Photoluminescence and thermally stimulated luminescence properties of Ba3Gd(PO4)3 single crystals doped with Dy

IF 3.1 3区物理与天体物理 Q2 Engineering Optik Pub Date : 2025-02-01 Epub Date: 2024-12-18 DOI:10.1016/j.ijleo.2024.172189

Haruaki Ezawa, Yuma Takebuchi, Takumi Kato, Daisuke Nakauchi, Noriaki Kawaguchi, Takayuki Yanagida

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Abstract

The good optical and chemical properties of Ba₃Gd(PO₄)₃ (BGPO) make it an attractive option for use as an optical material. In this study, photoluminescence (PL) and thermally stimulated luminescence (TSL) properties of Dy-doped BGPO single crystals were investigated. The floating zone furnace was utilized to fabricate the bulk Dy-doped BGPO single crystals. Out of all the prepared Dy-doped BGPO single crystals, the 10 % Dy-doped sample exhibited the highest PL quantum yield value. All the prepared Dy-doped BGPO single crystals showed PL and TSL peaks at 310, 480, 580, 670, and 760 nm, resulting from 4f-4f transitions of Gd³⁺ and Dy³⁺. The PL decay profiles had one component with a decay time constant of approximately 0.9 ms in all the prepared Dy-doped BGPO samples. The TSL glow peak of all the prepared Dy-doped BGPO samples located at 75 ℃. The 5 % Dy-doped BGPO sample displayed the highest TSL intensity with the lower detection limit of 0.01 mGy.

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掺杂Dy的Ba3Gd(PO4)3单晶的光致发光和热激发发光性能

Ba3Gd(PO4)3 （BGPO）良好的光学和化学性质使其成为一种有吸引力的光学材料。在本研究中，研究了dy掺杂BGPO单晶的光致发光（PL）和热激发发光（TSL）特性。利用浮区炉制备了块体掺镝BGPO单晶。在所有制备的dy掺杂BGPO单晶中，10 % dy掺杂样品的PL量子产额值最高。制备的BGPO单晶在310,480,580,670和760 nm处出现了PL和TSL峰，这是由Gd3+和Dy3+的4f-4f跃迁引起的。在所有制备的掺镝BGPO样品中，PL衰减谱中有一个组分的衰减时间常数约为0.9 ms。制备的BGPO样品的TSL发光峰均位于75℃。5 % dy掺杂的BGPO样品TSL强度最高，检出限为0.01 mGy。

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来源期刊

Optik 物理-光学

CiteScore

6.90

自引率

12.90%

发文量

1471

审稿时长

46 days

期刊介绍： Optik publishes articles on all subjects related to light and electron optics and offers a survey on the state of research and technical development within the following fields: Optics: -Optics design, geometrical and beam optics, wave optics- Optical and micro-optical components, diffractive optics, devices and systems- Photoelectric and optoelectronic devices- Optical properties of materials, nonlinear optics, wave propagation and transmission in homogeneous and inhomogeneous materials- Information optics, image formation and processing, holographic techniques, microscopes and spectrometer techniques, and image analysis- Optical testing and measuring techniques- Optical communication and computing- Physiological optics- As well as other related topics.