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231224s2013 xx |||||o 00| ||eng c |
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|a 10.1021/la401364e
|2 doi
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|a DE-627
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|a eng
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|a Venkataraman, Nagaiyanallur V
|e verfasserin
|4 aut
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| 245 |
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|a Template-stripped, ultraflat gold surfaces with coplanar, embedded titanium micropatterns
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|c 2013
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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 25.02.2014
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|a Date Revised 06.08.2013
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Ultraflat gold surfaces with coplanar, embedded titanium micropatterns, exhibiting extremely low roughness over the entire surface, have been obtained by a modified template-stripping procedure. Titanium is deposited onto photolithographically predefined regions of a silicon template. Following photoresist lift-off, the entire surface is backfilled with gold, template stripping is conducted, and an ultraflat micropatterned surface is revealed. Atomic force microscopy confirms a roughness of <0.5 nm RMS on both Ti and Au regions, with a topographically indistinguishable gold-titanium interface. Detailed surface-chemical maps of the patterned surfaces have been obtained by means of imaging X-ray photoelectron spectroscopy (i-XPS) as well as time-of-flight secondary-ion mass spectrometry (ToF-SIMS). They confirm the presence of well-separated Ti and Au regions, with a chemical contrast that is sharp (as determined by ToF-SIMS) and complete (as determined by i-XPS) across the Ti-Au interface. Thus, a surface has been fabricated that is physically homogeneous down to the nanoscale incorporating chemically distinct micropatterns consisting of two different metals, with totally contrasting surface chemistries
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|a Journal Article
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|a Gold
|2 NLM
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|a 7440-57-5
|2 NLM
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| 650 |
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7 |
|a Titanium
|2 NLM
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| 650 |
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|a D1JT611TNE
|2 NLM
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| 700 |
1 |
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|a Pei, Jia
|e verfasserin
|4 aut
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1 |
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|a Cremmel, Clément V M
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Rossi, Antonella
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Spencer, Nicholas 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), 31 vom: 06. Aug., Seite 9935-43
|w (DE-627)NLM098181009
|x 1520-5827
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| 773 |
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|g volume:29
|g year:2013
|g number:31
|g day:06
|g month:08
|g pages:9935-43
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|u http://dx.doi.org/10.1021/la401364e
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