2009
DOI: 10.1063/1.3200227
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Theoretical study of hierarchical structures and heredity effect of silicon solidifying on carbon nanotube

Abstract: The growth of silicon atoms at the heterogeneous surface of carbon nanotubes ͑CNTs͒ is studied by means of molecular dynamics simulations. The results indicate that silicon atoms are concentrated to form an "annual ring" structure around CNTs. The structures of CNTs have strong correlation with the stacking sequence of silicon atoms. Heredity effect can be clearly observed during the heterogeneous nucleation. The uniform internal potential field around CNTs results in the formation of annual ring structures.

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Cited by 11 publications
(5 citation statements)
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“…The cylindrical single-walled carbon nanotube (SWNT) possesses a large specific surface area and hollow interior that provide an excellent opportunity to integrate with other materials to fabricate composite nanostructures. The integration of SWNTs into other materials can impact their toughness, mechanical strength, crystalline morphology, and other properties like electrical conductivity. The noncovalent “wrapping” of polymer chains around an SWNT is an interesting phenomenon, , which can be utilized to solubilize and disperse SWNTs, , drive assembled mechanisms, , and alter the fictionalization of the tubes .…”
Section: Introductionmentioning
confidence: 99%
“…The cylindrical single-walled carbon nanotube (SWNT) possesses a large specific surface area and hollow interior that provide an excellent opportunity to integrate with other materials to fabricate composite nanostructures. The integration of SWNTs into other materials can impact their toughness, mechanical strength, crystalline morphology, and other properties like electrical conductivity. The noncovalent “wrapping” of polymer chains around an SWNT is an interesting phenomenon, , which can be utilized to solubilize and disperse SWNTs, , drive assembled mechanisms, , and alter the fictionalization of the tubes .…”
Section: Introductionmentioning
confidence: 99%
“…When the melt is limited in the narrow gap of the nanometer scale, its dynamic behavior will be strongly limited by the wall. Compared with bulk, low-dimensional confined melts often have strange dynamic behaviors and properties, such as delamination, abrupt viscosity change, , freezing point shift, and so on. Unruh et al studied the melting and solidification behavior of indium in porous silica glass pores by DSC and found that the freezing point of confined indium melt was obviously lower than that of bulk, and the smaller the pore size, the lower the freezing point.…”
Section: Introductionmentioning
confidence: 99%
“…Notably, plenty of research results manifest that foreign nuclei can transfer their structure and shape information to solidified structures. Levi disclosed that the introduction of heterogeneous graphite in liquid cast iron has a remarkable heredity effect, 26 and increasing work has been carried out to explore this phenomenon. 27,28 Due to the vast technological importance of nucleation, much work has been carried out to understand freezing features from both analytical theories [29][30][31][32][33][34][35] and experimental techniques, [36][37][38][39] but some important questions on the earliest stage of heterogeneous nucleation have not been well understood.…”
Section: Introductionmentioning
confidence: 99%