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Enantiosensitive Bonding of Chiral Molecules on a Magnetic Substrate Investigated by Means of Electron Spectroscopies
Univ Autonoma Madrid, Dept Fis Mat Condensada, E-28049 Madrid, Spain.
IMDEA Nanosci, Madrid 28049, Spain.
Univ Autonoma Madrid, Dept Fis Mat Condensada, E-28049 Madrid, Spain.
Polish Acad Sci, Inst Phys, PL-02668 Warsaw, Poland.
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2018 (English)In: Chimia (Basel), ISSN 0009-4293, Vol. 72, no 6, p. 418-423Article in journal (Refereed) Published
Abstract [en]

The adsorption of purely organic chiral molecules on ferromagnetic Co thin films is studied under ultra high vacuum conditions by means of synchrotron radiation-based electron spectroscopies, namely X-ray absorption and ultraviolet photoemission. X-ray absorption reveals that enantiomers with opposite handedness (R,R) - and (S,S)- of two different molecules adsorb with different strength on the Co surfaces and their valence band photoemission spectra also display distinctive features. In view of the recent reports describing the chiral-induced spin selectivity (CISS) effect these results lead us to consider the possibility that some enantiosensitivity may appear when bonding chiral molecules to a substrate with an initial asymmetry in the population of the different spin orientations.

Place, publisher, year, edition, pages
2018. Vol. 72, no 6, p. 418-423
Keywords [en]
Adsorption, Chirality, Electron spectroscopy, Magnetism, Spin polarization
National Category
Condensed Matter Physics
Identifiers
URN: urn:nbn:se:uu:diva-377730DOI: 10.2533/chimia.2018.418ISI: 000458019700011PubMedID: 29941079OAI: oai:DiVA.org:uu-377730DiVA, id: diva2:1291561
Funder
Carl Tryggers foundation , CTS 16:32Available from: 2019-02-25 Created: 2019-02-25 Last updated: 2019-02-25Bibliographically approved

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Arvanitis, Dimitri

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