Abstract
The dielectric relaxation properties and freezing behavior of polar nanoregions (PNRs) of 0.24Pb(In 1/2 Nb 1/2 )O 3 -0.47Pb(Mg 1/3 Nb 2/3 )O 3 -0.29PbTiO 3 single crystals have been studied. The Burns temperature T B , permittivity maximum temperature T m , and freezing temperature T f were determined, respectively. It was found that the temperature-dependent dielectric constant can be well described by the Lorenz-type relationship in the ergodic phase due to the existence of PNRs. The diffuseness factor δ is >30 and is basically not dependent on crystal orientation. The frequency dependence of T m obeys the Vogel-Fulcher relationship. The residual effect of the poling electric field disappears and the remnant polarization has a sharp decrease near the freezing temperature T f .
| Original language | English (US) |
|---|---|
| Pages (from-to) | 4103-4112 |
| Number of pages | 10 |
| Journal | Journal of the American Ceramic Society |
| Volume | 102 |
| Issue number | 7 |
| DOIs | |
| State | Published - Jul 2019 |
All Science Journal Classification (ASJC) codes
- Ceramics and Composites
- Materials Chemistry
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