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pp. 691-699
S&M4339 Research paper https://doi.org/10.18494/SAM6127 Published: February 6, 2026 Rapid Synthesis of Eu2+ and Dy3+ Co-doped SrAl2O4 Thick Film by Chemical Vapor Deposition and Its Photoluminescence Properties [PDF] Yoshikazu Kanamoto and Akihiko Ito (Received October 31, 2025; Accepted December 26, 2025) Keywords: SrAl2O4, chemical vapor deposition, thick film phosphor, afterglow, luminescence
Eu2+ and Dy3+ co-doped SrAl2O4 (Eu2+, Dy3+:SrAl2O4) has a wide range of applications as a persistent phosphor. We demonstrate the rapid synthesis of Eu2+, Dy3+:SrAl2O4 thick film phosphors grown by laser-assisted CVD at deposition temperatures of 1010–1163 K, total chamber pressures of 280–6000 Pa, and Sr molar ratios in precursor vapor of 28.0–93.2 at%. A (100)-oriented Eu2+, Dy3+:SrAl2O4 thick film was epitaxially grown on a c-cut sapphire substrate. Under UV irradiation, the film exhibited a green emission originating from 4f65d1→4f7 transitions of Eu2+ ions.
Corresponding author: Akihiko Ito![]() ![]() This work is licensed under a Creative Commons Attribution 4.0 International License. Cite this article Yoshikazu Kanamoto and Akihiko Ito, Rapid Synthesis of Eu2+ and Dy3+ Co-doped SrAl2O4 Thick Film by Chemical Vapor Deposition and Its Photoluminescence Properties, Sens. Mater., Vol. 38, No. 2, 2026, p. 691-699. |