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231224s2013 xx |||||o 00| ||eng c |
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|a 10.1021/la4006983
|2 doi
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|a pubmed24n0758.xml
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|a eng
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| 100 |
1 |
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|a Kim, Sung-Yup
|e verfasserin
|4 aut
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|a Development of a ReaxFF reactive force field for titanium dioxide/water systems
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|c 2013
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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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|a Date Completed 03.02.2014
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|a Date Revised 29.08.2013
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a A new ReaxFF reactive force field has been developed to describe reactions in the Ti-O-H system. The ReaxFF force field parameters have been fitted to a quantum mechanical (QM) training set containing structures and energies related to bond dissociation energies, angle and dihedral distortions, and reactions between water and titanium dioxide, as well as experimental crystal structures, heats of formation, and bulk modulus data. Model configurations for the training set were based on DFT calculations on molecular clusters and periodic systems (both bulk crystals and surfaces). ReaxFF reproduces accurately the QM training set for structures and energetics of small clusters. ReaxFF also describes the relative energetics for rutile, brookite, and anatase. The results of ReaxFF match reasonably well with those of QM for water binding energies, surface energies, and H2O dissociation energy barriers. To validate this ReaxFF description, we have compared its performance against DFT/MD simulations for 1 and 3 monolayers of water interacting with a rutile (110) surface. We found agreement within a 10% error between the DFT/MD and ReaxFF water dissociation levels for both coverages
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|a Journal Article
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|a Kumar, Nitin
|e verfasserin
|4 aut
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1 |
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|a Persson, Petter
|e verfasserin
|4 aut
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| 700 |
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|a Sofo, Jorge
|e verfasserin
|4 aut
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| 700 |
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|a van Duin, Adri C T
|e verfasserin
|4 aut
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| 700 |
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|a Kubicki, James D
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 29(2013), 25 vom: 25. Juni, Seite 7838-46
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:29
|g year:2013
|g number:25
|g day:25
|g month:06
|g pages:7838-46
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|u http://dx.doi.org/10.1021/la4006983
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