کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
8017266 | 1517217 | 2016 | 4 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Crystal structure and microwave dielectric properties of novel (1âx)ZnZrNb2O8âxTiO2 ceramics
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
فناوری نانو (نانو تکنولوژی)
پیش نمایش صفحه اول مقاله

چکیده انگلیسی
The crystal structural variations of (1âx)ZnZrNb2O8âxTiO2 ceramics sintered at 1150 °C for 4 h were investigated, and the relationship of these changes and the microwave dielectric properties were studied. Three types of crystal structures were identified with increasing x: wolframite, ixiolite, and rutile. While xâ¤0.4, the single-phase solid solution of wolframite structure was found. For 0.6â¤xâ¤0.7, the ceramics formed a single-phase solid solution of ixiolite structure. And when x=0.8, the mixture of two solid solution phases based on the ixiolite and rutile structures was obtained. The microwave dielectric properties of specimens were changed with the crystal structural transitions. Moreover, with the help of TiO2, Ïf value of the 0.3ZnZrNb2O8â0.7TiO2 ceramic was adjusted to near zero of â2.4 ppm/°C, accompanied with excellent microwave dielectric properties of εr~41.4, QÃf~38,500 GHz. This constitutes a very promising material for microwave applications.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Materials Letters - Volume 171, 15 May 2016, Pages 129-132
Journal: Materials Letters - Volume 171, 15 May 2016, Pages 129-132
نویسندگان
Xiao-Song Lyu, Ling-Xia Li, Shuai Zhang, Hao Sun, Bo-Wen Zhang, Jiang-Teng Li, Ming-Kun Du,