Carbon Nanoarch Encapsulating Fe Nanowire on Ni(111)

Carbon Nanoarch Encapsulating Fe Nanowire on Ni(111)
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DOI:
10.1143/jjap.45.2869
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发表时间:
2005-08
影响因子:
1.5
通讯作者:
M. David;T. Kishi;M. Kisaku;H. Nakanishi;H. Kasai
M. David;T. Kishi;M. Kisaku;H. Nakanishi;H. Kasai
中科院分区:
物理与天体物理4区
文献类型:
--
作者:
M. David;T. Kishi;M. Kisaku;H. Nakanishi;H. Kasai

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基于密度泛函理论,我们研究了 Ni(111) 上的单壁碳纳米管 (SWNT) 以及 Ni(111) 上的单壁碳纳米管 (SWNT) 填充 Fe 线时的稳定结构。我们发现 Ni(111) 上的纳米管具有稳定的几何结构和电子态。我们提出了碳纳米管的 C-C 键被 Fe 线和 Ni 表面破坏的可能性。也就是说,当Fe填充的SWNT(3,3)吸附在Ni(111)表面时,SWNT转变为拱形结构。
We investigate the stable structures of single-walled carbon nanotubes (SWNTs) on Ni(111) and when a SWNT is filled with Fe wire on Ni(111), based on density functional theory. We find stable geometries and electronic states for the nanotube on Ni(111). We propose the possibility that the C–C bonds of a carbon nanotube are broken by an Fe wire and a Ni surface. That is, when an Fe-filled SWNT (3,3) adsorbs on Ni(111) surface, the SWNT transforms into an arch-like structure.