A novel method of preparation of Y3Al5O12:Cr3+ ceramics and its structural and optical characterization

IF 4.2 3区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY Optical Materials Pub Date : 2025-02-01 Epub Date: 2024-12-11 DOI:10.1016/j.optmat.2024.116535

Kuat K. Kumarbekov , Zhassulan S. Zhilgildinov , Zhakyp T. Karipbayev , Amangeldy M. Zhunusbekov , Erik E. Nurmoldin , Mikhail G. Brik , Yana Suchikova , Meldra Kemere , Anatoli I. Popov , Murat T. Kassymzhanov

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Abstract

Y₃Al₅O₁₂:Cr³⁺ ceramics were prepared by a new method of electron beam synthesis. Special features of this method are the fast speed of synthesis, high phase purity and stoichiometry. The samples were characterized by SEM and XRD methods. After the samples structure was confirmed, the optical measurements of the excitation/emission spectra and luminescence kinetics were performed in a wide temperature range. Characteristic excitation and emission spectral features of the 6-fold coordinated Cr³⁺ ions were detected and investigated; their presence is solid proof of successful doping of the prepared ceramics samples with the trivalent chromium ions. The developed technique of ceramics synthesis can be applied to other samples with different chemical compositions.

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一种制备Y3Al5O12:Cr3+陶瓷的新方法及其结构和光学表征

采用电子束合成的新方法制备了Y3Al5O12:Cr3+陶瓷。该方法的特点是合成速度快、相纯度高、化学计量性好。采用SEM和XRD对样品进行了表征。在确定样品结构后，在较宽的温度范围内进行了激发/发射光谱和发光动力学的光学测量。检测并研究了六重配位Cr3+离子的特征激发和发射光谱特征；它们的存在是制备的陶瓷样品与三价铬离子成功掺杂的坚实证据。所开发的陶瓷合成技术可应用于其他不同化学成分的样品。

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来源期刊

Optical Materials 工程技术-材料科学：综合

CiteScore

6.60

自引率

12.80%

发文量

1265

审稿时长

38 days

期刊介绍： Optical Materials has an open access mirror journal Optical Materials: X, sharing the same aims and scope, editorial team, submission system and rigorous peer review. The purpose of Optical Materials is to provide a means of communication and technology transfer between researchers who are interested in materials for potential device applications. The journal publishes original papers and review articles on the design, synthesis, characterisation and applications of optical materials. OPTICAL MATERIALS focuses on: • Optical Properties of Material Systems; • The Materials Aspects of Optical Phenomena; • The Materials Aspects of Devices and Applications. Authors can submit separate research elements describing their data to Data in Brief and methods to Methods X.