CAS OpenIR  > 中科院上海应用物理研究所2011-2019年
Asymmetrical free diffusion with orientation-dependence of molecules in finite timescales
Sheng Nan; Tu YuSong; Guo Pan; Wan RongZheng; Fang HaiPing(方海平)
2013
Source PublicationSCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY
ISSN1674-7348
Volume56Issue:6Pages:CONCATENATE(Sheet1!I38,-Sheet1!J38)
AbstractUsing molecular dynamics simulations, we show that free diffusion of a nanoscale particle (molecule) with asymmetric structure critically depends on the orientation in a finite timescale of picoseconds to nanoseconds. In a timescale of similar to 100 ps, there are similar to 10% more possibilities for the particle moving along the initial orientation than moving opposite to the orientation; and the diffusion distances of the particle reach similar to 1 nm. We find that the key to this observation is the orientation-dependence of the damping force to the moving of the nanoscale particle and a finite time is required to regulate the particle orientation. This finding extends the work of Einstein to nano-world beyond random Brownian motion, thus will have a critical role in the understanding of the nanoscale world.
Indexed BySCI
Language英语
Funding Project应物所项目组
WOS IDWOS:000319072700001
Citation statistics
Cited Times:8[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/13676
Collection中科院上海应用物理研究所2011-2019年
Recommended Citation
GB/T 7714
Sheng Nan,Tu YuSong,Guo Pan,et al. Asymmetrical free diffusion with orientation-dependence of molecules in finite timescales[J]. SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY,2013,56(6):CONCATENATE(Sheet1!I38,-Sheet1!J38).
APA Sheng Nan,Tu YuSong,Guo Pan,Wan RongZheng,&Fang HaiPing.(2013).Asymmetrical free diffusion with orientation-dependence of molecules in finite timescales.SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY,56(6),CONCATENATE(Sheet1!I38,-Sheet1!J38).
MLA Sheng Nan,et al."Asymmetrical free diffusion with orientation-dependence of molecules in finite timescales".SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY 56.6(2013):CONCATENATE(Sheet1!I38,-Sheet1!J38).
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