We found a match
Your institution may have access to this item. Find your institution then sign in to continue.
- Title
Phase transition and piezoelectric properties of (1 − x)KNaNbO- xLiSbO ceramics by hydrothermal powders.
- Authors
Liu, Wenlong; Tan, Guoqiang; Xiong, Peng; Xue, Xu; Hao, Hangfei; Ren, Huijun
- Abstract
KNbO, NaNbO and LiSbO powders were synthesized by a hydrothermal route have been used to prepare (1 − x)KNaNbO- xLiSbO (KNN-LS; x = 0.00-0.08) ceramics. The effects of LiSbO doping on the structures of KNN-LS ceramics have been systematically investigated by X-ray diffraction (XRD) and Rietveld refined XRD patterns. A gradual phase transition from orthogonal to tetragonal with the increase of LiSbO content is demonstrated. Thereinto, the monoclinic phase is identified for the KNN-LS ceramic with the LiSbO content of x = 0.08. Meanwhile, the XRD pattern reveals that the intensity ratio of (200)/(002) crystal face of the ceramic with x = 0.08 was bigger than one, which is different from the tetragonal phase. The tetragonal phase is revealed in the KNN-LS ceramic in the vicinity of x = 0.07, accompanying with relatively higher piezoelectric and ferroelectric properties. Tetragonal phase is beneficial to improve the piezoelectric properties of the KNN-LS ceramics.
- Subjects
CERAMICS; X-ray diffraction; RIETVELD refinement; PIEZOELECTRICITY; FERROELECTRICITY
- Publication
Journal of Materials Science: Materials in Electronics, 2014, Vol 25, Issue 5, p2348
- ISSN
0957-4522
- Publication type
Article
- DOI
10.1007/s10854-014-1886-2