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  • Chinese Optics Letters
  • Vol. 19,
  • Issue 11,
  • pp. 111602-
  • (2021)

Field-induced transformation of ferroelectric domain states in KTN crystal

Quanxin Yang, Xiaojin Li, Hongliang Liu, Yingying Ren, and Pengfei Wu

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Abstract

We report an interesting study of electric-field-induced transformation from a single domain ferroelectric state to the multiple domain ferroelectric state in a KTa1−xNbxO3 (KTN) crystal. Experimental results obtained using the confocal μ-Raman spectroscopy confirm the dynamic change of lattice structures induced by an external electric field. Furthermore, the dependence of relative permittivity on the applied voltage also indicates the transformation of ferroelectric states involving the processes of splintering, inversion, and re-formation of ferroelectric domains.

© 2021 Chinese Laser Press

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