Uniformly distributed nickel nanoparticles created by heating the carbon nanotube

Zaoli Zhang; Min Gao

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Uniformly distributed nickel nanoparticles created by heating the carbon nanotube

机译：通过加热碳纳米管产生均匀分布的镍纳米粒子

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Uniformly distributed nanoparticles created by heating carbon nanotubes synthesized by arc-discharge were studied by electron diffraction, high-resolution transmission electron microscopy (HRTEM), electron energy loss spectroscopy (EELS), and x-ray energy dispersive spectrometer (EDS). The nanoparticles have diameters in the range of 3-15 nm. Electron diffraction pattern and HRTEM images analysis both show that the nanoparticles can be nickel or diamond. EELS and EDS analysis in a dedicated scanning transmission electron microscope showed that the nanoparticles are face-centered-cubic nickel particles rather than diamond nanocrystals. The mechanism of formation of nickel nanoparticles below its melting point is discussed.

机译：通过电子衍射，高分辨率透射电子显微镜（HRTEM），电子能量损失谱（EELS）和X射线能量色散谱仪（EDS）研究了通过加热电弧放电合成的碳纳米管而产生的均匀分布的纳米颗粒。纳米颗粒的直径在3-15nm的范围内。电子衍射图谱和HRTEM图像分析均表明，纳米粒子可以是镍或金刚石。专用扫描透射电子显微镜中的EELS和EDS分析表明，纳米颗粒是面心立方镍颗粒，而不是金刚石纳米晶体。讨论了镍纳米粒子在其熔点以下形成的机理。

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来源
《Journal of Materials Research》 |2003年第3期|p.604-608|共5页
作者
Zaoli Zhang; Min Gao;
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作者单位

Beijing Laboratory of Electron Microscopy, Institute of Physics and Centre for Condensed Matter Physics, Beijing, People's Republic of China, and Max-Planck-Institut fur Metallforschung, Heisenbergstrasse 3, D-70569 Stuttgart, Germany;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
原文格式 PDF
正文语种 eng
中图分类工程材料学;
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Uniformly distributed nickel nanoparticles created by heating the carbon nanotube

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