Luminescent properties of Eu3+ in defect apatite, Sr3La6 (SiO4)6

Shunichi Kubota; Roger Luis Stanger; Yuugo Suzuyama; Hisanori Yamane; Msahiko Shimada

doi:10.1149/1.1483102

Luminescent properties of Eu³⁺ in defect apatite, Sr₃La₆ (SiO₄)₆

Shunichi Kubota, Roger Luis Stanger, Yuugo Suzuyama, Hisanori Yamane, Msahiko Shimada

Research output: Contribution to journal › Article › peer-review

21 Citations (Scopus)

Abstract

Sr₃La₆(SiO₄)₆ is one of the defect silicate apatites. Eu³⁺ -doped Sr₃La₆(SiO₄)₆, i.e., Sr₃(La_1-xEu_x)₆(SiO₄)₆ solid solutions, were synthesized and their luminescent properties were studied. The emission intensity increased with increasing Eu³⁺ concentration up to x = 0.2 and decreased to x = 0.8. At x = 0.9, it raised again dramatically. In addition, the lattice parameter, a, decreased quickly With increasing Eu³⁺ concentration between x = 0.8 and x = 1.0. This fact was explained by the change of site occupancies of Eu³⁺, La³⁺, and Sr²⁺ ions and defects on the 4f and 6h sites in Sr₃(La_1-xEU_x)₆(SiO₄)₆.

Original language	English
Journal	Journal of the Electrochemical Society
Volume	149
Issue number	7
DOIs	https://doi.org/10.1149/1.1483102
Publication status	Published - 2002 Jul 1

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Renewable Energy, Sustainability and the Environment
Surfaces, Coatings and Films
Electrochemistry
Materials Chemistry

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

Access to Document

10.1149/1.1483102

Cite this

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title = "Luminescent properties of Eu3+ in defect apatite, Sr3La6 (SiO4)6",

abstract = "Sr3La6(SiO4)6 is one of the defect silicate apatites. Eu3+ -doped Sr3La6(SiO4)6, i.e., Sr3(La1-xEux)6(SiO4) 6 solid solutions, were synthesized and their luminescent properties were studied. The emission intensity increased with increasing Eu3+ concentration up to x = 0.2 and decreased to x = 0.8. At x = 0.9, it raised again dramatically. In addition, the lattice parameter, a, decreased quickly With increasing Eu3+ concentration between x = 0.8 and x = 1.0. This fact was explained by the change of site occupancies of Eu3+, La3+, and Sr2+ ions and defects on the 4f and 6h sites in Sr3(La1-xEUx)6(SiO4) 6.",

author = "Shunichi Kubota and Stanger, {Roger Luis} and Yuugo Suzuyama and Hisanori Yamane and Msahiko Shimada",

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T1 - Luminescent properties of Eu3+ in defect apatite, Sr3La6 (SiO4)6

AU - Kubota, Shunichi

AU - Stanger, Roger Luis

AU - Suzuyama, Yuugo

AU - Yamane, Hisanori

AU - Shimada, Msahiko

PY - 2002/7/1

Y1 - 2002/7/1

N2 - Sr3La6(SiO4)6 is one of the defect silicate apatites. Eu3+ -doped Sr3La6(SiO4)6, i.e., Sr3(La1-xEux)6(SiO4) 6 solid solutions, were synthesized and their luminescent properties were studied. The emission intensity increased with increasing Eu3+ concentration up to x = 0.2 and decreased to x = 0.8. At x = 0.9, it raised again dramatically. In addition, the lattice parameter, a, decreased quickly With increasing Eu3+ concentration between x = 0.8 and x = 1.0. This fact was explained by the change of site occupancies of Eu3+, La3+, and Sr2+ ions and defects on the 4f and 6h sites in Sr3(La1-xEUx)6(SiO4) 6.

AB - Sr3La6(SiO4)6 is one of the defect silicate apatites. Eu3+ -doped Sr3La6(SiO4)6, i.e., Sr3(La1-xEux)6(SiO4) 6 solid solutions, were synthesized and their luminescent properties were studied. The emission intensity increased with increasing Eu3+ concentration up to x = 0.2 and decreased to x = 0.8. At x = 0.9, it raised again dramatically. In addition, the lattice parameter, a, decreased quickly With increasing Eu3+ concentration between x = 0.8 and x = 1.0. This fact was explained by the change of site occupancies of Eu3+, La3+, and Sr2+ ions and defects on the 4f and 6h sites in Sr3(La1-xEUx)6(SiO4) 6.

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