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Optical temperature sensor based on upconversion emission in Er-doped ferroelectric 0.5Ba(Zr0.2Ti0.8)O3-0.5(Ba0.7Ca0.3)TiO3 ceramic
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Optical temperature sensing properties based on upconversion emission of Er-doped 0.5Ba(Zr0.2Ti0.8)O3-0.5(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 200–443 K 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)O3- 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)O3-0.5(Ba0.7Ca0.3)TiO3 ferroelectric ceramic is a promising multifunctional sensing material.
AIP Publishing
Title: Optical temperature sensor based on upconversion emission in Er-doped ferroelectric 0.5Ba(Zr0.2Ti0.8)O3-0.5(Ba0.7Ca0.3)TiO3 ceramic
Description:
Optical temperature sensing properties based on upconversion emission of Er-doped 0.
5Ba(Zr0.
2Ti0.
8)O3-0.
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 200–443 K 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)O3- 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)O3-0.
5(Ba0.
7Ca0.
3)TiO3 ferroelectric ceramic is a promising multifunctional sensing material.
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