Geodesic
Surface acoustic wave ferroelectric phononic crystal tunable by electric field
Nanosistemy: fizika, himiâ, matematika, Tome 4 (2013) no. 5, pp. 630-634

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Theoretical investigation results of the periodic domain structures induced by an electric field in barium strontium titanate (Ba$_{x}$Sr$_{1-x}$)TiO$_{3}$ ferroelectric thin film are presented. A novel type of tunable phononic crystal based on an electric field-induced piezoelectric effect in a thin ferroelectric film is proposed. Surface acoustic wave propagation equations for the substrate under electric field-induced periodic domains are derived. Finite element simulation revealed the possibility of applying the ferroelectric phononic crystal as an electrically tunable surface acoustic wave filter.
Keywords: tunable phononic crystal, induced piezoeffect, surface acoustic wave (SAW), periodic domains
Mots-clés : ferroelectric film. 
@article{NANO_2013_4_5_a4,
     author = {V. P. Pashchenko},
     title = {Surface acoustic wave ferroelectric phononic crystal tunable by electric field},
     journal = {Nanosistemy: fizika, himi\^a, matematika},
     pages = {630--634},
     publisher = {mathdoc},
     volume = {4},
     number = {5},
     year = {2013},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/NANO_2013_4_5_a4/}
}
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V. P. Pashchenko. Surface acoustic wave ferroelectric phononic crystal tunable by electric field. Nanosistemy: fizika, himiâ, matematika, Tome 4 (2013) no. 5, pp. 630-634. http://geodesic.mathdoc.fr/item/NANO_2013_4_5_a4/