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Lead-free piezoelectric ceramics (1−x)(K0.475Na0.48Li0.05)Nb0.95Sb0.05O3–xCaZrO3 with perovskite structure were prepared by conventional ceramic sintering technique, and the effects of the CaZrO3 content on the phase transitions, dielectric and piezoelectric properties of the ceramics were investigated. With the increase of CaZrO3, the crystal structure of the ceramics transformed from the orthorhombic–tetragonal...
(K0.5Na0.5)NbO3–0.06LiTaO3–xSrZrO3 (KNN–LT–xST) lead-free piezoelectric ceramics with rhombohedral–tetragonal (R–T) phase boundary have been designed and prepared by the conventional solid-state reaction method, the phase transitional behavior and composition-dependent piezoelectric properties of KNN–LT–xST lead-free system were investigated. The R–T phase boundary is identified in the KNN–LT–xST...
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