Luminescence properties of Tb3+-activated K2O–La2O3–Ga2O3 glasses

被引：0

作者：

Kawano, Naoki ^{[1
]}

Shinozaki, Kenji ^{[2
,3
]}

Nakauchi, Daisuke ^{[4
]}

Kato, Takumi ^{[4
]}

Takebuchi, Yuma ^{[4
]}

Fukushima, Hiroyuki ^{[5
]}

Yanagida, Takayuki ^{[4
]}

机构：

[1] Graduate School of Engineering Science, Akita University, 1-1Tegata Gakuen-machi, Akita, Akita,010-8502, Japan

[2] National Institute of Advanced Industrial Science and Technology (AIST), 1-8-31 Midorigaoka, Ikeda, Osaka,563-8577, Japan

[3] Osaka University, 1-1 Yamadaoka, Suita-shi, Osaka,565-0871, Japan

[4] Graduate School of Science and Technology, Nara Institute of Science and Technology, 8916-5 Takayama-cho, Ikoma, Nara,630-0192, Japan

[5] National Institute of Technology, Fukui College, Geshi, Fukui, Sabae,916-8507, Japan

来源：

Optical Materials: X | 2024年 / 23卷

关键词：

4f - 4f Transitions - Gallate - Gallate glass - Glow peaks - High intensity - Luminescence properties - Peak intensity - Tb - Thermoluminescence peaks - X ray radiation;

D O I：

10.1016/j.omx.2024.100344

中图分类号：

学科分类号：

摘要：

Photoluminescence, scintillation, and thermoluminescence characteristics of the Tb3+-activated gallate glasses (20K2O–(11-x/2)La2O3–69Ga2O3–x/2Tb4O7, x = 0.1–1.0) were investigated. The Tb3+-activated gallate glasses exhibited photoluminescence with some peaks at approximately 490, 540, 595, and 625 nm that were attributable to the 4f→4f transition of Tb3+. These peaks also appeared under X-ray radiation, and the x = 1.0 gallate glass showed the highest intensity. Moreover, a broad thermoluminescence glow peak appeared at 90 °C, and the thermoluminescence peak intensity decreased with increasing the Tb concentration. A complimentary relation between the scintillation and thermoluminescence intensity was observed. © 2024 The Authors

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