کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
1474975 991106 2010 6 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Microwave dielectric properties of ATiO3 (A = Ni, Mg, Co, Mn) ceramics
موضوعات مرتبط
مهندسی و علوم پایه مهندسی مواد سرامیک و کامپوزیت
پیش نمایش صفحه اول مقاله
Microwave dielectric properties of ATiO3 (A = Ni, Mg, Co, Mn) ceramics
چکیده انگلیسی

Relationships between structural characteristics and microwave dielectric properties of ATiO3 (A = Ni, Mg, Co, Mn) with ilmenite structure were investigated. The oxygen octahedral distortion was dependent on the type of A-site ions which affected to the temperature coefficient of the resonant frequency (TCF) of ATiO3 ceramics. The quality factor (Qf) of ATiO3 (A = Mn, Ni, Co) specimens was appreciably lowered than that of MgTiO3 specimens due to the degree of covalency of cation–oxygen ion bond and the ordering of A-site ions. Also, the dielectric constant (K) was dependent on the electronic oxide polarizabilities of ATiO3 ceramics.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of the European Ceramic Society - Volume 30, Issue 2, January 2010, Pages 341–346
نویسندگان
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