کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
1458635 989580 2016 6 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Rare earth titano-silicates for high k gate dielectric applications
موضوعات مرتبط
مهندسی و علوم پایه مهندسی مواد سرامیک و کامپوزیت
پیش نمایش صفحه اول مقاله
Rare earth titano-silicates for high k gate dielectric applications
چکیده انگلیسی

The present paper explores the properties of rare earth titano-silicates compounds for high k applications. RE2Ti2SiO9 (RE=La, Pr and Nd) ceramic compounds were prepared using conventional solid state reaction route. Its structural, dielectric, optical and thermal properties were investigated. It was found that these materials possess a high dielectric constant in the range of 20–34 at room temperature, which is greater than that of HfO2. The UV Visible absorption spectra indicates reasonably large band gap of above 5 eV. Further these compounds also have low coefficient of thermal expansion of less than 9 ppm/°C.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Ceramics International - Volume 42, Issue 9, July 2016, Pages 10886–10891
نویسندگان
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