Spectroscopy of bismuth-doped lead–aluminum–germanate glass and
yttrium–aluminum–silicate glass

Hughes, MA; Suzuki, T; Ohishi, Y

Abstract

In this work we make a comparison between the spectroscopy of bismuth-doped lead–aluminum–
germanate (Bi:PAG) glass and bismuth-doped yttrium–aluminum–silicate (Bi:YAS) glass. We report the
variation in Bi absorption, emission and lifetime as the PbO, Bi2O3 and Y2O3 contents of the two glass systems
were varied. As PbO and Y2O3 contents were increased the absorption strength of Bi decreased in both Bi:
PAG and Bi:YAS glasses. This is because they both increase the optical basicity of the glasses. Higher optical
basicity favors higher Bi oxidation states which may be optically inactive. In Bi:YAS the Bi absorption
strength had a quadratic dependence on Bi2O3 content. This suggested that Bi2 dimers are the origin of Bi
emission. In contrast to Bi:YAS glass, Bi:PAG glass had a non-monotonic color change with increasing Bi2O3
content, switching back and forth between yellow and pink. The yellow glasses were characterized by an
isolated absorption band at 350–380 nm without the 500 and 700 nm absorption bands that were observed
in the pink glasses. This was evidence that the 350–380 nm absorption band was related to a different Bi
absorption center than the other absorption bands.

Citation

yttrium–aluminum–silicate glass. Journal of Non-Crystalline Solids, 356(44-49), 2302-2309. https://doi.org/10.1016/j.jnoncrysol.2010.03.043

• Journal Article Type: Article
• Acceptance Date: Mar 20, 2010
• Publication Date: Aug 25, 2010
• Deposit Date: Nov 11, 2015
• Journal: Journal of Non-Crystalline Solids
• Print ISSN: 0022-3093
• Electronic ISSN: 1873-4812
• Publisher: Elsevier
• Volume: 356
• Issue: 44-49
• Pages: 2302-2309
• DOI: https://doi.org/10.1016/j.jnoncrysol.2010.03.043
• Publisher URL: http://dx.doi.org/10.1016/j.jnoncrysol.2010.03.043
• Related Public URLs: http://www.journals.elsevier.com/journal-of-non-crystalline-solids/
• Additional Information: Funders : MEXT