Luminescence properties of LiSr2Y1-xLnxO4 (Ln=Eu,Tb,Tm) (0≤x≤1)

Shun Ichi Kubota; Yuugo Suzuyama; Hisanori Yamane; Masahiko Shimada

doi:10.1016/S0925-8388(97)00577-X

Luminescence properties of LiSr₂Y_1-xLn_xO₄ (Ln=Eu,Tb,Tm) (0≤x≤1)

Shun Ichi Kubota, Yuugo Suzuyama, Hisanori Yamane, Masahiko Shimada

Division of Inorganic Material Research

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

28 Citations (Scopus)

Abstract

Investigations of the luminescence properties of LiSr₂Y_1-xEu_xO₄, LiSr₂Y_1-xTb_xO₄ and LiSr₂Y_1-xTm_xO₄ (0≤x≤1) at room temperature are reported. These samples were synthesized by a solid state reaction. The excitation spectra of Tb³⁺ emission in LiSr₂Y_1-xTb_xO₄ (0≤x≤1) consist of broad bands corresponding to a transition between the 4f⁸ and 4f⁷5d¹ states of Tb³⁺. The maximum intensity is situated at about 318 nm. This is at a much longer wavelength than those of other Tb³⁺ doped phosphors. This is explained by a large offset of the adiabatic potential curve of the 4f⁷5d¹ state.

Original language	English
Pages (from-to)	66-71
Number of pages	6
Journal	Journal of Alloys and Compounds
Volume	268
Issue number	1-2
DOIs	https://doi.org/10.1016/S0925-8388(97)00577-X
Publication status	Published - 1998 Mar 27

Keywords

Luminescence
Phosphor
Rare earth

ASJC Scopus subject areas

Mechanics of Materials
Mechanical Engineering
Metals and Alloys
Materials Chemistry

Access to Document

10.1016/S0925-8388(97)00577-X

Cite this

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title = "Luminescence properties of LiSr2Y1-xLnxO4 (Ln=Eu,Tb,Tm) (0≤x≤1)",

abstract = "Investigations of the luminescence properties of LiSr2Y1-xEuxO4, LiSr2Y1-xTbxO4 and LiSr2Y1-xTmxO4 (0≤x≤1) at room temperature are reported. These samples were synthesized by a solid state reaction. The excitation spectra of Tb3+ emission in LiSr2Y1-xTbxO4 (0≤x≤1) consist of broad bands corresponding to a transition between the 4f8 and 4f75d1 states of Tb3+. The maximum intensity is situated at about 318 nm. This is at a much longer wavelength than those of other Tb3+ doped phosphors. This is explained by a large offset of the adiabatic potential curve of the 4f75d1 state.",

keywords = "Luminescence, Phosphor, Rare earth",

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T1 - Luminescence properties of LiSr2Y1-xLnxO4 (Ln=Eu,Tb,Tm) (0≤x≤1)

AU - Kubota, Shun Ichi

AU - Suzuyama, Yuugo

AU - Yamane, Hisanori

AU - Shimada, Masahiko

PY - 1998/3/27

Y1 - 1998/3/27

N2 - Investigations of the luminescence properties of LiSr2Y1-xEuxO4, LiSr2Y1-xTbxO4 and LiSr2Y1-xTmxO4 (0≤x≤1) at room temperature are reported. These samples were synthesized by a solid state reaction. The excitation spectra of Tb3+ emission in LiSr2Y1-xTbxO4 (0≤x≤1) consist of broad bands corresponding to a transition between the 4f8 and 4f75d1 states of Tb3+. The maximum intensity is situated at about 318 nm. This is at a much longer wavelength than those of other Tb3+ doped phosphors. This is explained by a large offset of the adiabatic potential curve of the 4f75d1 state.

AB - Investigations of the luminescence properties of LiSr2Y1-xEuxO4, LiSr2Y1-xTbxO4 and LiSr2Y1-xTmxO4 (0≤x≤1) at room temperature are reported. These samples were synthesized by a solid state reaction. The excitation spectra of Tb3+ emission in LiSr2Y1-xTbxO4 (0≤x≤1) consist of broad bands corresponding to a transition between the 4f8 and 4f75d1 states of Tb3+. The maximum intensity is situated at about 318 nm. This is at a much longer wavelength than those of other Tb3+ doped phosphors. This is explained by a large offset of the adiabatic potential curve of the 4f75d1 state.

KW - Luminescence

KW - Phosphor

KW - Rare earth

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