Phase diagram and electrostrictive properties of Bi0.5 Na 0.5 TiO3-BaTiO3-K0.5 Na 0.5 NbO3 ceramics

Shan Tao Zhang; Feng Yan; Bin Yang; Wenwu Cao

doi:10.1063/1.3491839

Phase diagram and electrostrictive properties of Bi_0.5 Na _0.5 TiO₃-BaTiO₃-K_0.5 Na _0.5 NbO₃ ceramics

Shan Tao Zhang
, Feng Yan
, Bin Yang
, Wenwu Cao

Research output: Contribution to journal › Article › peer-review

103 Scopus citations

Abstract

Phase diagram of Bi_0.5 Na_0.5 TiO₃ - BaTiO₃ - K_0.5 Na_0.5 NbO₃ ternary system has been analyzed and (0.94-x) BNT-0.06BT-xKNN (0.15≤x≤0.30) ceramics have been prepared and investigated. Pseudocubic structures were confirmed by x-ray diffractions and its preliminary Rietveld refinements. P-E, S-E, and S-P² profiles (where P, E, and S denote polarization, electric field, and strain, respectively) indicate electrostrictive behavior of all ceramics. The compositions with x=0.20 and 0.25 show pure electrostrictive characteristics. The dissipation energy, electrostrictive strain, and electrostrictive coefficient have been determined and compared with other lead-free and lead-containing electrostrictors. The electrostrictive coefficient can reach as high as 0.026 m⁴ / C², about 1.5 times of the value of traditional Pb-based electrostrictors.

Original language	English (US)
Article number	122901
Journal	Applied Physics Letters
Volume	97
Issue number	12
DOIs	https://doi.org/10.1063/1.3491839
State	Published - Sep 20 2010

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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10.1063/1.3491839

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title = "Phase diagram and electrostrictive properties of Bi0.5 Na 0.5 TiO3-BaTiO3-K0.5 Na 0.5 NbO3 ceramics",

abstract = "Phase diagram of Bi0.5 Na0.5 TiO3 - BaTiO3 - K0.5 Na0.5 NbO3 ternary system has been analyzed and (0.94-x) BNT-0.06BT-xKNN (0.15≤x≤0.30) ceramics have been prepared and investigated. Pseudocubic structures were confirmed by x-ray diffractions and its preliminary Rietveld refinements. P-E, S-E, and S-P2 profiles (where P, E, and S denote polarization, electric field, and strain, respectively) indicate electrostrictive behavior of all ceramics. The compositions with x=0.20 and 0.25 show pure electrostrictive characteristics. The dissipation energy, electrostrictive strain, and electrostrictive coefficient have been determined and compared with other lead-free and lead-containing electrostrictors. The electrostrictive coefficient can reach as high as 0.026 m4 / C2, about 1.5 times of the value of traditional Pb-based electrostrictors.",

author = "Zhang, \{Shan Tao\} and Feng Yan and Bin Yang and Wenwu Cao",

note = "Funding Information: This work was supported by the Hong Kong Polytechnic University (Grant No. A-PH92), National Nature Science Foundation of China (Grant Nos. 10874069 and 10704021), the New Century Excellent Talents in University (Grant No. NCET-08-0279), and Natural Scientific Research Innovation Foundation in Harbin Institute of Technology (Grant No. HIT.NSRIF 201055).",

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doi = "10.1063/1.3491839",

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AU - Zhang, Shan Tao

AU - Yan, Feng

AU - Yang, Bin

AU - Cao, Wenwu

N1 - Funding Information: This work was supported by the Hong Kong Polytechnic University (Grant No. A-PH92), National Nature Science Foundation of China (Grant Nos. 10874069 and 10704021), the New Century Excellent Talents in University (Grant No. NCET-08-0279), and Natural Scientific Research Innovation Foundation in Harbin Institute of Technology (Grant No. HIT.NSRIF 201055).

PY - 2010/9/20

Y1 - 2010/9/20

N2 - Phase diagram of Bi0.5 Na0.5 TiO3 - BaTiO3 - K0.5 Na0.5 NbO3 ternary system has been analyzed and (0.94-x) BNT-0.06BT-xKNN (0.15≤x≤0.30) ceramics have been prepared and investigated. Pseudocubic structures were confirmed by x-ray diffractions and its preliminary Rietveld refinements. P-E, S-E, and S-P2 profiles (where P, E, and S denote polarization, electric field, and strain, respectively) indicate electrostrictive behavior of all ceramics. The compositions with x=0.20 and 0.25 show pure electrostrictive characteristics. The dissipation energy, electrostrictive strain, and electrostrictive coefficient have been determined and compared with other lead-free and lead-containing electrostrictors. The electrostrictive coefficient can reach as high as 0.026 m4 / C2, about 1.5 times of the value of traditional Pb-based electrostrictors.

AB - Phase diagram of Bi0.5 Na0.5 TiO3 - BaTiO3 - K0.5 Na0.5 NbO3 ternary system has been analyzed and (0.94-x) BNT-0.06BT-xKNN (0.15≤x≤0.30) ceramics have been prepared and investigated. Pseudocubic structures were confirmed by x-ray diffractions and its preliminary Rietveld refinements. P-E, S-E, and S-P2 profiles (where P, E, and S denote polarization, electric field, and strain, respectively) indicate electrostrictive behavior of all ceramics. The compositions with x=0.20 and 0.25 show pure electrostrictive characteristics. The dissipation energy, electrostrictive strain, and electrostrictive coefficient have been determined and compared with other lead-free and lead-containing electrostrictors. The electrostrictive coefficient can reach as high as 0.026 m4 / C2, about 1.5 times of the value of traditional Pb-based electrostrictors.

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Phase diagram and electrostrictive properties of Bi_0.5 Na _0.5 TiO₃-BaTiO₃-K_0.5 Na _0.5 NbO₃ ceramics

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