Abstract
The relaxor-based ferroelectric single crystals Pb(In1/2Nb 1/2)O3- Pb(Mg1/3 Nb2/3)O 3-PbTiO3 were grown successfully using the vertical Bridgman technique. The crystals were spontaneously nucleated and induced to grow by the seed respectively, with diameter of Φ25-40 mm and length of 80-170 mm. The [001]-oriented wafers of as-grown crystals showed the excellent electrical characterizations (ε∼5500, tanδ∼1.35%, d 33 ∼1900pC/N, k33∼0.9). Both the higher rhombohedral-tetragonal phase transition temperature (Tr/t ∼100-120°C) and Curie temperature (Tc ∼170-200°C) enlarged the operating temperature range of the devices. The crystals had the stable time dependence of piezoelectric properties. Therefore, the successful growth and high performance made the crystal be a promising candidate for the ultrasonic applications.
| Original language | English |
|---|---|
| Pages (from-to) | 173-180 |
| Number of pages | 8 |
| Journal | Ferroelectrics |
| Volume | 401 |
| Issue number | 1 |
| DOIs | |
| State | Published - 2010 |
| Event | 12th International Meeting on Ferroelectricity, IMF-12 and the 18th IEEE International Symposium on Applications of Ferroelectrics, ISAF-18 - Xi'an, China Duration: 23 Aug 2009 → 27 Aug 2009 |
Keywords
- Bridgman technique
- Crystal growth
- Electrical characterization
- Single crystal
- Ultrasonic application