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Vibrations of Periodically Poled Lithium Niobate Bar with 0.3-mm Long Domains
Igor Ostrovskii, Andriy Nadtochiy, Lucien Cremaldi
The three dimensional vibrations in a periodically poled ZX-cut Lithium Niobate thin bar with 0.3-mm long domains are considered. The acoustical vibrations may be excited by the 1)…
Nonstructural acousto-injection luminescence in metalized lithium niobate wafers
Igor Ostrovskii, Oleg Korotchenkov, Nikolaj Borovoy +3
We report the observations of nonstructural acousto-injection luminescence (NAIL) from tantalized LiNbO3 wafers. The samples under study are the X cut or Y cut wafers with the silv…
Inversely Prepolarized Piezoceramic Cantilever
D. P. Sedorook, I. V. Ostrovskii
A nonuniform piezoelectric cantilever with enhanced amplitude of vibration at resonances is proposed. The cantilever made of lead zirconate titanate (type of PZT-5H) containing inv…
Multidomain lithium niobate microcantilever for smart biosensor
Igor Ostrovskii, Andriy Nadtochiy, Keith Hollis
Fabrication of the bimorph lithium niobate cantilevers involves a micro machining of a z-cut wafer to create a multidomain structure. After etching, the bimorph ferroelectric canti…
Acousto-electric Characteristics of Periodically Poled Ferroelectric Plate
I. V. Ostrovskii, A. B. Nadtochiy
A multidomain two-dimensional periodically poled ferroelectric plate vibrator is reported for the first time. The theoretical calculations, computer simulations by the Finite Eleme…
Nanoacoustic Defect Manipulation in Solids
Igor Ostrovskii, Nataliya Ostrovskaya, Oleg Korotchenkov +1
Within a nanoscale volume, an acoustic wave interacts with radiation defects in ionic solids. The radiation-induced optical absorption in ionic crystals is remarkably removed by a…