Enhanced pyroelectric property in (1-x)(Bi0.5Na 0.5)TiO3-xBa(Zr0.055Ti0.945)O 3: Role of morphotropic phase boundary and ferroelectric- antiferroelectric phase transition

Feifei Guo; Bin Yang; Shantao Zhang; Fengmin Wu; Danqing Liu; Pingan Hu; Ye Sun; Dali Wang; Wenwu Cao

doi:10.1063/1.4828675

Enhanced pyroelectric property in (1-x)(Bi_0.5Na _0.5)TiO₃-xBa(Zr_0.055Ti_0.945)O ₃: Role of morphotropic phase boundary and ferroelectric- antiferroelectric phase transition

Feifei Guo, Bin Yang, Shantao Zhang, Fengmin Wu, Danqing Liu, Pingan Hu, Ye Sun, Dali Wang, Wenwu Cao

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Abstract

(1-x)(Bi_0.5Na_0.5)TiO₃-xBa(Zr _0.055Ti_0.945)O₃ (0 ≤ x ≤ 0.12) lead-free ceramics have been prepared and the morphotropic phase boundary (MPB) is confirmed to be x = 0.06-0.09. The MPB composition x = 0.07 shows enhanced pyroelectric properties from room temperature (RT) to the depolarization temperature T_d (87°C), with the pyroelectric coefficient p = 0.057 μC/cm²°C and the figures of merit F_i = 203 pm/V, F_v = 0.022 m²/C, and F_d = 10.5 μPa^-1/2 at RT and the highest pyroelectric coefficient of 2.21 μC/cm²°C near T_d. These values are superior to other lead-based/lead-free pyroelectric ceramics. Enhanced pyroelectric properties can be explained by the effects of MPB and ferroelectric- antiferroelectric phase transition.

Original language	English (US)
Article number	182906
Journal	Applied Physics Letters
Volume	103
Issue number	18
DOIs	https://doi.org/10.1063/1.4828675
State	Published - Oct 28 2013

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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10.1063/1.4828675

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title = "Enhanced pyroelectric property in (1-x)(Bi0.5Na 0.5)TiO3-xBa(Zr0.055Ti0.945)O 3: Role of morphotropic phase boundary and ferroelectric- antiferroelectric phase transition",

abstract = "(1-x)(Bi0.5Na0.5)TiO3-xBa(Zr 0.055Ti0.945)O3 (0 ≤ x ≤ 0.12) lead-free ceramics have been prepared and the morphotropic phase boundary (MPB) is confirmed to be x = 0.06-0.09. The MPB composition x = 0.07 shows enhanced pyroelectric properties from room temperature (RT) to the depolarization temperature Td (87°C), with the pyroelectric coefficient p = 0.057 μC/cm2°C and the figures of merit Fi = 203 pm/V, Fv = 0.022 m2/C, and Fd = 10.5 μPa-1/2 at RT and the highest pyroelectric coefficient of 2.21 μC/cm2°C near Td. These values are superior to other lead-based/lead-free pyroelectric ceramics. Enhanced pyroelectric properties can be explained by the effects of MPB and ferroelectric- antiferroelectric phase transition.",

author = "Feifei Guo and Bin Yang and Shantao Zhang and Fengmin Wu and Danqing Liu and Pingan Hu and Ye Sun and Dali Wang and Wenwu Cao",

note = "Funding Information: This research was supported by the National Key Basic Research Program of China (973 Program) under Grant No. 2013CB632900, the Key Technologies R&D Program of China under Grant No. 2013BAI03B06, the National Nature Science Foundation of China (Nos. 10704021, 51102062, and 11174127), the Key Scientific and Technological Project of Harbin (Grant No. 2009AA3BS131), the Postdoctoral Foundation of Heilongjiang Province (Grant No. LBH-Z10147), and the Fundamental Research Funds for the Central Universities (Grant No. HIT. NSRIF. 2011011).",

year = "2013",

month = oct,

day = "28",

doi = "10.1063/1.4828675",

language = "English (US)",

volume = "103",

journal = "Applied Physics Letters",

issn = "0003-6951",

publisher = "American Institute of Physics Publising LLC",

number = "18",

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TY - JOUR

T1 - Enhanced pyroelectric property in (1-x)(Bi0.5Na 0.5)TiO3-xBa(Zr0.055Ti0.945)O 3

T2 - Role of morphotropic phase boundary and ferroelectric- antiferroelectric phase transition

AU - Guo, Feifei

AU - Yang, Bin

AU - Zhang, Shantao

AU - Wu, Fengmin

AU - Liu, Danqing

AU - Hu, Pingan

AU - Sun, Ye

AU - Wang, Dali

AU - Cao, Wenwu

N1 - Funding Information: This research was supported by the National Key Basic Research Program of China (973 Program) under Grant No. 2013CB632900, the Key Technologies R&D Program of China under Grant No. 2013BAI03B06, the National Nature Science Foundation of China (Nos. 10704021, 51102062, and 11174127), the Key Scientific and Technological Project of Harbin (Grant No. 2009AA3BS131), the Postdoctoral Foundation of Heilongjiang Province (Grant No. LBH-Z10147), and the Fundamental Research Funds for the Central Universities (Grant No. HIT. NSRIF. 2011011).

PY - 2013/10/28

Y1 - 2013/10/28

N2 - (1-x)(Bi0.5Na0.5)TiO3-xBa(Zr 0.055Ti0.945)O3 (0 ≤ x ≤ 0.12) lead-free ceramics have been prepared and the morphotropic phase boundary (MPB) is confirmed to be x = 0.06-0.09. The MPB composition x = 0.07 shows enhanced pyroelectric properties from room temperature (RT) to the depolarization temperature Td (87°C), with the pyroelectric coefficient p = 0.057 μC/cm2°C and the figures of merit Fi = 203 pm/V, Fv = 0.022 m2/C, and Fd = 10.5 μPa-1/2 at RT and the highest pyroelectric coefficient of 2.21 μC/cm2°C near Td. These values are superior to other lead-based/lead-free pyroelectric ceramics. Enhanced pyroelectric properties can be explained by the effects of MPB and ferroelectric- antiferroelectric phase transition.

AB - (1-x)(Bi0.5Na0.5)TiO3-xBa(Zr 0.055Ti0.945)O3 (0 ≤ x ≤ 0.12) lead-free ceramics have been prepared and the morphotropic phase boundary (MPB) is confirmed to be x = 0.06-0.09. The MPB composition x = 0.07 shows enhanced pyroelectric properties from room temperature (RT) to the depolarization temperature Td (87°C), with the pyroelectric coefficient p = 0.057 μC/cm2°C and the figures of merit Fi = 203 pm/V, Fv = 0.022 m2/C, and Fd = 10.5 μPa-1/2 at RT and the highest pyroelectric coefficient of 2.21 μC/cm2°C near Td. These values are superior to other lead-based/lead-free pyroelectric ceramics. Enhanced pyroelectric properties can be explained by the effects of MPB and ferroelectric- antiferroelectric phase transition.

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Enhanced pyroelectric property in (1-x)(Bi_0.5Na _0.5)TiO₃-xBa(Zr_0.055Ti_0.945)O ₃: Role of morphotropic phase boundary and ferroelectric- antiferroelectric phase transition

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