Cooperative Energy Transfer between Two Neighboring Eu3+ Ions and Energy Transfers from Eu2+ to Eu3+ and from Eu3+ to Yb3+ in Crystals for Quantum Cutting

被引：2
|
作者：
Tsuboi, Taiju [1 ,2 ]
Qiao, Xuebin [3 ]
机构：
[1] Zhejiang Univ, Dept Polymer Sci & Engn, Hangzhou 310027, Peoples R China
[2] Kyoto Sangyo Univ, Kamigamo, Kyoto 6038555, Japan
[3] Jiangsu Normal Univ, Sch Phys & Elect Engn, Jiangsu Key Lab Adv Laser Mat & Devices, Xuzhou 221116, Peoples R China
来源：
ECS JOURNAL OF SOLID STATE SCIENCE AND TECHNOLOGY | 2023年 / 12卷 / 06期
关键词：
CONVERSION; EMISSION;
D O I：
10.1149/2162-8777/acdd97
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Energy transfer between Eu2+ and Eu3+ ions is examined in CaF2 crystal at not only room temperature but also 12 K. Energy transfer from Eu2+ to Eu3+ is confirmed. The reverse energy transfer from Eu3+ to Eu2+, however, is confirmed to be undetectable. Cooperative energy transfer between two neighboring Eu3+ ions in Eu3+-doped LiYb1-xEux(MoO4)(2) crystal, which is combined with Eu-O charge transfer complex resonantly, is found to be responsible for the 1000 nm near infrared broadband emission from Yb3+ ions through the quantum cutting from the D-5(2) excited state of Eu3+.
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页数：6
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