期刊
APPLIED PHYSICS LETTERS
卷 104, 期 15, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4871378
关键词
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资金
- National Natural Science Foundation of China [61378068]
- K.C. Wong Magna Foundation in Ningbo University
Optical temperature sensing properties based on upconversion emission of Er-doped 0.5Ba(Zr0.2Ti0.8)O-3-0.5(Ba0.7Ca0.3)TiO3 ferroelectric ceramics are reported. The fluorescence intensity ratio of green upconversion emissions at 525 and 550 nm in the temperature range of 200-443K was investigated. The maximum sensing sensitivity and temperature resolution were found to be 0.0044 K-1 and 0.4 K, respectively, suggesting that the Er-doped 0.5Ba(Zr0.2Ti0.8)O-3-0.5(Ba0.7Ca0.3)TiO3 ferroelectric ceramic possesses potential application in optical temperature sensing. Ferroelectric and piezoelectric properties were also investigated. These results reveal that the Er-doped 0.5Ba(Zr0.2Ti0.8)O-3-0.5(Ba0.7Ca0.3)TiO3 ferroelectric ceramic is a promising multifunctional sensing material. (C) 2014 AIP Publishing LLC.
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