کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1460007 | 989600 | 2015 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Non-180° domain contributions in Bi0.5(Na0.82K0.18)0.5TiO3 lead-free piezoelectric thick films
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
سرامیک و کامپوزیت
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
Piezoelectric responses of Bi0.5(Na0.82K0.18)0.5TiO3 (NKBT) ceramic films with thickness of 10–100 μm have been studied in a wide range of ac electric field and frequency. By the Rayleigh law fit, the typical irreversible Rayleigh coefficient, α, for piezoelectric response is 39.69±0.41×10−18 m2 V−2, which is much larger than that of the piezoelectric thin films, indicating significantly enhanced non-180° domain wall motions in NKBT thick films. The logarithmic frequency dependence of the piezoelectric response is associated with domain wall pinning in NKBT thick films, and the frequency dispersion increases with increasing ac field amplitude, which is attributed to the relaxation of non-180° domains.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Ceramics International - Volume 41, Issue 9, Part A, November 2015, Pages 10506–10511
Journal: Ceramics International - Volume 41, Issue 9, Part A, November 2015, Pages 10506–10511
نویسندگان
Jinqiang Huang, Yangyang Zhang, Huacheng Jiang, Pengyuan Fan, Jianzhong Xiao, Haibo Zhang,