Effect of Heat Treatment Temperature on Structural and Electrical Properties of Plasma Sprayed KNMN Coatings. Issue 1 (12th February 2023)

• Record Type: Journal Article
• Authors: Li, Xuewu; Gao, Rui; Huang, Yanfei; Guo, Weiling; Wang, Wuping; Xu, Keren; Xing, Zhiguo; Wang, Haidou
• Is Part Of: Integrated ferroelectrics. Volume 232:Issue 1(2023)
• Page Start: 114
• Page End: 126
• Publication Date: 2023-02-12
• Subjects: KNMN coatings -- heat treatment temperature -- electrical properties; Ferroelectric devices -- Periodicals; Integrated circuits -- Periodicals; 537.244805
• DOI: 10.1080/10584587.2023.2173446
• Languages: English
• ISSNs: 1058-4587

Abstract

Abstract: In this work, Mn-doped KNN (KNMN) piezoelectric ceramic coatings were prepared by plasma spraying technique, and the effects of post-treatment temperature on the microstructure and electrical properties of KNMN coatings were investigated. The results showed that the microstructure of the KNMN coating was more dense and homogeneous at the heat treatment temperature of 600 °C. The electrical properties of the coating were the best, with the dielectric constant and dielectric loss stabilized at 1580 and 0.01, and the residual polarization strength and coercivity field of the coating were 17.98 μC/cm 2 and 86.78 kV/cm 2, respectively.