CROSS-DISCIPLINARY PHYSICS AND RELATED AREAS OF SCIENCE AND TECHNOLOGY |
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Nano-Crystalline Diamond Films with Pineapple-Like Morphology Grown by the DC Arcjet vapor Deposition Method |
LI Bin1, ZHANG Qin-Jian2, SHI Yan-Chao3, LI Jia-Jun3, LI Hong1, LU Fan-Xiu1, CHEN Guang-Chao3** |
1School of Metallurgical and Ecological Ebgineering, University of Science and Technology Beijing, Beijing 100083 2School of Mechanical, Electronic and Control Engineering, Beijing Jiaotong University, Beijing 100044 3College of Materials Science and Opto-electronic Technology, University of Chinese Academy of Sciences, Beijing 100049
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Cite this article: |
LI Bin, ZHANG Qin-Jian, SHI Yan-Chao et al 2014 Chin. Phys. Lett. 31 088104 |
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Abstract A nano-crystlline diamond film is grown by the dc arcjet chemical vapor deposition method. The film is characterized by scanning electron microscopy, high-resolution transmission electron microscopy (HRTEM), x-ray diffraction (XRD) and Raman spectra, respectively. The nanocrystalline grains are averagely with 80 nm in the size measured by XRD, and further proven by Raman and HRTEM. The observed novel morphology of the growth surface, pineapple-like morphology, is constructed by cubo-octahedral growth zones with a smooth faceted top surface and coarse side surfaces. The as-grown film possesses (100) dominant surface containing a little amorphous sp2 component, which is far different from the nano-crystalline film with the usual cauliflower-like morphology.
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PACS: |
81.05.uj
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(Diamond/nanocarbon composites)
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81.07.Bc
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(Nanocrystalline materials)
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81.15.Gh
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(Chemical vapor deposition (including plasma-enhanced CVD, MOCVD, ALD, etc.))
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