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Research Article
W.P. Cao
Harbin University of Commerce
Corresponding Author
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In this paper, the electric-field-induced strain behavior and energy storage performance of MnO-doped 0.65Bi0.5Na0.5TiO3-0.35SrTiO3 (NBT-ST-xMn) lead-free ceramics has been investigated. After the introduction of MnO into NBT-ST ceramics, pinched and double P-E hysteresis loops with high Pmax and negligible Pr can be observed due to the introduction of defect dipoles. As a result, a relatively high strain of 0.22% with ultra-low hysteresis of 14% was achieved under a moderate electric field of 60 kV/cm at x=1.0 mol.%. Excellent energy storage performance of 1.14 and 1.17 J cm-3 with a high η of 83 and 80% are achieved at x=0.5 and 1.0 mol.%, respectively. Meanwhile, high electrostriction coeffcient of 0.022 m4C2 with pure electrostrictive characteristics was obtained at x=0.5 mol.%. The results illustrate that the proper selection of base composition and effective chemical modifier can made the NBT-ST an outstanding candidate for actuators and energy storage devices.
Keywords
NBT-based ceramics, defect dipoles, electric-field induced strain, energy storage properties, electrostrictive effect
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This is a preprint, a preliminary version of a manuscript that has not completed peer review at a journal. Research Square does not conduct peer review prior to posting preprints. The posting of a preprint on this server should not be interpreted as an endorsement of its validity or suitability for dissemination as established information or for guiding clinical practice.
Research Article
W.P. Cao
Harbin University of Commerce
Corresponding Author
Badges
Prescreen
This manuscript passed our Prescreen assessment
Complete author information
Appropriate declaration statements
Potential risks to human health
Prescreen
History
CURRENT STATUS: Posted
Version 1
Posted 12 Feb, 2021
No community comments so far
Metrics
Comments: 0
PDF Downloads: ...
HTML Views: ...
Subject Areas
Ceramics
License:
This work is licensed under a CC BY 4.0 License. Read Full License
In this paper, the electric-field-induced strain behavior and energy storage performance of MnO-doped 0.65Bi0.5Na0.5TiO3-0.35SrTiO3 (NBT-ST-xMn) lead-free ceramics has been investigated. After the introduction of MnO into NBT-ST ceramics, pinched and double P-E hysteresis loops with high Pmax and negligible Pr can be observed due to the introduction of defect dipoles. As a result, a relatively high strain of 0.22% with ultra-low hysteresis of 14% was achieved under a moderate electric field of 60 kV/cm at x=1.0 mol.%. Excellent energy storage performance of 1.14 and 1.17 J cm-3 with a high η of 83 and 80% are achieved at x=0.5 and 1.0 mol.%, respectively. Meanwhile, high electrostriction coeffcient of 0.022 m4C2 with pure electrostrictive characteristics was obtained at x=0.5 mol.%. The results illustrate that the proper selection of base composition and effective chemical modifier can made the NBT-ST an outstanding candidate for actuators and energy storage devices.
Figure 1
Figure 2
Figure 3
Figure 4
Figure 5
Figure 6
Figure 7
Figure 8
Figure 9
The full text of this article is available to read as a PDF.
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