Anti-Stokes Luminescence in BaY2F8 Crystals with Coactivation by Tb3+ and Yb3+ Ions

IF 0.48 Q4 Physics and Astronomy Bulletin of the Russian Academy of Sciences: Physics Pub Date : 2025-03-18 DOI:10.1134/S1062873824710468

A. M. Zubareva, A. A. Shakirov, T. M. Minnebaev, E. I. Oleinikova, A. G. Nikolaev, A. G. Kiiamov, A. S. Nizamutdinov

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Abstract

Spectral-kinetic characteristics of BaY₂F₈:Tb³⁺–Yb³⁺ in anti-Stokes luminescence processes with excitation at a wavelength of 980 nm were studied. Luminescence occurs up to UV range at transitions ⁵D₃ → ⁷F_j (j = 4, 5, 6) due to energy transfer processes from ytterbium ions to terbium ions and multiphoton excitation. The power index of the dependence of the luminescence intensity on the power of the pulse excitation was measured, which is equal to 2.27 and 2 for the ⁵D₄ and ⁵D₃ levels, respectively. The quantum yield of anti-Stokes luminescence of crystals with coactivation by Tb³⁺–Yb³⁺ ions was measured, which is equal to 0.004, 0.03 and 0.014% for, respectively, 2, 5 and 10 at % concentration of ytterbium ions.

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Tb3+和Yb3+离子共激活BaY2F8晶体的抗stokes发光

在波长为 980 纳米的激发下，研究了 BaY2F8:Tb3+-Yb3+ 在反斯托克斯发光过程中的光谱-动力学特性。由于从镱离子到铽离子的能量转移过程和多光子激发，在跃迁 5D3 → 7Fj （j = 4、5、6）处发生了紫外范围内的发光。测量了发光强度与脉冲激发功率相关的功率指数，5D4 和 5D3 水平的功率指数分别为 2.27 和 2。测量了 Tb3+-Yb3+ 离子协同激活晶体的反斯托克斯发光量子产率，镱离子浓度为 2%、5% 和 10%时，其量子产率分别为 0.004%、0.03% 和 0.014%。

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来源期刊

Bulletin of the Russian Academy of Sciences: Physics Physics and Astronomy-Physics and Astronomy (all)

CiteScore

0.90

自引率

0.00%

发文量

251

期刊介绍： Bulletin of the Russian Academy of Sciences: Physics is an international peer reviewed journal published with the participation of the Russian Academy of Sciences. It presents full-text articles (regular, letters to the editor, reviews) with the most recent results in miscellaneous fields of physics and astronomy: nuclear physics, cosmic rays, condensed matter physics, plasma physics, optics and photonics, nanotechnologies, solar and astrophysics, physical applications in material sciences, life sciences, etc. Bulletin of the Russian Academy of Sciences: Physics focuses on the most relevant multidisciplinary topics in natural sciences, both fundamental and applied. Manuscripts can be submitted in Russian and English languages and are subject to peer review. Accepted articles are usually combined in thematic issues on certain topics according to the journal editorial policy. Authors featured in the journal represent renowned scientific laboratories and institutes from different countries, including large international collaborations. There are globally recognized researchers among the authors: Nobel laureates and recipients of other awards, and members of national academies of sciences and international scientific societies.