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The DOI matches its Crossref record; 20 of the 20 references it cites were found in a registry or an index.

Silver Niobate Lead-Free Antiferroelectric Ceramics: Enhancing Energy Storage Density by B-Site Doping

Open access
Zhao, Lei, Gao, Jing, Liu, Qing, Zhang, Shujun, Li, Jing-Feng·2018·ACS Applied Materials & Interfaces

Abstract

Lead-free dielectric ceramics with high recoverable energy density are highly desired to sustainably meet the future energy demand. AgNbO 3 -based lead-free antiferroelectric ceramics with double ferroelectric hysteresis loops have been proved to be potential candidates for energy storage applications. Enhanced energy storage performance with recoverable energy density of 3.3 J/cm 3 and high thermal stability with minimal energy density variation (<10%) over a temperature range of 20–120 °C have been achieved in W-modified AgNbO 3 ceramics. It is revealed that the W 6+ cations substitute the B-site Nb 5+ and reduce the polarizability of B-site cations, leading to the enhanced antiferroelectricity, which is confirmed by the polarization hysteresis and dielectric tunability. It is believed that the polarizability of B-site cations plays a dominant role in stabilizing the antiferroelectricity in AgNbO 3 system, in addition to the tolerance factor, which opens up a new design approach to achieve stable antiferroelectric materials.

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Metadata

Authors
Zhao, L., Gao, J., Liu, Q., Zhang, S., & Li, J.-F.
Venue
ACS Applied Materials & Interfaces
Published
2017-12-26
Volume
10
Issue
1
Pages
819-826
ISSN
  • 1944-8244 (ISSN-L)
  • 1944-8252
OpenAlex
W2771104463
Cited by
367
References
20
FWCI
13.89
Type
journal article
Language
en
Open access
green

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