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Asymmetric self-diffusion with orientation-dependence of water molecule in finite timescale
Wei, X; Sheng, N; Wan, RZ; Hu, GH; Fang, HP; Hu, GH (reprint author), Shanghai Univ, Shanghai Inst Appl Math & Mech, Shanghai 200072, Peoples R China.; Fang, HP (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Div Interfacial Water, Shanghai 201800, Peoples R China.; Fang, HP (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Key Lab Interfacial Phys & Technol, Shanghai 201800, Peoples R China.
2016
Source PublicationSCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY
ISSN1674-7348
Volume59Issue:7Pages:
Subtype期刊文献
AbstractSelf-diffusion of water has been investigated by molecular dynamics simulations. It was found that the preference of the direction in self-diffusion of water is orientation dependent in a finite time. For a time of similar to 100 ps, there are more possibilities for water molecules moving along the initial dipole orientation than in the opposite direction. This reveals that self-diffusion of water molecules is asymmetric in a finite time. We tested four water models and found that they all show similar asymmetric diffusion, indicating that asymmetric diffusion of water is intrinsic behavior rather than induced by the water model. These results are important for understanding and application of asymmetric diffusion in research fields such as biological water and confined water in small dimensions.
KeywordBrownian-motion Carbon Nanotubes Thermal Noise Dynamics Time Nanoscale Channel Scale Model
DOI10.1007/s11433-015-0479-x
Indexed BySCI
Language英语
WOS IDWOS:000375574700002
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/25651
Collection中科院上海应用物理研究所2011-2018年
Corresponding AuthorHu, GH (reprint author), Shanghai Univ, Shanghai Inst Appl Math & Mech, Shanghai 200072, Peoples R China.; Fang, HP (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Div Interfacial Water, Shanghai 201800, Peoples R China.; Fang, HP (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Key Lab Interfacial Phys & Technol, Shanghai 201800, Peoples R China.
Recommended Citation
GB/T 7714
Wei, X,Sheng, N,Wan, RZ,et al. Asymmetric self-diffusion with orientation-dependence of water molecule in finite timescale[J]. SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY,2016,59(7):—.
APA Wei, X.,Sheng, N.,Wan, RZ.,Hu, GH.,Fang, HP.,...&Fang, HP .(2016).Asymmetric self-diffusion with orientation-dependence of water molecule in finite timescale.SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY,59(7),—.
MLA Wei, X,et al."Asymmetric self-diffusion with orientation-dependence of water molecule in finite timescale".SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY 59.7(2016):—.
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