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Large Electro-Optic Coefficient in Single-Domain PIN-PMN-PT Single Crystal

  • Xin Liu
  • , Fangbing Li
  • , Jingwei Li
  • , Peng Tan
  • , Jing Lei
  • , Weigang Zhao
  • , Kexin Song
  • , Huaibin Zheng
  • , Hao Tian
  • , Fei Li*
  • , Xiaoyong Wei*
  • , Zhuo Xu*
  • *Corresponding author for this work
  • Xi'an Jiaotong University
  • School of Physics, Harbin Institute of Technology
  • China Aerospace Science and Technology Corporation

Research output: Contribution to journalArticlepeer-review

Abstract

Due to the excellent shear-mode piezoelectric properties, single-domain tetragonal Pb(In1/2Nb1/2)O3-Pb(Mg1/3Nb2/3)O3-PbTiO3 (PIN-PMN-PT) crystals are believed to possess giant electro-optic (EO) coefficients as well. However, the EO properties of single-domain PIN-PMN-PT crystals have not been systematically studied because of the difficulties in the single-domain sample preparation. Here, by this newly developed orthogonal poling method, single-domain tetragonal PIN-PMN-39PT crystals are successfully obtained by poling the sample along the non-spontaneous polarization direction at room temperature. Optical grade crystal with good transparency and high EO coefficient component γ51 (≈2800 pm V−1) is achieved. The orientation dependence of the EO coefficient is analyzed based on the measured full matrix of the EO coefficients. This work confirms the giant EO performance of domain-engineered PIN-PMN-PT single crystals mainly comes from the contribution of EO coefficient component γ51 of single domain crystal other than the domain wall or domain switching related mechanisms.

Original languageEnglish
Article number2400885
JournalAdvanced Optical Materials
Volume12
Issue number33
DOIs
StatePublished - 25 Nov 2024
Externally publishedYes

Keywords

  • domain engineering
  • electro-optic
  • ferroelectrics
  • single crystal

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