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Persistent spectral hole burning and local structure of Eu3+ ions doped in BaO–PbO–P2O5 glasses

Published online by Cambridge University Press:  31 January 2011

Shunsuke Ito
Affiliation:
Nagoya Institute of Technology, Showa Nagoya, 466–8555 Japan
Tomokatsu Hayakawa
Affiliation:
Nagoya Institute of Technology, Showa Nagoya, 466–8555 Japan
Toshihiro Kasuga
Affiliation:
Nagoya Institute of Technology, Showa Nagoya, 466–8555 Japan
Masayuki Nogami
Affiliation:
Nagoya Institute of Technology, Showa Nagoya, 466–8555 Japan
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Abstract

Persistent spectral hole burning was observed in Eu3+-doped BaO–PbO–P2O5 glasses, and the dependence of hole properties on the glass composition was investigated in relation to the local structure surrounding the Eu3+ ions. The hole was burned on the 7F05D0 transition of the Eu3+ ions, the depth of which decreased with increasing PbO content, whereas the hole width increased. The hole was burned at 6 K, filled on increase in temperature, and erased above 120 K. Judd–Ofelt parameters and fluorescence line-narrowing spectra indicated that the symmetry of the Eu3+ site increases and the covalency of the Eu–O bond decreases with increasing PbO content.

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Articles
Copyright
Copyright © Materials Research Society 1999

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