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231225s2018 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.8b00028
|2 doi
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| 028 |
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|a pubmed24n0938.xml
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|a (NLM)29510051
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|a DE-627
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|e rakwb
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|a eng
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| 100 |
1 |
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|a Borgatti, Francesco
|e verfasserin
|4 aut
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| 245 |
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|a Opposite Surface and Bulk Solvatochromic Effects in a Molecular Spin-Crossover Compound Revealed by Ambient Pressure X-ray Absorption Spectroscopy
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|c 2018
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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 06.07.2018
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|a Date Revised 06.07.2018
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a We investigate the solvatochromic effect of a Fe-based spin-crossover (SCO) compound via ambient pressure soft X-ray absorption spectroscopy (AP-XAS) and atomic force microscopy (AFM). AP-XAS provides the direct evidence of the spin configuration for the Fe(II) 3d states of the SCO material upon in situ exposure to specific gas or vapor mixtures; concurrent changes in nanoscale topography and mechanical characteristics are revealed via AFM imaging and AFM-based force spectroscopy, respectively. We find that exposing the SCO material to gaseous helium promotes an effective decrease of the transition temperature of its surface layers, while the exposure to methanol vapor causes opposite surfacial and bulk solvatochromic effects. Surfacial solvatochromism is accompanied by a dramatic reduction of the surface layers stiffness. We propose a rationalization of the observed effects based on interfacial dehydration and solvation phenomena
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|a Journal Article
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|a Torelli, Piero
|e verfasserin
|4 aut
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|a Brucale, Marco
|e verfasserin
|4 aut
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| 700 |
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|a Gentili, Denis
|e verfasserin
|4 aut
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| 700 |
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|a Panaccione, Giancarlo
|e verfasserin
|4 aut
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| 700 |
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|a Castan Guerrero, Celia
|e verfasserin
|4 aut
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|a Schäfer, Bernhard
|e verfasserin
|4 aut
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|a Ruben, Mario
|e verfasserin
|4 aut
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|a Cavallini, Massimiliano
|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 34(2018), 12 vom: 27. März, Seite 3604-3609
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:34
|g year:2018
|g number:12
|g day:27
|g month:03
|g pages:3604-3609
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|u http://dx.doi.org/10.1021/acs.langmuir.8b00028
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