Luminescence of Bi3+ ions in GGG epitaxial films

A. Luchechko, I. Syvorotka, Y. Zakharko, I. Syvorotka
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引用次数: 1

Abstract

Absorption, emission spectra under UV and X-ray excitations, as well as luminescence decay kinetics of GGG:Bi single crystalline films were studied. The emission spectra observed in the spectral region 350–700 nm at room temperature consist two elementary bands peaked at 446 and 521 nm. The influence of growth conditions on the optical-luminescent properties of GGG: Bi3+ garnet have been revealed. The ratio of the bands intensities in luminescence spectra under different types of excitation and their temperature dependencies were determined.
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GGG外延薄膜中Bi3+离子的发光特性
研究了GGG:Bi单晶薄膜在紫外和x射线激发下的吸收光谱、发射光谱以及发光衰减动力学。在350 ~ 700 nm的室温光谱区观测到的发射光谱包括两个基本波段,峰值在446和521 nm处。揭示了生长条件对GGG: Bi3+石榴石光学发光性能的影响。测定了不同激发方式下发光光谱中各波段强度的比值及其与温度的关系。
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