کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1463851 | 989652 | 2008 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Relationships between crystal structure and microwave dielectric properties of (Zn1/3B2/35+)xTi1 − xO2 (B5+ = Nb, Ta) ceramics
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
سرامیک و کامپوزیت
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
Dependence of microwave dielectric properties on the crystal structure of (Zn1/3B2/35+)xTi1 − xO2 (B5+ = Nb, Ta) ceramics was investigated as a function of Zn1/3B2/35+O2 (B5+ = Nb, Ta) content (0.4 ≤ x ≤ 0.7). Dielectric constant (K) and the temperature coefficient of resonant frequency (TCF) of sintered specimens were strongly dependent on the structural characteristics of oxygen octahedra in rutile structure. Cation rattling and the distortion of oxygen octahedra were dependent on the bond length ratio of apical (dapical)/equatorial (dequatorial) of oxygen octahedra. The quality factor (Qf) was dependent on the reduction of Ti ion as well as the microstructure of the sintered specimens.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Ceramics International - Volume 34, Issue 4, May 2008, Pages 883–888
Journal: Ceramics International - Volume 34, Issue 4, May 2008, Pages 883–888
نویسندگان
Eung Soo Kim, Dong Ho Kang,