Room-Temperature Persistent Spectral Hole Burning of CaCl2-Based Aluminoborate Glasses Codoped with Eu2+ and Eu3+ Ions
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概要
- 論文の詳細を見る
Oxychloride aluminoborate glasses with nominal compositions of ($100 - x$)(30CaCl2–20Al2O3–50B2O3)–$x$Eu2O3 (mol %, $x = 0.5$, 1, 1.5, 2, 3, 4, and 5) were prepared from molten mixtures at 1473 K in ambient atmosphere together with CaO- and CaF2-based ones. Self-reduction from Eu3+ to Eu2+ partially took place only on the CaCl2-based glasses and good persistent spectral hole burning (PSHB) characteristics were observed from 10 to 300 K. No obvious hole peak was detected on the CaO- or CaF2-based glasses even at 10 K. The mechanism of self-reduction for the Eu3+ ion was discussed, as well as the hole burning characteristics of the CaCl2-based glasses.
- 2006-12-25
著者
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Machida Ken-ichi
Center For Advanced Science And Innovation Osaka University
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Horikawa Takashi
Center For Advanced Science And Innovation Osaka University
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Liang Hailian
Center For Advanced Science And Innovation Osaka University
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HANZAWA Hiromasa
Division of Materials Physics, Graduate School of Engineering, Science, Osaka University
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Horikawa Takashi
Center for Advanced Science and Innovation, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan
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Hanzawa Hiromasa
Division of Materials Physics, Graduate School of Engineering Science, Osaka University, 1-3 Machikaneyama-cho, Toyonaka, Osaka 560-8531, Japan
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