Conference 2 – X Ukrainian scientific conference on physics of semiconductors (USCPS-10)

X Ukrainian scientific conference on physics of semiconductors (USCPS-10) was held on may 26-30, 2025, Uzhhorod, Ukraine. Dedicated to 100 th anniversary from the birthday of Prof. P.I. Baransky and the 75 th the founding of the Faculty of Physics and Mathematics of UzhNU

 

During the conference, one of our consortium members presented the research on Cr4+:YAG laser ceramics:

 

Peculiar Behavior of Cr3+ Luminescence in Cr:GGG Transparent Nanoceramics

Mykhailo Chaika* and Paweł Głuchowski

Institute of Low temperature and Structure Research, Polish Academy of Sciences, Okólna 2, 50 – 422 Wroclaw, Poland

 

Abstract: In recent years, Cr-doped garnets have attracted considerable attention due to their unique properties. However, interpreting the spectroscopic features of Cr3+ ions in garnet structure remains challenging, primarily because of the wide variation in crystal field strength, which results in Cr3+ ions occupying octahedral sites with different local environments. This complexity is also relevant for nanostructured materials such as Cr3+-doped nanopowders. Despite extensive studies, many questions regarding the luminescence behavior of Cr3+ ions in such nanomaterials remain unclear. In this work, we report on the optical properties of Cr3+:GGG (Gadolinium Gallium Garnet) nanoceramics synthesized using high isostatic pressure (HIP) method at relatively low temperature.

 

Link to the conference: USCPS

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