کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
8002395 | 1516314 | 2013 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Enhanced dielectric relaxor properties in (1 â x)(K0.5Na0.5)NbO3-x(Ba0.6Sr0.4)0.7Bi0.2TiO3 lead-free ceramic
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
فلزات و آلیاژها
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Enhanced dielectric relaxor properties in (1 â x)(K0.5Na0.5)NbO3-x(Ba0.6Sr0.4)0.7Bi0.2TiO3 lead-free ceramic Enhanced dielectric relaxor properties in (1 â x)(K0.5Na0.5)NbO3-x(Ba0.6Sr0.4)0.7Bi0.2TiO3 lead-free ceramic](/preview/png/8002395.png)
چکیده انگلیسی
The (1 â x)(K0.5Na0.5)NbO3-x(Ba0.6Sr0.4)0.7Bi0.2TiO3 [(1 â x)KNN-xBSBT] lead-free ceramics were prepared by the conventional solid-state sintering method. The effects of BSBT doping on the phase structure, microstructure and dielectric properties of the ceramics were studied. The experiment results reveal that the phase transitional behavior is induced and the average grain size firstly increases and then decreases with increasing the BSBT content. Also, the dielectric relaxor behavior and the diffusion coefficient of the ceramics increase with increasing the BSBT doping. The comparison of the relaxor behavior based on empirical parameters (ÎTdiffuse), and the slimmer P-E hysteresis loops further confirm the enhanced relaxor behavior in (1 â x)(K0.5Na0.5)NbO3-x(Ba0.6Sr0.4)0.7Bi0.2TiO3 lead-free ceramics. Excellent dielectric properties of 0.97KNN-0.03BSBT ceramics are ε > 2000 and tan δ < 3% at a broad usage temperature range (100-400 °C), which shows that this system is a promising candidate material for the high temperature multilayer ceramics capacitor.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Alloys and Compounds - Volume 579, 5 December 2013, Pages 192-197
Journal: Journal of Alloys and Compounds - Volume 579, 5 December 2013, Pages 192-197
نویسندگان
Hualei Cheng, Wancheng Zhou, Hongliang Du, Fa Luo, Dongmei Zhu, Dan Jiang, Boxi Xu,