| Gd2 SiO5:Eu3+ 的VUV-UV光谱特性 |
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| 引用本文： | 陈永虎,施朝淑,魏亚光,陶冶. Gd2 SiO5:Eu3+ 的VUV-UV光谱特性[J]. 核技术, 2002, 25(10): 788-792 |
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| 作者姓名： | 陈永虎 施朝淑 魏亚光 陶冶 |
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| 作者单位： | 1. 中国科学技术大学国家同步辐射实验室,合肥,230029
2. 中国科学院高能物理研究所,北京,100039 |
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| 基金项目： | 国家自然科学基金 (5 9732 0 4 0 )，BSRF用户重点课题资助 |
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| 摘 要： | 本文介绍了利用同步辐射光源对Gd2SiO5:Eu^3 的VUV－UV光谱特性进行的研究。重点讨论了在低温（10K）及室温下Gd2SiO5:Eu^3 中存在的各种能量传递过程，包括基质向Eu^3 ,Gd^3向Eu^3 的传递以及两种不同格位Eu^3 离子之间的能量传递。另一方面从探索新型量子剪裁材料的角度对比了186nm和276nm激发下的发射谱，指出Gd2SiO5:Eu^3 中可以发生有效的量子剪裁。
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| 关 键 词： | VUV－UV 光谱特性 Gd2SiO5：Eu^3＋ 能量传递 量子剪裁 硅酸钆 重闪烁体 铕（Ⅲ） 掺杂 |
| 修稿时间： | 2002-08-10 |
The spectral characteristics of Gd2SiO5:Eu3+ in VUV-UV range |
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| CHEN Yonghu SHI Chaoshu WEI Yaguang TAO Ye. The spectral characteristics of Gd2SiO5:Eu3+ in VUV-UV range[J]. Nuclear Techniques, 2002, 25(10): 788-792 |
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| Authors: | CHEN Yonghu SHI Chaoshu WEI Yaguang TAO Ye |
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| Affiliation: | CHEN Yonghu 1 SHI Chaoshu 1 WEI Yaguang 1 TAO Ye 2 1 |
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| Abstract: | Synchrotron radiation source was used to investigate the spectral characteristics of Gd 2SiO 5:Eu 3+ in VUV-UV range. The various energy transfers at room temperature and 10K, including from host or Gd 3+ ions to Eu 3+ ions and transfer between Eu 3+ ions at two different lattice sites, were discussed. In addition the emission spectra under 186nm and 276nm excitation were compared from the view of quantum cutting. The results indicate that Gd 2SiO 5:Eu 3+ is a kind of material with potential high efficiency quantum cutting. |
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| Keywords: | Gd 2SiO 5:Eu 3+ Energy transfer Quantum cutting |
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