Epitaxial growth and piezoelectric characterization of the (1-x)BiScO{sub 3}-(x)PbTiO{sub 3} ultrathin film
Journal Article
·
· Journal of Applied Physics
- Department of Physics, Pusan National University, Busan 609-735 (Korea, Republic of)
We studied ferroelectric properties of morphotropic phase boundary (1-x)BiScO{sub 3}-(x)PbTiO{sub 3} (BSPT, x = 0.64) epitaxial thin films on SrTiO{sub 3} (001) and Nb:SrTiO{sub 3} (001). BSPT thin films with various thicknesses were deposited using off-axis radio frequency magnetron sputtering. By analyzing x-ray data of BSPT thin films with various thicknesses, we confirmed that films thinner than {approx}22 nm were in a strained state. Films thicker than {approx}22 nm were in a relaxed state because of the strain relaxation mechanism caused by misfit dislocation formation. Clear piezoresponses and polarization reversal phenomena can be observed in the ultrathin limit down to 8 nm through Piezo Force Microscope experiments. The piezoresponse data as a function of thickness correlates with the structural modification of thin films.
- OSTI ID:
- 21538175
- Journal Information:
- Journal of Applied Physics, Journal Name: Journal of Applied Physics Journal Issue: 6 Vol. 109; ISSN JAPIAU; ISSN 0021-8979
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
ALKALINE EARTH METAL COMPOUNDS
ALLOYS
BISMUTH COMPOUNDS
CRYSTAL DEFECTS
CRYSTAL GROWTH METHODS
CRYSTAL STRUCTURE
DEPOSITION
DIELECTRIC MATERIALS
DIMENSIONS
DISLOCATIONS
ELECTRICITY
ELECTROMAGNETIC RADIATION
ELECTRON TUBES
ELECTRONIC EQUIPMENT
EPITAXY
EQUIPMENT
FERROELECTRIC MATERIALS
FILMS
GENE AMPLIFICATION
IONIZING RADIATIONS
LEAD COMPOUNDS
LINE DEFECTS
MAGNETRONS
MATERIALS
MICROWAVE EQUIPMENT
MICROWAVE TUBES
MODIFICATIONS
NIOBIUM ADDITIONS
NIOBIUM ALLOYS
OXYGEN COMPOUNDS
PIEZOELECTRICITY
POLARIZATION
POLYMERASE CHAIN REACTION
RADIATIONS
RADIOWAVE RADIATION
RELAXATION
SCANDIUM COMPOUNDS
STRAINS
STRONTIUM COMPOUNDS
STRONTIUM TITANATES
THICKNESS
THIN FILMS
TITANATES
TITANIUM COMPOUNDS
TRANSITION ELEMENT ALLOYS
TRANSITION ELEMENT COMPOUNDS
VAPOR PHASE EPITAXY
X RADIATION
ALKALINE EARTH METAL COMPOUNDS
ALLOYS
BISMUTH COMPOUNDS
CRYSTAL DEFECTS
CRYSTAL GROWTH METHODS
CRYSTAL STRUCTURE
DEPOSITION
DIELECTRIC MATERIALS
DIMENSIONS
DISLOCATIONS
ELECTRICITY
ELECTROMAGNETIC RADIATION
ELECTRON TUBES
ELECTRONIC EQUIPMENT
EPITAXY
EQUIPMENT
FERROELECTRIC MATERIALS
FILMS
GENE AMPLIFICATION
IONIZING RADIATIONS
LEAD COMPOUNDS
LINE DEFECTS
MAGNETRONS
MATERIALS
MICROWAVE EQUIPMENT
MICROWAVE TUBES
MODIFICATIONS
NIOBIUM ADDITIONS
NIOBIUM ALLOYS
OXYGEN COMPOUNDS
PIEZOELECTRICITY
POLARIZATION
POLYMERASE CHAIN REACTION
RADIATIONS
RADIOWAVE RADIATION
RELAXATION
SCANDIUM COMPOUNDS
STRAINS
STRONTIUM COMPOUNDS
STRONTIUM TITANATES
THICKNESS
THIN FILMS
TITANATES
TITANIUM COMPOUNDS
TRANSITION ELEMENT ALLOYS
TRANSITION ELEMENT COMPOUNDS
VAPOR PHASE EPITAXY
X RADIATION