AI Article Synopsis
- * To enhance the piezoelectric properties of KNN ceramics, methods such as creating multistructures that facilitate domain rotation and using reactive-templated grain growth for specific grain orientation are explored.
- * The review focuses on the improvements in piezoelectric performance of [001]-textured KNN-based ceramics, noting that their microstructure
Article Abstract
(KNa)NbO (KNN)-based ceramics have been extensively investigated as replacements for Pb(Zr, Ti)O-based ceramics. KNN-based ceramics exhibit an orthorhombic structure at room temperature and a rhombohedral-orthorhombic (R-O) phase transition temperature (), orthorhombic-tetragonal (O-T) phase transition temperature (), and Curie temperature of -110, 190, and 420 °C, respectively. Forming KNN-based ceramics with a multistructure that can assist in domain rotation is one technique for enhancing their piezoelectric properties. This review investigates and introduces KNN-based ceramics with various multistructures. A reactive-templated grain growth method that aligns the grains of piezoceramics in a specific orientation is another approach for improving the piezoelectric properties of KNN-modified ceramics. The piezoelectric properties of the [001]-textured KNN-based ceramics are improved because their microstructures are similar to those of the [001]-oriented single crystals. The improvement in the piezoelectric properties after [001] texturing is largely influenced by the crystal structure of the textured ceramics. In this review, [001]-textured KNN-based ceramics with different crystal structures are investigated and systematically summarized.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10972221 | PMC |
| http://dx.doi.org/10.3390/mi15030325 | DOI Listing |
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