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Title: Structural and ferroelectric properties of textured KNN thick films prepared by sol-gel methods
Authors: Yang, XY
Cheng, ZJ
Cheng, JY
Wang, DW
Shi, F
Zheng, GP 
Liu, HM
Zhang, DQ
Cao, MS
Keywords: Sheet-like microstructure
Sol-gel methods
Textured KNN thick film
Issue Date: 2016
Publisher: Taylor & Francis
Source: Integrated ferroelectrics, 2016, v. 176, no. 1, p. 171-178 How to cite?
Journal: Integrated ferroelectrics 
Abstract: Based on the templates of sheet-like KNN powders synthesized by a hydrothermal method, lead-free textured KNN films with a thickness of 5 μm were prepared by sol-gel methods. The composition, microstructure, crystal structure, ferroelectric properties and grain growth mechanisms of the textured KNN thick films were studied. It was found that the KNN thick films possessed large grain sizes, dense morphology and increased ratio of Na+. After annealed at 650 °C, the perovskite structure was observed in the KNN thick films textured along the <00l> crystallography direction with an orientation factor of 0.393, reflecting a preferential growth characteristics. Furthermore, the residual polarization value of 12.3 µc/cm2 was achieved under the same condition.
ISSN: 1058-4587
EISSN: 1607-8489
DOI: 10.1080/10584587.2016.1252242
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