کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1796720 | 1023752 | 2006 | 5 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Properties of yBa6â3xEu8+2xTi18O54+ (1ây) Ba6â3xSm8+2xTi18O54 ceramics via ethylenediaminetetraacetic acid precursor
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موضوعات مرتبط
مهندسی و علوم پایه
فیزیک و نجوم
فیزیک ماده چگال
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
yBa6â3xEu8+2xTi18O54+ (1ây)Ba6â3xSm8+2xTi18O54 (x=23, y=0.1) (BEST) ceramic powders were synthesized by the Pechini method using ethylenediaminetetraacetic acid (EDTA) as a chelating agent. A flaxen, molecular-level, homogeneously mixed gel was prepared, and transferred into a porous resin intermediate through charring. Two-phase and well-crystallized BEST powders were prepared by calcination of the resin intermediate, without formation of any intermediate phases. Meanwhile, the crystal structure was determined by X-ray diffraction, which can be used to explain the microwave dielectric properties of BEST. The BEST ceramics prepared via EDTA precursor has good microwave dielectric characteristics: εr=52.36, Qf=2850 GHz and Ïf=â24.56 ppm °Câ1.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Crystal Growth - Volume 294, Issue 2, 4 September 2006, Pages 283-287
Journal: Journal of Crystal Growth - Volume 294, Issue 2, 4 September 2006, Pages 283-287
نویسندگان
Z.F. Li, H.L. Ge, W.L. Zhong,