Optical bandgap and dispersions of 0.24Pb(In1/2Nb1/2)O3-0.43Pb(Mg1/3Nb2/3)O3-0.33PbTiO3 single crystal poled along [011]c direction

Fengmin Wu, Xunjun He, Jingyun Zhang, Bin Yang, Enwei Sun, Jiuxing Jiang, Wenwu Cao

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The ternary relaxor-based ferroelectric single crystal 0.24Pb(In1/2Nb1/2)O3-0.43Pb(Mg1/3Nb2/3)O3-0.33PbTiO3 (0.24PIN-0.43PMN-0.33 PT) poled along [011]c has single domain state and remarkable optical properties. The temperature dependence of the optical direction energy bandgap for the single crystal coincides with dielectric constant curve at the phase transition points. The variation tendency of the bandgap energies in different phase structures coincide with Varshni equation. The parameters in Varshni equation were obtained from the approximate fitting of the optical bandgap energies, which were calculated at various temperatures from 300 to 540 K. The refractive indices and the extinction coefficients in the single-domain state were obtained. The parameters of room temperature monomial Sellmeier oscillator were also derived.

Original languageEnglish (US)
Pages (from-to)101-104
Number of pages4
JournalOptical Materials
StatePublished - Oct 1 2016

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Computer Science(all)
  • Atomic and Molecular Physics, and Optics
  • Spectroscopy
  • Physical and Theoretical Chemistry
  • Organic Chemistry
  • Inorganic Chemistry
  • Electrical and Electronic Engineering

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