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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Jackson, Timothy
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Topics
Publications (12/12 displayed)
- 2015Influence of Uncertainty in Dielectric Properties on the Design Performance of a Tunable Composite Right/Left Handed Leaky Wave Antenna
- 2014Uncertainties in the permittivity of thin films extracted from measurements with near field microwave microscopy calibrated by an image charge modelcitations
- 2012Line defects, planar defects and voids in SrTiO3 films grown on MgO by pulsed laser and pulsed laser interval depositioncitations
- 2010Microstructural investigation of strontium titanate films grown by interval pulsed laser depositioncitations
- 2009Two-dimensional growth of SrTiO3 thin films on (001) MgO substrates using pulsed laser deposition and reflection high energy electron diffractioncitations
- 2009Comparison of structural, microstructural, and electrical analyses of barium strontium titanate thin filmscitations
- 2008Growth and Microstructural Studies of Strontium Titanate Films Grown by Standard and Interval Pulsed Laser Depositioncitations
- 2006Microstructure of Homeoepitaxial SrTiO₃ Thin Films Grown by Laser Ablationcitations
- 2006Temperature Dependent Dielectric Properties of Coplanar Phase Shifters Fabricated from Ba₀.₅SR₀.₅Ti0₃ Thin Filmscitations
- 2006Microwave and Microstructural Properties of Ba₀.₅Sr₀.₅TiO₃ of Thin Film Coplanar Phase Shifterscitations
- 2004Holes in YBa₂Cu₃0₇₋x Thin Films on Vicinal Strontium Titanate Substratescitations
- 2004Growth, Microwave Properties and Microstructure of Ba₀₊₀₅Sr₀₊₉₅TiO₃ Thin Filmscitations
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article
Comparison of structural, microstructural, and electrical analyses of barium strontium titanate thin films
Abstract
The results of structural and electrical characterizations of a barium strontium titanate (Ba0.5Sr0.5TiO3) film, including low temperature x-ray diffraction, low temperature, field dependent Raman spectroscopy, transmission electron microscopy, and low temperature, field dependent microwave measurements, are compared and contrasted. The structural characterization showed the film to be a good single crystal, epitaxial with the (001) MgO substrate. In the ferroelectric state, the tetragonal axis lies in plane leading to a 90 degrees domain structure. A high density of misfit and threading dislocations was observed in the film. The transition to the paraelectric state on warming was shown to be diffuse and appeared to be strongly influenced by local variations in strain which were attributed to the defective microstructure. The dielectric response was also dominated by such effects.