期刊
JOURNAL OF APPLIED PHYSICS
卷 116, 期 1, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4886575
关键词
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资金
- National Natural Science Foundation of China [61378068]
- K. C. Wong Magna Foundation in Ningbo University
Upconversion emissions of Er-doped and Er/Yb-codoped Na0.5Bi0.5TiO3 have been studied. Under 980 nm excitation, all samples exhibit strong green and red upconversion emissions, which can be seen by naked eyes. The Er/Yb-codoped Na0.5Bi0.5TiO3 ceramic has stronger upconversion emission intensity than Er-doped Na0.5Bi0.5TiO3 ceramic. Additionally, the optical temperature sensing properties based on upconversion emissions of Er/Yb-codoped Na0.5Bi0.5TiO3 ceramic were also investigated. The results demonstrate that the maximum sensitivity and temperature sensing resolution were 0.0031 K-1 and 0.3K respectively, suggesting that the Er/Yb-codoped Na0.5Bi0.5TiO3 has potential application as optical temperature sensing materials. (C) 2014 AIP Publishing LLC.
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