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231223s2008 xx |||||o 00| ||eng c |
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|a 10.1021/la703406d
|2 doi
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|a pubmed24n0600.xml
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|a eng
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| 100 |
1 |
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|a Mueller, Kerstin
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Chemical imaging of the surface of self-assembled polystyrene-b-poly(methyl methacrylate) diblock copolymer films using apertureless near-field IR microscopy
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|c 2008
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Completed 15.08.2008
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|a Date Revised 26.06.2008
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a The nanoscale chemical composition variations of the surfaces of thin films of polystyrene- b-poly(methyl methacrylate) (PS- b-PMMA) diblock copolymers are investigated using apertureless near-field IR microscopy. The scattering of the incident infrared beam from a modulated atomic force microscopy (AFM) tip is probed using homodyne detection and demodulation at the tip oscillation frequency. An increase in the IR attenuation is observed in the PMMA-rich domains with a wavenumber dependence that is consistent with the bulk absorption spectrum. The results indicate that even though a small topography-induced artifact can be observed in the near-field images, the chemical signature of the sample is detected clearly
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|a Journal Article
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|a Research Support, N.I.H., Extramural
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|a Research Support, Non-U.S. Gov't
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| 650 |
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|a Research Support, U.S. Gov't, Non-P.H.S.
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| 650 |
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|a Methacrylates
|2 NLM
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| 650 |
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|a Polystyrenes
|2 NLM
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| 650 |
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|a polystyrene-block-poly(methyl methacrylate)
|2 NLM
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|a Yang, Xiujuan
|e verfasserin
|4 aut
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1 |
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|a Paulite, Melissa
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Fakhraai, Zahra
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Gunari, Nikhil
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Walker, Gilbert C
|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 24(2008), 13 vom: 01. Juni, Seite 6946-51
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
1 |
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|g volume:24
|g year:2008
|g number:13
|g day:01
|g month:06
|g pages:6946-51
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|u http://dx.doi.org/10.1021/la703406d
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