Nanoscale insight into the giant piezoelectric response in lead-free Fe-doped 0.95(Na1/2Bi1/2)TiO3-0.05BaTiO3 single crystal
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DOI: 10.1063/1.4998501
Abstract: The Fe-doped lead-free 0.95(Na1/2Bi1/2)TiO3-0.05BaTiO3 single crystal, reported in the previous work, which exhibited giant piezoelectric strain response (normalized strain constant up to ∼1300 pm/V) and a large quasi-static piezoelectric constant d33 of ∼600 pC/N, was investigated… read more here.
Keywords: lead free; response; microscopy; tio3 05batio3 ... See more keywords
Anomalous behaviors of elastic constants of lead-free piezoelectric (Na1/2Bi1/2)TiO3-5%BaTiO3 single crystals studied by Brillouin spectroscopy
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DOI: 10.1063/1.5123748
Abstract: The acoustic properties of unpoled (Na1/2Bi1/2)TiO3-5%BaTiO3 (NBT-5%BT) lead-free single crystals were investigated over a wide temperature range from 740 °C to room temperature. Temperature dependences of sound velocities, acoustic attenuation coefficients, and independent elastic constants were… read more here.
Keywords: temperature; elastic constants; na1 2bi1; spectroscopy ... See more keywords
Oxygen octahedral tilt ordering in (Na1/2Bi1/2)TiO3 ferroelectric thin films
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DOI: 10.1063/1.5127212
Abstract: Oxygen octahedra tilt (OOT) transition is the most common type of distortion in inorganic ABO3 compounds with a perovskite crystal structure. The importance of OOT transitions is underlined by accompanying changes in the B-O and… read more here.
Keywords: octahedral tilt; tilt; na1 2bi1; tilt ordering ... See more keywords
Effect of Composition on the Growth of Single Crystals of (1−x)(Na1/2Bi1/2)TiO3-xSrTiO3 by Solid State Crystal Growth
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DOI: 10.3390/ma12152357
Abstract: The (1−x)(Na1/2Bi1/2)TiO3-xSrTiO3 (NBT-100xST) system is a possible lead-free candidate for actuator applications because of its excellent strain vs. electric field behaviour. Use of single crystals instead of polycrystalline ceramics may lead to further improvement in… read more here.
Keywords: crystal growth; single crystal; single crystals; na1 2bi1 ... See more keywords