Pressure induced phase transitions in PbTiO 3
β Scribed by Ganesh, P; Cohen, R E
- Book ID
- 118202004
- Publisher
- Institute of Physics
- Year
- 2009
- Tongue
- English
- Weight
- 464 KB
- Volume
- 21
- Category
- Article
- ISSN
- 0953-8984
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π SIMILAR VOLUMES
The pressure-induced tetragonal-to-cubic phase transition of PbTiO 3 is investigated in the pressure range of Γ5 to 35 GPa using the density-functional theory with the local density approximation. The spontaneous polarization and spontaneous strain, calculated as the order parameters, are found to d
Synchrotron X-ray powder diffraction patterns were collected at the European Synchrotron Radiation Facility (ESRF, Grenoble, France) on powder samples of PbTiO 3 (tetragonal, Z ΒΌ 1 P4mm a ΒΌ 3:9036Γ°1Γ ( A and c ΒΌ 4:1440Γ°2Γ ( A at room conditions) applying external pressure using a diamond anvil cell.