کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
7993078 1516150 2018 30 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Structure, dielectric and energy storage properties of BaTiO3 ceramics doped with YNbO4
موضوعات مرتبط
مهندسی و علوم پایه مهندسی مواد فلزات و آلیاژها
پیش نمایش صفحه اول مقاله
Structure, dielectric and energy storage properties of BaTiO3 ceramics doped with YNbO4
چکیده انگلیسی
(1−x)BaTiO3−xYNbO4 [(1−x)BT−xYNb] (x = 0%, 3%, 5%, 7%, 10%, 15%) ceramics were prepared by a traditional solid-state reaction method. A solubility limit for (1−x)BT−xYNb was determined to be less than 3%. The phase transition from tetragonal to pseudo cubic were manifested via the XRD and Raman spectra. When x = 3% and 5%, a second liquid-like phase appeared in SEM images. As the YNb additive increased, the dielectric constant-temperature curves shifted towards low temperature and the dielectric nonlinearity was suppressed. At x = 7%, the recoverable energy storage density of 0.93BT−0.07YNb achieved a maximum of 0.614 J/cm3, which was 2.4 times of pure BaTiO3, as well as the efficiency was up to 87%. These results indicated that the BaTiO3 ceramic doped with YNb would be a promising alternate material for high energy storage density capacitor.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Alloys and Compounds - Volume 744, 5 May 2018, Pages 721-727
نویسندگان
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