Optical bandgap and dispersions of 0.24Pb(In 1/2 Nb 1/2 )O 3 -0.43Pb(Mg 1/3 Nb 2/3 )O 3 -0.33PbTiO 3 single crystal poled along [011] c direction
Source abstract
Abstract
Abstract The ternary relaxor-based ferroelectric single crystal 0.24Pb(In 1/2 Nb 1/2 )O 3 -0.43Pb(Mg 1/3 Nb 2/3 )O 3 -0.33PbTiO 3 (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.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Ferroelectric and Piezoelectric Materials · Photorefractive and Nonlinear Optics · Microwave Dielectric Ceramics Synthesis
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (21)
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