Abstract
Single crystals of the complex perovskite solid solution (1-x)Pb(Fe 2/3W1/3)O3-xPbTiO3 [(1-x)PFWxPT], with x = 0, 0.07, 0.13, 0.27 and 0.75, have been synthesized by the high temperature solution growth using PbO as flux, and characterized by X-ray diffraction and dielectric measurements. With the increasing amount of PT, the crystal structure at room temperature changes from a pseudo-cubic (x = 0, 0.07 and 0.13) to a tetragonal phase (x≥0.27). The dielectric properties of the crystals exhibit a typical relaxor behaviour for x = 0 to 0.27 with frequency-dependent peak temperature (Tm) satisfying the Vogel-Fulcher law, while the crystals with higher PT-content undergo a first-order transition at the ferroelectric Curie temperature TC.
| Original language | English |
|---|---|
| Pages (from-to) | 269-274 |
| Number of pages | 6 |
| Journal | Ferroelectrics |
| Volume | 355 |
| Issue number | 1 PART 1 |
| DOIs | |
| State | Published - 2007 |
| Externally published | Yes |
| Event | 5th Asian Meeting on Ferroelectricity, AMF-5 - Noda, Japan Duration: 3 Sep 2006 → 7 Sep 2006 |
Keywords
- Complex perovskite
- Dielectric permittivity
- Pb(FeW)OPbTiO solid solution
- Relaxor
- Single crystal growth
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