Piezoelectric BNT-BT0.11 thin films processed by sol–gel technique
Source abstract
Abstract
0.89(Na0.5Bi0.5)TiO3–0.11BaTiO3, (BNT-BT0.11) thin film was fabricated by sol–gel/spin coating process, on platinized silicon wafer. Perovskite structure with random orientation of crystallites has been obtained at 700 °C. Piezoelectric activity of BNT-BT0.11 thin film was detected using piezoresponse force microscopy (PFM). Effective piezoelectric coefficient d33eff of such film, recorded at 5 V applied dc voltage, was ~29 pm/V, which is similar to other BNT-BTx thin films. The complex refractive index and dielectric function of BNT-BT0.11 thin films were also investigated. The high leakage current density significantly influences the dielectric, ferroelectric, and piezoelectric properties of the BNT-BT0.11 films.
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Research context
OpenAlex topics: Ferroelectric and Piezoelectric Materials · Acoustic Wave Resonator Technologies · Microwave Dielectric Ceramics Synthesis
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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