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231223s2010 xx |||||o 00| ||eng c |
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|a 10.1021/la100452m
|2 doi
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|a pubmed24n0660.xml
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|a eng
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| 100 |
1 |
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|a Ko, Jeong-Ahn
|e verfasserin
|4 aut
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| 245 |
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|a A study on the behavior of water droplet confined between an atomic force microscope tip and rough surfaces
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|c 2010
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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| 500 |
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|a Date Completed 31.08.2010
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|a Date Revised 10.06.2010
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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|a The atomic force microscope (AFM) is used for imaging, measuring, and manipulating matter at the nanoscale. It is well-known that water condenses between an AFM tip and a solid surface, thereby generating a pull-off force acting on the tip. We investigated the behavior of a water meniscus between the tip and a solid surface using molecular dynamics simulation. We considered ideally smooth surfaces and rough surfaces that are regularly structured and randomly generated with a standard deviation of 2 A. The characteristic energy values of the solid surfaces used in the study are 0.1, 0.5, 1.0, 1.5, 2.0, and 2.5 kcal/mol, and the tip-to-surface distance considered is in the range from 1.5 to 3.7 nm. The behavior of water confined between the tip and a solid surface depends on the characteristic energy of the solid surface, the tip-to-surface distance, and the shape of the solid surface. The contact angle, neck radius of the water meniscus, and absolute value of capillary force decreases as the tip-to-surface distance increases, regardless of the pattern of the solid surface. Compared to an ideally smooth surface, the effect of regularly structured roughness on the behavior of a water meniscus on a solid surface is significant, whereas the effect of randomly generated roughness is relatively small
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| 650 |
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|a Journal Article
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| 700 |
1 |
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|a Choi, Ho-Jin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ha, Man-Yeong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hong, Seung-Do
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yoon, Hyun-Sik
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 26(2010), 12 vom: 15. Juni, Seite 9728-35
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
1 |
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|g volume:26
|g year:2010
|g number:12
|g day:15
|g month:06
|g pages:9728-35
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| 856 |
4 |
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|u http://dx.doi.org/10.1021/la100452m
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