Long Lasting Phosphorescence of Calcium Aluminosilicate Glasses Doped with Eu2+.
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- KAWASAKI Mitsuharu
- Dept. of Mater. Chem., Kyoto Univ.
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- TANABE Setsuhisa
- Dept. of Mater. Chem., Kyoto Univ.
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- TANAKA Katsuhisa
- Dept. of Mater. Chem., Kyoto Univ.
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- QIU Jianrong
- Hirao Active Glass Project, ERATO
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- HIRAO Kazuyuki
- Dept. of Mater. Chem., Kyoto Univ. Hirao Active Glass Project, ERATO
Bibliographic Information
- Other Title
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- Eu`2+´含有カルシウムアルミノケイ酸塩ガラスの長残光性蛍光
- Eu 2 ガンユウ カルシウム アルミノケイ サンエン ガラス ノ チョウ ザンコウセイ ケイコウ
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Abstract
Long lasting phosphorescence has been observed in CaO-Al2O3-SiO2 glasses doped with Eu2+ and Nd3+ after irradiation with an Hg lamp. The emission is due to the 4f-5d transition of Eu2+. The phosphorescence wavelength varies from 500 to 600nm, depending on the glass composition. The variation of phosphorescence wavelength is caused by the change of environment around Eu2+ ions with glass composition. Analyses of thermoluminescence glow curves reveal that the depth of electron or hole trap level which contributes to the phosphorescence process ranges from 0.50 to 0.81eV. It is thought that these are suitable values for the occurrence of thermoluminescence at around room temperature which results in the long lasting phosphorescence.
Journal
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- Journal of the Society of Materials Science, Japan
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Journal of the Society of Materials Science, Japan 48 (6), 531-534, 1999
The Society of Materials Science, Japan
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Details 詳細情報について
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- CRID
- 1390282680369765888
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- NII Article ID
- 110002293778
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- NII Book ID
- AN00096175
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- ISSN
- 18807488
- 05145163
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- NDL BIB ID
- 4766662
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- Text Lang
- ja
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- Data Source
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- Abstract License Flag
- Disallowed