کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
7934135 | 1512875 | 2015 | 14 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Magnetism in nanocrystalline SiC films
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
مواد الکترونیکی، نوری و مغناطیسی
پیش نمایش صفحه اول مقاله
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چکیده انگلیسی
Magnetism been studied in two series of nanocrystalline SiC films obtained by the method of direct deposition of ions with an energy of ~100 eV at temperatures 1150 °С and 1200 °С. There were separated the contributions of diamagnetism, paramagnetism and superparamagnetism+ferromagnetism. Magnetization value of the films correlates with the deposition temperature. In the films deposited at higher temperatures the value of magnetization was by 1.5 times lower. It was concluded that induced magnetism in nanocrystalline SiC films is caused by interaction of magnetic moments of neutral VSiVC divacancies in separate nanocrystals. The estimated concentration of neutral VSiVC divacancies in nanocrystalline SiC films is ~1020 Ñmâ3.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Physica E: Low-dimensional Systems and Nanostructures - Volume 74, November 2015, Pages 220-225
Journal: Physica E: Low-dimensional Systems and Nanostructures - Volume 74, November 2015, Pages 220-225
نویسندگان
A.V. Semenov, V.O. Pashchenko, V.F. Khirnyi, Ð.Ð. Kozlovskyi, P.V. Mateichenko,