Observation of doman movement on BaTio₃ crystal under applied electric filed by scanning electron acoustic microscope

J. Liao Laboratory of Functional Inorganic Materials, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 200050, China

Y. Yang Laboratory of Functional Inorganic Materials, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 200050, China

S. X. Hui Laboratory of Functional Inorganic Materials, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 200050, China

H. S. Luo Laboratory of Functional Inorganic Materials, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 200050, China

Q. R. Yin Laboratory of Functional Inorganic Materials, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 200050, China

Abstract

The electron acoustic images of domain structure BaTiO₃ single crystal under the applied electric field have been observed with Scanning Electron Acoustic Microscope (SEAM). By increasing applied electric field, the growth and merging of domains were revealed. The successive images of domain movement in real time demonstrated the promising potential application of SEAM in the dynamic study of ferroelectric domains. The influence of the applied electric field on the incident electron beam was also discussed in this paper.

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Observation of doman movement on BaTio₃ crystal under applied electric filed by scanning electron acoustic microscope

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Observation of doman movement on BaTio3 crystal under applied electric filed by scanning electron acoustic microscope

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Observation of doman movement on BaTio₃ crystal under applied electric filed by scanning electron acoustic microscope