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Sherstyuk, N. E.; Ivanov, M. S.; Lavrov, S. D.; Mishina, E. D.
Ferroelectrics, 01/2023, Letnik: 602, Številka: 1Journal Article
In this work, we present a result of PFM measurements on perforated and nonperforated Ba 0,8 Sr 0,2 TiO 3 thin epitaxial films. A huge enhancement of effective values for both lateral and vertical piezoelectric tensors during polarization reversal was experimentally detected. An assumption of short-range quadrant domain pattern in perforated ferroelectric structure was discussed. The obtained results are crucial for calculations of ferroelectric polarization in ferroelectric photonic crystals and metamaterials.
