Title

Susceptible ferroelectric/antiferroelectric phase transition near the surface of Nb-doped lead zirconate stannate titanate from surface processing

RIS ID

111464

Publication Details

Lu, T., Studer, A. J., Cortie, D., Lau, K., Yu, D., Chen, H., Xu, Z., Withers, R. L., McIntyre, G. J. & Liu, Y. (2016). Susceptible ferroelectric/antiferroelectric phase transition near the surface of Nb-doped lead zirconate stannate titanate from surface processing. ACS Applied Materials and Interfaces, 8 (23), 14313-14317.

Abstract

This work systematically investigated the structure and property of the near-surface and bulk regions of Pb0.99(Nb0.02Zr0.73Sn0.21Ti0.04)O3 ceramics using a combination of X-ray and neutron diffraction, piezoresponse force microscopy, and conventional ferroelectric/piezoelectric characterization. It is found that mechanical force can induce an antiferroelectric/ferroelectric phase transition within micrometers of the surface. Such a phase transition is strongly dependent on the processing scenario, leading to differences from the bulk region. This work provides crucial insights into the sensitivity of this class of AFE materials. Clearly, surface processing conditions must be taken into account for both accurate structural determination and practical applications.

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Link to publisher version (DOI)

http://dx.doi.org/10.1021/acsami.6b02868