کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1652751 | 1007647 | 2007 | 4 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
The study on electrical behavior of Gd2O3-WO3 complex ceramics at high temperature
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
فناوری نانو (نانو تکنولوژی)
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چکیده انگلیسی
Gd2O3-WO3 complex ceramics are fabricated by the conventional solid-state reaction process. The electrical characteristics and dielectric properties of the samples were measured at various ambient temperatures in a low electric field (E < 150 V/mm). As the temperature increases, the dielectric constant and the loss tangent show an obvious change at about 50 °C and 330 °C. When the temperature is above 200 °C, the samples display stable nonlinear electrical properties characterized by semiconductivity, and the nonlinearity increases along with increasing temperature. XRD analysis reveals that Gd2W2O9 is the main phase and Gd2O3 is the secondary phase. Based on the phase transition of tungsten trioxide, these electrical properties of Gd2O3-WO3 complex ceramics can be simply explained.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Materials Letters - Volume 61, Issue 10, April 2007, Pages 2105-2108
Journal: Materials Letters - Volume 61, Issue 10, April 2007, Pages 2105-2108
نویسندگان
Liang Dong, Yu Wang, Yong Zhao,