Growth, luminescence, and Judd-Ofelt analysis of Pr3+ doped Bi3TeBO9 single crystal

IF 3.3 3区物理与天体物理 Q2 OPTICS

Journal of Luminescence Pub Date : 2024-12-20 DOI:10.1016/j.jlumin.2024.121043

Weimin Dong , Yingjie Sun , Jing Li , Xinguang Xu , Victor Petrov , Jiyang Wang

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引用次数: 0

Abstract

A Pr³⁺:Bi₃TeBO₉ (Pr:BTBO) single crystal with a high Pr³⁺-doping concentration (1.85 × 10²¹ ions/cm³) was grown by the top-seeded solution growth (TSSG) method. The absorption and emission spectrum were measured at room temperature and the spectroscopic parameters were calculated based on the Judd-Ofelt (J-O) theory. The results show that Pr:BTBO crystal has a large absorption cross-section of 2.009 × 10⁻²⁰ cm² with broad full widths at half maximum (FWHM) of 11.73 nm at 448 nm. The emission cross-section for ³P₀→³F₂ at 647 nm was calculated to be 7.06 × 10⁻¹⁹ cm², which is larger than most Pr³⁺-doped oxide crystals. Despite the high Pr³⁺ doping concentration of Pr:BTBO, its fluorescence lifetime (958.9ns) and quantum efficiency (14.3 %) of the ³P₀ level are still larger than those of most Pr³⁺-doped borate crystals. In addition, the optical gain for ³P₀→³F₂ as well as the chromaticity coordinates and color purity of the fluorescence spectrum, were also evaluated. The present work suggests that Pr:BTBO crystal was a potential candidate for visible solid-state lasers.

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来源期刊

Journal of Luminescence 物理-光学

CiteScore

6.70

自引率

13.90%

发文量

850

审稿时长

3.8 months

期刊介绍： The purpose of the Journal of Luminescence is to provide a means of communication between scientists in different disciplines who share a common interest in the electronic excited states of molecular, ionic and covalent systems, whether crystalline, amorphous, or liquid. We invite original papers and reviews on such subjects as: exciton and polariton dynamics, dynamics of localized excited states, energy and charge transport in ordered and disordered systems, radiative and non-radiative recombination, relaxation processes, vibronic interactions in electronic excited states, photochemistry in condensed systems, excited state resonance, double resonance, spin dynamics, selective excitation spectroscopy, hole burning, coherent processes in excited states, (e.g. coherent optical transients, photon echoes, transient gratings), multiphoton processes, optical bistability, photochromism, and new techniques for the study of excited states. This list is not intended to be exhaustive. Papers in the traditional areas of optical spectroscopy (absorption, MCD, luminescence, Raman scattering) are welcome. Papers on applications (phosphors, scintillators, electro- and cathodo-luminescence, radiography, bioimaging, solar energy, energy conversion, etc.) are also welcome if they present results of scientific, rather than only technological interest. However, papers containing purely theoretical results, not related to phenomena in the excited states, as well as papers using luminescence spectroscopy to perform routine analytical chemistry or biochemistry procedures, are outside the scope of the journal. Some exceptions will be possible at the discretion of the editors.