The electromechanical properties of tetragonal BaTiO{sub 3} and PbTiO{sub 3} single crystals
Conference
·
OSTI ID:10180973
The velocities of propagation for longitudinal and transverse sound waves in various directions have been measured by Brillouin scattering on high-quality mono-domain single crystals of BaTiO{sub 3} and PbTiO{sub 3}. Using these velocities and also the dielectric permittivities measured by the impedance method and by Raman spectroscopy, a complete set of elastic stiffness moduli C{sub ijkl}, piezoelectric constants e{sub rij}, and dielectric permittivity {epsilon}{sub ij} has been determined at ambient temperature. Dependence of these electromechanical properties on orientation and frequency is presented for both materials and the physical implications will be discussed.
- Research Organization:
- Argonne National Lab., IL (United States)
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- W-31109-ENG-38
- OSTI ID:
- 10180973
- Report Number(s):
- ANL/MSD/CP--78507; CONF-930852--2; ON: DE93019008
- Country of Publication:
- United States
- Language:
- English
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