Europium doped strontium borate glasses and their optical properties

A. S. Aleksandrovsky; A. S. Krylov; A. V. Malakhovskii; A. M. Potseluyko; A. I. Zaitsev; A. V. Zamkov

doi:10.1016/j.jpcs.2004.05.009

Europium doped strontium borate glasses and their optical properties

A. S. Aleksandrovsky, A. S. Krylov, A. V. Malakhovskii, A. M. Potseluyko, A. I. Zaitsev, A. V. Zamkov

Department of Chemistry

RAS - Kirensky Institute of Physics, Siberian Branch

Research output: Contribution to journal › Article › peer-review

28 Scopus citations

Abstract

Optical absorption and luminescence spectra of europium doped strontium borate glasses prepared in different conditions are studied. It is found that the percentage of Eu³⁺ ions varies from 100 to 30% being controlled by the conditions of preparation. The mechanism, favoring reduction of europium to Eu²⁺ state in polycrystalline strontium tetraborate, is much weaker in glasses of the same composition. In samples containing mixed valence europium at densities of 8×10²⁰ cm^-3, the efficient transfer of optical excitation from Eu³⁺ to Eu²⁺, suppressing the Eu³⁺ luminescence, has been found. The most reliable way of monitoring the percentage of europium ions in different valences for strontium borate glasses is the measuring of absorption at f-f transition ⁷F₀→⁵D₂ of Eu³⁺.

Original language	English
Pages (from-to)	75-79
Number of pages	5
Journal	Journal of Physics and Chemistry of Solids
Volume	66
Issue number	1
DOIs	https://doi.org/10.1016/j.jpcs.2004.05.009
State	Published - Jan 2005

Bibliographical note

Funding Information:
A.V. Malakhovskii is grateful to the Israel Ministry of Absorption for a KAMEA scholarship. This work has been partially supported by Russian Foundation for Basic Research (Grant No. 02-02-16428), by Russian Ministry of Industry and Science (Grant NSH-939.2003.2) and by the Program of the Russian Academy of Sciences (Project No. 9). A.S. Krylov and A.M. Potseluyko are also grateful for the support from Russian Science Support Foundation.

Funding

A.V. Malakhovskii is grateful to the Israel Ministry of Absorption for a KAMEA scholarship. This work has been partially supported by Russian Foundation for Basic Research (Grant No. 02-02-16428), by Russian Ministry of Industry and Science (Grant NSH-939.2003.2) and by the Program of the Russian Academy of Sciences (Project No. 9). A.S. Krylov and A.M. Potseluyko are also grateful for the support from Russian Science Support Foundation.

Funders	Funder number
Israel Ministry of Absorption
Russian Ministry of Industry and Science	NSH-939.2003.2
Russian Science Support Foundation
Russian Foundation for Basic Research	02-02-16428
Russian Academy of Sciences

Keywords

A. Non-crystalline materials
A. Optical materials
D. Optical properties

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10.1016/j.jpcs.2004.05.009

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abstract = "Optical absorption and luminescence spectra of europium doped strontium borate glasses prepared in different conditions are studied. It is found that the percentage of Eu3+ ions varies from 100 to 30% being controlled by the conditions of preparation. The mechanism, favoring reduction of europium to Eu2+ state in polycrystalline strontium tetraborate, is much weaker in glasses of the same composition. In samples containing mixed valence europium at densities of 8×1020 cm-3, the efficient transfer of optical excitation from Eu3+ to Eu2+, suppressing the Eu3+ luminescence, has been found. The most reliable way of monitoring the percentage of europium ions in different valences for strontium borate glasses is the measuring of absorption at f-f transition 7F0→5D2 of Eu3+.",

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note = "Funding Information: A.V. Malakhovskii is grateful to the Israel Ministry of Absorption for a KAMEA scholarship. This work has been partially supported by Russian Foundation for Basic Research (Grant No. 02-02-16428), by Russian Ministry of Industry and Science (Grant NSH-939.2003.2) and by the Program of the Russian Academy of Sciences (Project No. 9). A.S. Krylov and A.M. Potseluyko are also grateful for the support from Russian Science Support Foundation.",

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AU - Aleksandrovsky, A. S.

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AU - Zaitsev, A. I.

AU - Zamkov, A. V.

N1 - Funding Information: A.V. Malakhovskii is grateful to the Israel Ministry of Absorption for a KAMEA scholarship. This work has been partially supported by Russian Foundation for Basic Research (Grant No. 02-02-16428), by Russian Ministry of Industry and Science (Grant NSH-939.2003.2) and by the Program of the Russian Academy of Sciences (Project No. 9). A.S. Krylov and A.M. Potseluyko are also grateful for the support from Russian Science Support Foundation.

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N2 - Optical absorption and luminescence spectra of europium doped strontium borate glasses prepared in different conditions are studied. It is found that the percentage of Eu3+ ions varies from 100 to 30% being controlled by the conditions of preparation. The mechanism, favoring reduction of europium to Eu2+ state in polycrystalline strontium tetraborate, is much weaker in glasses of the same composition. In samples containing mixed valence europium at densities of 8×1020 cm-3, the efficient transfer of optical excitation from Eu3+ to Eu2+, suppressing the Eu3+ luminescence, has been found. The most reliable way of monitoring the percentage of europium ions in different valences for strontium borate glasses is the measuring of absorption at f-f transition 7F0→5D2 of Eu3+.

AB - Optical absorption and luminescence spectra of europium doped strontium borate glasses prepared in different conditions are studied. It is found that the percentage of Eu3+ ions varies from 100 to 30% being controlled by the conditions of preparation. The mechanism, favoring reduction of europium to Eu2+ state in polycrystalline strontium tetraborate, is much weaker in glasses of the same composition. In samples containing mixed valence europium at densities of 8×1020 cm-3, the efficient transfer of optical excitation from Eu3+ to Eu2+, suppressing the Eu3+ luminescence, has been found. The most reliable way of monitoring the percentage of europium ions in different valences for strontium borate glasses is the measuring of absorption at f-f transition 7F0→5D2 of Eu3+.

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Europium doped strontium borate glasses and their optical properties

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