New Luminescent BaBi2 – xEuxB2O7 Glassmaterials


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Abstract

Bi-containing glasses BaBi2 – xEuxB2O7 (x = 0.00, 0.05, 0.10, 0.20, 0.30, 0.40, 0.50) doped with Eu3+ is obtained. The dependence of the integral intensity of the luminescence on the Eu3+ concentration is revealed. The luminescence quenching starts at the Eu3+ concentrations above 0.20. Other conditions being equal, the maximum luminescence intensity is observed in the BaBi1.5Eu0.5B2O7 specimen. It is shown that the local environment of Eu3+ ions does not depend on the Eu3+ ion content in the studied concentration range.

About the authors

A. P. Shablinskii

Grebenshchikov Institute of Silicate Chemistry, Russian Academy of Sciences; St. Petersburg State University

Email: rimma_bubnova@mail.ru
Russian Federation, St. Petersburg, 199034; St. Petersburg, 199034

A. V. Povolotskii

St. Petersburg State University

Email: rimma_bubnova@mail.ru
Russian Federation, St. Petersburg, 199034

I. A. Drozdova

Grebenshchikov Institute of Silicate Chemistry, Russian Academy of Sciences

Email: rimma_bubnova@mail.ru
Russian Federation, St. Petersburg, 199034

I. E. Kolesnikov

St. Petersburg State University

Email: rimma_bubnova@mail.ru
Russian Federation, St. Petersburg, 199034

R. S. Bubnova

Grebenshchikov Institute of Silicate Chemistry, Russian Academy of Sciences; St. Petersburg State University

Author for correspondence.
Email: rimma_bubnova@mail.ru
Russian Federation, St. Petersburg, 199034; St. Petersburg, 199034

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