Electrical and luminescence properties of Er-doped Bi0.5Na0.5TiO3 ceramics |
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Authors: | Peng Du Laihui LuoWeiping Li Yuepin ZhangHongbing Chen |
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Affiliation: | Department of Microelectronic Science and Engineering, Ningbo University, 315211 Ningbo, China |
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Abstract: | The influences of Er content on the dielectric and photoluminescence performances of Bi0.5Na0.5TiO3-xEr (x = 0, 0.005, 0.01, 0.015, 0.02, 0.03) ceramics have been investigated. The results show that Bi0.5Na0.5TiO3-xEr ceramics with x = 0.01 Er have maximum values of photoluminescence and piezoelectric properties. A bright green emission at 550 nm and enhanced piezoelectric response are achieved in the ceramic Bi0.5Na0.5TiO3-0.01Er at room temperature. Furthermore, the photoluminescence performance of the ceramics is significantly enhanced by electric poling. |
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Keywords: | Lead-free ceramic Piezoelectric Ferroelectric Photoluminescence |
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