High pressure luminescence and time resolved spectra of La_2Be_2O_5:Pr~(3+)

S. Mahlik; M. Malinowski; M. Grinberg

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High pressure luminescence and time resolved spectra of La_2Be_2O_5:Pr~(3+)

机译：La_2Be_2O_5：Pr〜（3+）的高压发光和时间分辨光谱

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We present luminescence, luminescence excitation and luminescence time resolved spectra of La_2Be_2O_5:Pr~(3+) system. We used high pressure spectroscopy approaches, with high pressure applied in diamond anvil cell (DAC) and sapphire anvil cell (SAC), for detailed analysis of luminescence related to the 4f5d →4F_2 and 4F_2→4F_2 transitions. We present effect of up-converted luminescence related to 4f5d→4F_2 transition excited with 488 nm. We also discussed possibility of existence of praseodymium trapped exciton (PTE) states in La_2Be_2O_5:Pr~(3+) system. Lack of the PTE is attributed to high quantity of bulk modulus of this material.

机译：给出了La_2Be_2O_5：Pr〜（3+）体系的发光，发光激发和发光时间分辨光谱。我们使用高压光谱方法，对金刚石砧盒（DAC）和蓝宝石砧盒（SAC）施加高压，以详细分析与4f5d→4F_2和4F_2→4F_2跃迁相关的发光。我们提出与488 nm激发的4f5d→4F_2跃迁有关的上转换发光的影响。我们还讨论了La_2Be_2O_5：Pr〜（3+）系统中存在trap捕获激子（PTE）状态的可能性。 PTE的缺乏归因于这种材料的高体积模量。

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来源
《Optical Materials》 |2011年第1期|p.164-168|共5页
作者
S. Mahlik; M. Malinowski; M. Grinberg;
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作者单位

Institute of Experimental Physics University of Gdansk Wita Stwosza 57 80-952 Gdansk Poland;

Institute of Micro- and Optoelectronics Warsaw University of Technology Koszykowa 75 00-662 Warsaw Poland;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类
关键词
La2Be2O5:Pr~(3+); high pressure spectroscopy; impurity trapped exciton luminescence;

机译：La2Be2O5：Pr〜（3+）;高压光谱法杂质捕获的激子发光;

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High pressure luminescence and time resolved spectra of La_2Be_2O_5:Pr~(3+)

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