کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
9830317 | 1524507 | 2005 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
High-density, uniform gallium nitride nanorods grown on Au-coated silicon substrate
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
فیزیک و نجوم
فیزیک ماده چگال
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: High-density, uniform gallium nitride nanorods grown on Au-coated silicon substrate High-density, uniform gallium nitride nanorods grown on Au-coated silicon substrate](/preview/png/9830317.png)
چکیده انگلیسی
High-density GaN nanorods with uniform diameters and lengths were successfully grown on Au-coated silicon substrate. The diameters were in the range of 50-80 nm, and the lengths ranged from 1 to 2 μm. A significant feature is that each nanorod was attached with nanoparticle at its very end, which is consistent with the vapor-liquid-solid (VLS) growth mechanism. It was also found that the as-grown final product is strongly dependent on the thickness of the Au thin film coated on the silicon substrate. According to the experimental results, we proposed that the catalytic activity of gold is determined by the size of Au particles, and just very small Au clusters exhibit effective reactivity in the growth of GaN one-dimensional nanostructures.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Crystal Growth - Volume 273, Issues 3â4, 3 January 2005, Pages 375-380
Journal: Journal of Crystal Growth - Volume 273, Issues 3â4, 3 January 2005, Pages 375-380
نویسندگان
Chuanbao Cao, Xu Xiang, Hesun Zhu,