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231224s2012 xx |||||o 00| ||eng c |
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|a 10.1021/la302821w
|2 doi
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|a pubmed24n0736.xml
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|a eng
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|a Matei, D G
|e verfasserin
|4 aut
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|a Structural investigation of 1,1'-biphenyl-4-thiol self-assembled monolayers on Au(111) by scanning tunneling microscopy and low-energy electron diffraction
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|c 2012
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Completed 19.02.2013
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|a Date Revised 02.10.2012
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Self-assembled monolayers (SAMs) of 1,1'-biphenyl-4-thiol (H-(C(6)H(4))(2)-SH) on Au(111) were prepared from solution or via vapor deposition in ultrahigh vacuum and characterized by scanning tunneling microscopy (STM), low-energy electron diffraction (LEED), and X-ray photoelectron spectroscopy (XPS). In contrast to the typically observed for densely packed alkane-thiol SAMs on Au(111) (√3 × √3)R30° structure, the densely packed aromatic biphenylthiol SAMs prepared by both methods exhibit an unusual hexagonal (2 × 2) structure. Upon annealing at 100 °C, this structure evolves into the (2 × 7√3) structure resulting in the formation of highly ordered pinstripes oriented along the [1 -1 0] directions. Lower density SAMs, prepared by vapor deposition in vacuum, show mixed structures comprising the hexagonal (2 × 2) structure and two rectangular arrangements with the unit cells of (3√3 × 9) and (2√3 × 8). An extinction of the (3√3 × 9) structure in the favor of the (2√3 × 8) structure is observed upon annealing at temperatures of ~100 °C
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a 1,1'-biphenyl-4-thiol
|2 NLM
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|a Biphenyl Compounds
|2 NLM
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|a Sulfhydryl Compounds
|2 NLM
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|a Gold
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|a 7440-57-5
|2 NLM
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|a Muzik, H
|e verfasserin
|4 aut
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|a Gölzhäuser, A
|e verfasserin
|4 aut
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|a Turchanin, A
|e verfasserin
|4 aut
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1999
|g 28(2012), 39 vom: 02. Okt., Seite 13905-11
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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|g volume:28
|g year:2012
|g number:39
|g day:02
|g month:10
|g pages:13905-11
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|u http://dx.doi.org/10.1021/la302821w
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