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231224s2013 xx |||||o 00| ||eng c |
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|a 10.1021/la400741b
|2 doi
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|a pubmed24n0758.xml
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|a (NLM)23679799
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|a eng
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1 |
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|a Metwalli, Ezzeldin
|e verfasserin
|4 aut
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|a Cobalt nanoparticles growth on a block copolymer thin film
|b a time-resolved GISAXS study
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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 14.01.2014
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|a Date Revised 02.12.2018
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Cobalt sputter deposition on a nanostructured polystyrene-block-poly(ethylene oxide), P(S-b-EO), template is followed in real time with grazing incidence small-angle X-ray scattering (GISAXS). The polymer template consists of highly oriented parallel crystalline poly(ethylene oxide) (PEO) domains that are sandwiched between two polystyrene (PS) domains. In-situ GISAXS shows that cobalt atoms selectively decorate the PS domains of the microphase-separated polymer film and then aggregate to form surface metal nanopatterns. The polymer template is acting as a directing agent where cobalt metal nanowires are formed. At high metal load, the characteristic selectivity of the template is lost, and a uniform metal layer forms on the polymer surface. During the early stage of cobalt metal deposition, a highly asymmetric nanoparticles agglomeration is dominating structure formation. The cobalt nanoparticles mobility in combination with the high tendency of the nanoparticles to coalescence and to form immobile large-sized particles at the PS domains are discussed as mechanisms of structure formation
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Cobalt
|2 NLM
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|a 3G0H8C9362
|2 NLM
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|a Polyethylene Glycols
|2 NLM
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|a 3WJQ0SDW1A
|2 NLM
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|a Körstgens, Volker
|e verfasserin
|4 aut
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|a Schlage, Kai
|e verfasserin
|4 aut
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|a Meier, Robert
|e verfasserin
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|a Kaune, Gunar
|e verfasserin
|4 aut
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|a Buffet, Adeline
|e verfasserin
|4 aut
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|a Couet, Sebastien
|e verfasserin
|4 aut
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|a Roth, Stephan V
|e verfasserin
|4 aut
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|a Röhlsberger, Ralf
|e verfasserin
|4 aut
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|a Müller-Buschbaum, Peter
|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), 21 vom: 28. Mai, Seite 6331-40
|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:21
|g day:28
|g month:05
|g pages:6331-40
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|u http://dx.doi.org/10.1021/la400741b
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