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Spectral properties of Ce3+ doped yttrium lanthanum oxide transparent ceramics |
| Yang Qiu-Hong(杨秋红)†, Zhou Hong-Xu(周洪旭), and Lu Shen-Zhou(陆神洲) |
| School of Materials Science and Engineering, Shanghai University, Shanghai 200072, China |
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Abstract Ce3+-doped yttrium lanthanum oxide (Y0.9La0.1)2O3 transparent ceramics is fabricated with nanopowders and sintered in H2 atmosphere. The spectral properties of Ce:(Y0.9La0.1)2O3 transparent ceramics are investigated. There appear two characteristic absorption peaks of Ce3+ ions at 230 nm and 400 nm, separately. It is found that Ce3+ ions can efficiently produce emission at 384 nm from (Y0.9La0.1)2O3 transparent ceramic host, while the emission is completely quenched in Re2O3 (Re=Y, Lu, La) host materials.
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Received: 27 April 2009
Revised: 21 July 2009
Accepted manuscript online:
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PACS:
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81.20.-n
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(Methods of materials synthesis and materials processing)
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61.72.S-
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(Impurities in crystals)
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78.55.Hx
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(Other solid inorganic materials)
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78.40.Ha
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(Other nonmetallic inorganics)
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81.05.Je
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(Ceramics and refractories (including borides, carbides, hydrides, nitrides, oxides, and silicides))
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| Fund: Project supported by the National
Natural Science Foundation of China (Grant No.~60578041), and the
Shanghai Leading Academic
Disciplines (Grant No.~S30107). |
Cite this article:
Yang Qiu-Hong(杨秋红), Zhou Hong-Xu(周洪旭), and Lu Shen-Zhou(陆神洲) Spectral properties of Ce3+ doped yttrium lanthanum oxide transparent ceramics 2010 Chin. Phys. B 19 020701
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