Structure, dielectric and piezoelectric properties of (1-x)K0.48Na0.48Li0.04NbO3-xBa0.85Ca0.15Zr0.1Ti0.9O3 ceramics
Source abstract
Abstract
Lead free piezoelectric ceramics (1-x)KNLN-xBCZT (0 ≤ x ≤ 0.015) are prepared using ultrasonic irradiation assisted solid state reaction process. The coexistence of orthorhombic and tetragonal phases is identified in the range of 0.008 ≤ x ≤ 0.013. The polymorphic orthorhombic-tetragonal phase transition temperature shifts towards room temperature with the increase of the BCZT concentration. Improved polarization and enhanced piezoelectric properties are obtained in 0.99KNLN-0.01BCZT ceramic at room temperature, which is attributed to the shift of their orthorhombic-tetragonal phase transition towards room temperature as well as the high density and high P r value. These results indicate that 0.99KNLN-0.01BCZT ceramic is a promising lead-free piezoelectric material.
Source: openaire · Quality: candidate unverified · Source record ↗
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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