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Orientation dependence on piezoelectric properties of Bi0.5Na0.5TiO3-BaTiO3-SrTiO3 epitaxial thin films.
- Source :
-
Applied Physics Letters . 4/28/2014, Vol. 104 Issue 17, p1-5. 5p. 1 Diagram, 1 Chart, 3 Graphs. - Publication Year :
- 2014
-
Abstract
- Orientation-engineered 0.755(Bi0.5Na0.5)TiO3-0.065BaTiO3-0.18SrTiO3 thin films deposited on Nb doped SrTiO3 (N:STO) single crystalline (001), (110), and (111) substrates via a sol-gel process were investigated. Highly epitaxial growth was observed in the as-deposited thin films. Excellent piezoelectric properties are exhibited by the (111) oriented thin films with the highest strain level (0.32%) and local effective piezoelectric coefficient (d33=210 pm/V). Strong orientation dependence of piezoelectric properties on the thin films is attributed to the relative alignment of crystallites and spontaneous polarization vector. These findings are of great significance for piezo-micro electro mechanical systems. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 00036951
- Volume :
- 104
- Issue :
- 17
- Database :
- Academic Search Index
- Journal :
- Applied Physics Letters
- Publication Type :
- Academic Journal
- Accession number :
- 95874535
- Full Text :
- https://doi.org/10.1063/1.4874805