Alkali-germanate glass-ceramics doped with manganese and chromium ions

Anastasiia Babkina; Ekaterina Kulpina; Kseniia Zyryanova; Andrei Bukhvostov; Natalia Kuzmenko; Alexandre Ignatiev; Victor Klinkov

doi:10.1117/12.2621978

25 May 2022 Alkali-germanate glass-ceramics doped with manganese and chromium ions

Anastasiia Babkina, Ekaterina Kulpina, Kseniia Zyryanova, Andrei Bukhvostov, Natalia Kuzmenko, Alexandre Ignatiev, Victor Klinkov

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Proceedings Volume 12142, Fiber Lasers and Glass Photonics: Materials through Applications III; 121420B (2022) https://doi.org/10.1117/12.2621978
Event: SPIE Photonics Europe, 2022, Strasbourg, France

Abstract

This work is devoted to investigation of the spectral and luminescent properties of lithium-germanate, lithium-sodium germanate and lithium-zinc-germanate glass ceramics obtained by high-temperature heat treatment of the initial glass doped with manganese and chromium ions. It is shown that when sodium is added to Mn-doped lithium germanate glass-ceramics, the luminescence intensity of Mn4+ ions increases from 5 to 37% of the quantum yield. In lithium-zinc-germanate glass-ceramics, the simultaneous presence of Mn4+ ions in an octahedral environment with red luminescence near 670 nm and Mn2+ ions in a tetragonal environment with long persistent green luminescence at 540 nm is found. The maximum quantum yield for red luminescence was 47%, for green luminescence – 23%. The intensity ratio of different luminescence bands depends on the ratio of lithium / zinc ions in the glass composition. In all studied glass-ceramics, Cr3+ ions demonstrate weak luminescence with a maximum in the region of 690–698 nm. The possibility of using the materials under study as a luminescent red radiation source material is considered.

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Anastasiia Babkina, Ekaterina Kulpina, Kseniia Zyryanova, Andrei Bukhvostov, Natalia Kuzmenko, Alexandre Ignatiev, and Victor Klinkov "Alkali-germanate glass-ceramics doped with manganese and chromium ions", Proc. SPIE 12142, Fiber Lasers and Glass Photonics: Materials through Applications III, 121420B (25 May 2022); https://doi.org/10.1117/12.2621978

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