Stabilized antiferroelectricity in xBiScO3-(1-x)NaNbO3 lead-free ceramics with established double hysteresis loops

Lisheng Gao, Hanzheng Guo, Shujun Zhang, Clive A. Randall

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

We previously reported various solid solution systems that demonstrated the stabilized antiferroelectric (P) phases in NaNbO3 through lowering the tolerance factor. However, all those reported modifications were achieved by adding A2+B4+O3 type solid solutions. A lead-free antiferroelectric (AFE) solid solution xBiScO3-(1-x)NaNbO3 was rationalized by adopting the tolerance factor design rule. Specifically, adding BiScO3 was found to effectively stabilize the AFE phase without changing the crystal symmetry of NaNbO3. Microstructure and electron zone axis diffraction patterns from transmission electron microscopy revealed the stabilized AFE (P) phase in this solid solution. Besides, the electric-field-induced polarization with a double-hysteresis loop was observed. The present results pointed out that the strategy could also be applied while adding A3+B3+O3 type solid solutions. In addition, it expanded the compositional design that can be applied to antiferroelectric materials.

Original languageEnglish (US)
Article number092905
JournalApplied Physics Letters
Volume112
Issue number9
DOIs
StatePublished - Feb 26 2018

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antiferroelectricity
solid solutions
hysteresis
ceramics
diffraction patterns
transmission electron microscopy
microstructure
electric fields
symmetry
polarization
crystals
electrons

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

Cite this

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Stabilized antiferroelectricity in xBiScO3-(1-x)NaNbO3 lead-free ceramics with established double hysteresis loops. / Gao, Lisheng; Guo, Hanzheng; Zhang, Shujun; Randall, Clive A.

In: Applied Physics Letters, Vol. 112, No. 9, 092905, 26.02.2018.

Research output: Contribution to journalArticle

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