کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
9699142 | 1461440 | 2005 | 4 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Electrical properties of N atomic layer doped Si epitaxial films grown by ultraclean low-pressure chemical vapor deposition
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
سایر رشته های مهندسی
مهندسی برق و الکترونیک
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چکیده انگلیسی
Sheet carrier concentration and Hall mobility of the N atomic layer doped Si epitaxial films on Si(1Â 0Â 0) were obtained by Hall effect measurement. It is found that the N atoms act as a donor. Donor activation ratio tends to decrease with increasing N amount, and the typical ratio is about 0.4% at the N amount of 5Ã1013Â cmâ2/layer. Sheet carrier concentration in the temperature region higher than 160Â K drastically increases with increase of the measurement temperature. The ionization energy of the donor level is estimated about 150-180Â meV and almost independent of the N amount. Measured Hall mobility is as high as that of the uniformly P-doped Si with the P concentration of 1016-1017Â cmâ3 in the measurement temperature range of 160-300Â K.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Materials Science in Semiconductor Processing - Volume 8, Issues 1â3, FebruaryâJune 2005, Pages 121-124
Journal: Materials Science in Semiconductor Processing - Volume 8, Issues 1â3, FebruaryâJune 2005, Pages 121-124
نویسندگان
Youngcheon Jeong, Masao Sakuraba, Junichi Murota,