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  Investigation of the Molecular Motion of Self-Assembled Fatty Acid Films

Risse, T., Hill, T., Schmidt, J., Abend, G., Hamann, H., & Freund, H.-J. (1998). Investigation of the Molecular Motion of Self-Assembled Fatty Acid Films. The Journal of Physical Chemistry B, 102(15), 2668-2676. doi:10.1021/jp972459u.

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 Urheber:
Risse, Thomas1, Autor           
Hill, Thomas1, Autor           
Schmidt, Jörg1, Autor           
Abend, Günter2, Autor           
Hamann, Heiko1, Autor           
Freund, Hans-Joachim1, Autor           
Affiliations:
1Chemical Physics, Fritz Haber Institute, Max Planck Society, ou_24022              
2Fritz Haber Institute, Max Planck Society, ou_24021              

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 Zusammenfassung: We have investigated self-assembled stearic acid films adsorbed on an Al2O3 film by means of electron paramagnetic resonance (EPR) as well as near-edge X-ray absorption fine structure (NEXAFS) spectroscopy. The stearic acid molecules are orientated in the film as shown by the NEXAFS data. Doping of the film with spin-labels in order to make the films accessible to EPR spectroscopy distorts the structure only slightly as long as the concentration of the spin-labels is low. The temperature-dependent EPR spectra reveal a distinct dependence of the onset of the rotational motion of the spin-label with variation of the location of the spin-label along the chain. The analysis of the EPR line shape allows to gain insight into the internal motion of the molecular chain.

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Sprache(n): eng - English
 Datum: 1997-11-251997-07-281998-03-171998-04-01
 Publikationsstatus: Erschienen
 Seiten: 9
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: DOI: 10.1021/jp972459u
 Art des Abschluß: -

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Titel: The Journal of Physical Chemistry B
  Andere : J. Phys. Chem. B
Genre der Quelle: Zeitschrift
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Ort, Verlag, Ausgabe: Washington, D.C. : American Chemical Society
Seiten: 9 Band / Heft: 102 (15) Artikelnummer: - Start- / Endseite: 2668 - 2676 Identifikator: ISSN: 1520-6106
CoNE: https://pure.mpg.de/cone/journals/resource/1000000000293370_1