کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
7897792 | 1510128 | 2018 | 7 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
The microwave dielectric properties and crystal structure of low temperature sintering LiNiPO4 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
The LiNiPO4 ceramic for the LTCC technology was prepared via the traditional solid-state reaction route and its dielectric properties were investigated for the first time. The best dielectric properties of LiNiPO4 ceramics with a εr of 7.18, QÃf value of 27,754â¯GHz and Ïf of â67.7â¯ppm/°C were obtained in samples sintered at 825â¯Â°C for 2â¯h. Rietveld refinement was firstly employed to study the crystal structure and dielectric properties of LiNiPO4 ceramics. Unfortunately, the relatively large negative Ïf was unfavorable to practical applications. Therefore, we introduced TiO2, which possessed a considerable positive Ïf, to obtain a desired Ïf value. The prepared LiNiPO4 ceramics with 15â¯wt% TiO2 sintered at 900â¯Â°C for 2â¯h exhibited excellent dielectric properties of εrâ¼11.49, QÃfâ¼10,792â¯GHz, Ïfâ¼â2.8â¯ppm/°C. The Ag co-fired experiments confirmed the excellent chemical compatibility with LiNiPO4-TiO2 ceramics which might be potential dielectric LTCCs for high frequency applications.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of the European Ceramic Society - Volume 38, Issue 13, October 2018, Pages 4433-4439
Journal: Journal of the European Ceramic Society - Volume 38, Issue 13, October 2018, Pages 4433-4439
نویسندگان
Ping Zhang, Shanxiao Wu, Mi Xiao,