Toward germanate ceramics Li2AGeO4:Nd3+ (A = Zn, Mg) emitting near-infrared radiation

IF 3.5 3区材料科学 Q1 MATERIALS SCIENCE, CERAMICS

Journal of the American Ceramic Society Pub Date : 2024-12-25 DOI:10.1111/jace.20334

Joanna Pisarska, Nikola Bednarska-Adam, Marta Kuwik, Tomasz Goryczka, Bogusław Macalik, Wojciech A. Pisarski

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引用次数: 0

Abstract

Germanate ceramics Li₂ZnGeO₄:Nd³⁺ and Li₂MgGeO₄:Nd³⁺ have been studied for near-infrared (IR) luminescence applications. The phase identification showed that both ceramic compounds crystallized in a monoclinic lattice, characteristic of a broad family of germanate olivines. Near-IR luminescence spectra have been analyzed for Li₂AGeO₄:Nd³⁺ (A = Zn, Mg) under different excitation wavelengths. Near-IR emission bands observed in the second biological window correspond to the ceramic host as well as ⁴F_3/2 → ⁴I_11/2 and ⁴F_3/2 → ⁴I_13/2 transitions of Nd³⁺ ions, respectively. Based on luminescence spectra and their decays, several spectroscopic parameters for un-doped and Nd³⁺-doped ceramic samples were determined. The experimental results for germanate olivines containing Nd³⁺ ions suggest that ceramic host gives important contribution to near-IR luminescence at second biological window.

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来源期刊

Journal of the American Ceramic Society 工程技术-材料科学：硅酸盐

CiteScore

7.50

自引率

7.70%

发文量

590

审稿时长

2.1 months

期刊介绍： The Journal of the American Ceramic Society contains records of original research that provide insight into or describe the science of ceramic and glass materials and composites based on ceramics and glasses. These papers include reports on discovery, characterization, and analysis of new inorganic, non-metallic materials; synthesis methods; phase relationships; processing approaches; microstructure-property relationships; and functionalities. Of great interest are works that support understanding founded on fundamental principles using experimental, theoretical, or computational methods or combinations of those approaches. All the published papers must be of enduring value and relevant to the science of ceramics and glasses or composites based on those materials. Papers on fundamental ceramic and glass science are welcome including those in the following areas: Enabling materials for grand challenges[...] Materials design, selection, synthesis and processing methods[...] Characterization of compositions, structures, defects, and properties along with new methods [...] Mechanisms, Theory, Modeling, and Simulation[...] JACerS accepts submissions of full-length Articles reporting original research, in-depth Feature Articles, Reviews of the state-of-the-art with compelling analysis, and Rapid Communications which are short papers with sufficient novelty or impact to justify swift publication.