineer elemental homogeneity and carrier trap depths

(2023) JOURNAL OF MATERIALS CHEMISTRY C. 11(26). p.8850-8865
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Abstract
This research investigated the crystal chemical principles related to the incorporation of incompatible atoms into a garnet host lattice. These considerations might be used to guide and drive the design of new garnet compounds with novel properties. The strongly incompatible La atoms at the Lu sites of the Lu3Al2Ga3O12:Ce host lattice served as a research model. This study showed the possibility of designing material properties by exploiting atom mismatches in a crystal lattice. Lu3Al2Ga3O12:Ce0.075% crystals with increasing concentrations of La3+ ions were grown from the melt using the micro-pulling down method. The concentration of La3+ ions above 0.300 at% imposed physical and chemical boundary conditions on the crystallization process. The radial distributions of the chemical elements were studied as a function of the concentration of La3+ ions. It was revealed that La3+ codoping significantly reduced the cross-sectional fluctuation of the Ga and Al atoms. Persistent green-yellow luminescence due to the inter-configurational 5d -> 4f transition of Ce3+ was observed after the blue-light excitation. The LuAGG:Ce0.075%,La0.015% phosphor showed long persistent luminescence for more than 14 h above 0.32 mcd m(-2), the detection limit of a human eye. The thermoluminescence glow curves revealed that the addition of La3+ ions increased the concentration of traps.
Keywords
LUMINESCENCE PROPERTIES, SINGLE-CRYSTAL, TEMPERATURE-DEPENDENCE, PHASE-STABILITY, CE3+, THERMOLUMINESCENCE, EXCITATION, EMISSION, KINETICS, DY3+

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MLA
Bartosiewicz, Karol, et al. “Towards Deliberate Design of Persistent Phosphors: A Study of La-Ga Admixing in LuAG:Ce Crystals to Engineer Elemental Homogeneity and Carrier Trap Depths.” JOURNAL OF MATERIALS CHEMISTRY C, vol. 11, no. 26, 2023, pp. 8850–65, doi:10.1039/d3tc01304a.
APA
Bartosiewicz, K., Fritz, V., Van der Heggen, D., Szymanski, D., Zeler, J., Pejchal, J., … Nikl, M. (2023). Towards deliberate design of persistent phosphors: a study of La-Ga admixing in LuAG:Ce crystals to engineer elemental homogeneity and carrier trap depths. JOURNAL OF MATERIALS CHEMISTRY C, 11(26), 8850–8865. https://doi.org/10.1039/d3tc01304a
Chicago author-date
Bartosiewicz, Karol, Verena Fritz, David Van der Heggen, Damian Szymanski, Justyna Zeler, Jan Pejchal, Akihiro Yamaji, et al. 2023. “Towards Deliberate Design of Persistent Phosphors: A Study of La-Ga Admixing in LuAG:Ce Crystals to Engineer Elemental Homogeneity and Carrier Trap Depths.” JOURNAL OF MATERIALS CHEMISTRY C 11 (26): 8850–65. https://doi.org/10.1039/d3tc01304a.
Chicago author-date (all authors)
Bartosiewicz, Karol, Verena Fritz, David Van der Heggen, Damian Szymanski, Justyna Zeler, Jan Pejchal, Akihiro Yamaji, Romana Kucerkova, Alena Beitlerova, Shunsuke Kurosawa, Akira Yoshikawa, Philippe Smet, Eugeniusz Zych, and Martin Nikl. 2023. “Towards Deliberate Design of Persistent Phosphors: A Study of La-Ga Admixing in LuAG:Ce Crystals to Engineer Elemental Homogeneity and Carrier Trap Depths.” JOURNAL OF MATERIALS CHEMISTRY C 11 (26): 8850–8865. doi:10.1039/d3tc01304a.
Vancouver
1.
Bartosiewicz K, Fritz V, Van der Heggen D, Szymanski D, Zeler J, Pejchal J, et al. Towards deliberate design of persistent phosphors: a study of La-Ga admixing in LuAG:Ce crystals to engineer elemental homogeneity and carrier trap depths. JOURNAL OF MATERIALS CHEMISTRY C. 2023;11(26):8850–65.
IEEE
[1]
K. Bartosiewicz et al., “Towards deliberate design of persistent phosphors: a study of La-Ga admixing in LuAG:Ce crystals to engineer elemental homogeneity and carrier trap depths,” JOURNAL OF MATERIALS CHEMISTRY C, vol. 11, no. 26, pp. 8850–8865, 2023.
@article{01HMECWZQE4JP2RWP02EGA4N7A,
  abstract     = {{This research investigated the crystal chemical principles related to the incorporation of incompatible atoms into a garnet host lattice. These considerations might be used to guide and drive the design of new garnet compounds with novel properties. The strongly incompatible La atoms at the Lu sites of the Lu3Al2Ga3O12:Ce host lattice served as a research model. This study showed the possibility of designing material properties by exploiting atom mismatches in a crystal lattice. Lu3Al2Ga3O12:Ce0.075% crystals with increasing concentrations of La3+ ions were grown from the melt using the micro-pulling down method. The concentration of La3+ ions above 0.300 at% imposed physical and chemical boundary conditions on the crystallization process. The radial distributions of the chemical elements were studied as a function of the concentration of La3+ ions. It was revealed that La3+ codoping significantly reduced the cross-sectional fluctuation of the Ga and Al atoms. Persistent green-yellow luminescence due to the inter-configurational 5d -> 4f transition of Ce3+ was observed after the blue-light excitation. The LuAGG:Ce0.075%,La0.015% phosphor showed long persistent luminescence for more than 14 h above 0.32 mcd m(-2), the detection limit of a human eye. The thermoluminescence glow curves revealed that the addition of La3+ ions increased the concentration of traps.}},
  author       = {{Bartosiewicz, Karol and Fritz, Verena and Van der Heggen, David and  Szymanski, Damian and  Zeler, Justyna and  Pejchal, Jan and  Yamaji, Akihiro and  Kucerkova, Romana and  Beitlerova, Alena and  Kurosawa, Shunsuke and  Yoshikawa, Akira and Smet, Philippe and  Zych, Eugeniusz and  Nikl, Martin}},
  issn         = {{2050-7526}},
  journal      = {{JOURNAL OF MATERIALS CHEMISTRY C}},
  keywords     = {{LUMINESCENCE PROPERTIES,SINGLE-CRYSTAL,TEMPERATURE-DEPENDENCE,PHASE-STABILITY,CE3+,THERMOLUMINESCENCE,EXCITATION,EMISSION,KINETICS,DY3+}},
  language     = {{eng}},
  number       = {{26}},
  pages        = {{8850--8865}},
  title        = {{Towards deliberate design of persistent phosphors: a study of La-Ga admixing in LuAG:Ce crystals to engineer elemental homogeneity and carrier trap depths}},
  url          = {{http://doi.org/10.1039/d3tc01304a}},
  volume       = {{11}},
  year         = {{2023}},
}

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