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2012•Bulletin of the Lebedev Physics InstituteRequires access

Luminescence centers in silicate and germanate glasses activated by bismuth

Alexander A. Veber, Olga V. Usovich, Lev A. Trusov, Pavel E. Kazin, В.Б. Цветков

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Abstract

Concentration series of silicate and germanate glasses activated by bismuth are studied. It is shown that luminescence in the IR region is controlled by several active centers related to bismuth. Based on a comparison of spectroscopic characteristics of the studied glasses with the data previously obtained for chloride glass, the observed centers were identified as Bi+, Bi 2 4+ , and Bi 5 3+ in germanate glass and Bi+, Bi 2 4+ in silicate glass.

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Concentration series of silicate and germanate glasses activated by bismuth are studied. It is shown that luminescence in the IR region is controlled by several active centers related to bismuth. Based on a comparison of spectroscopic characteristics of the studied glasses with the data previously obtained for chloride glass, the observed centers were identified as Bi+, Bi 2 4+ , and Bi 5 3+ in germanate glass and Bi+, Bi 2 4+ in silicate glass.

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Available abstract

Concentration series of silicate and germanate glasses activated by bismuth are studied. It is shown that luminescence in the IR region is controlled by several active centers related to bismuth. Based on a comparison of spectroscopic characteristics of the studied glasses with the data previously obtained for chloride glass, the observed centers were identified as Bi+, Bi 2 4+ , and Bi 5 3+ in germanate glass and Bi+, Bi 2 4+ in silicate glass.

Key concepts: Bismuth germanate, Germanate, Bismuth, Silicate glass, Silicate, Luminescence, Materials science, Mineralogy

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