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231224s2015 xx |||||o 00| ||eng c |
| 024 |
7 |
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|a 10.1021/la5049858
|2 doi
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|a pubmed24n0822.xml
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|a eng
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| 100 |
1 |
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|a Black, Jana E
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Molecular dynamics study of alkylsilane monolayers on realistic amorphous silica surfaces
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|c 2015
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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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 12.05.2015
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|a Date Revised 17.03.2015
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Interfacial properties of n-alkylsilane monolayers on silica have been investigated with molecular dynamics simulations using both reactive and classical (i.e., nonreactive) force fields. A synthesis mimetic simulation (SMS) procedure using the reactive force field ReaxFF has been developed to mimic the experimental processing of silicon wafers involved in the preparation of alkylsilane monolayers; in the SMS procedure, amorphous silica surfaces are generated and exposed to hydrogen peroxide (H2O2) to create a hydroxide surface layer. Alkylsilane monolayers are then assembled on these surfaces, and their behavior is studied. To investigate the impact of the SMS procedure on monolayer properties, simulations have also been performed using more idealized monolayers assembled on crystalline surfaces and non-H2O2-processed amorphous surfaces. The simulations reported here demonstrate that processing-induced silica surface roughness plays a key role in the structure and frictional performance of monolayers. Furthermore, ignoring these effects results in a significant underestimation of the coefficient of friction and an overestimation of the orientational ordering of the monolayers
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| 650 |
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4 |
|a Journal Article
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| 700 |
1 |
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|a Iacovella, Christopher R
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Cummings, Peter T
|e verfasserin
|4 aut
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| 700 |
1 |
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|a McCabe, Clare
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 31(2015), 10 vom: 17. März, Seite 3086-93
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
1 |
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|g volume:31
|g year:2015
|g number:10
|g day:17
|g month:03
|g pages:3086-93
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| 856 |
4 |
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|u http://dx.doi.org/10.1021/la5049858
|3 Volltext
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