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  Enhanced Magnetic Hybridization of a Spinterface through Insertion of a Two-Dimensional Magnetic Oxide Layer

Brambilla, A., Picone, A., Giannotti, D., Calloni, A., Berti, G., Bussetti, G., et al. (2017). Enhanced Magnetic Hybridization of a Spinterface through Insertion of a Two-Dimensional Magnetic Oxide Layer. Nano Letters, 17(12), 7440-7446. doi:10.1021/acs.nanolett.7b03314.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0000-75AB-C Version Permalink: http://hdl.handle.net/21.11116/0000-0000-7759-7
Genre: Journal Article

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 Creators:
Brambilla, Alberto1, Author
Picone, Andrea1, Author
Giannotti, Dario1, Author
Calloni, Alberto1, Author
Berti, Giulia1, 2, Author              
Bussetti, Gianlorenzo1, Author
Achilli, Simona3, Author
Fratesi, Guido3, Author
Trioni, Mario I.4, Author
Vinai, Giovanni5, Author
Torelli, Piero5, Author
Panaccione, Giancarlo5, Author
Duò, Lamberto1, Author
Finazzi, Marco1, Author
Ciccacci, Franco1, Author
Affiliations:
1Dipartimento di Fisica, Politecnico di Milano, piazza Leonardo da Vinci, 32, 20133 Milano, Italy, escidoc:persistent22              
2Chemical Physics, Fritz Haber Institute, Max Planck Society, escidoc:24022              
3Dipartimento di Fisica, Università degli Studi di Milano, Via Celoria, 16, 20133 Milano, Italy, escidoc:persistent22              
4CNR - National Research Council of Italy, ISTM, via Golgi 19, 20133 Milano, Italy, escidoc:persistent22              
5Laboratorio TASC, IOM-CNR, S.S. 14 km 163.5, Basovizza, I, 34149 Trieste, Italy, escidoc:persistent22              

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 Abstract: Interfaces between organic semiconductors and ferromagnetic metals offer intriguing opportunities in the rapidly developing field of organic spintronics. Understanding and controlling the spin-polarized electronic states at the interface is the key toward a reliable exploitation of this kind of systems. Here we propose an approach consisting in the insertion of a two-dimensional magnetic oxide layer at the interface with the aim of both increasing the reproducibility of the interface preparation and offering a way for a further fine control over the electronic and magnetic properties. We have inserted a two-dimensional Cr4O5 layer at the C60/Fe(001) interface and have characterized the corresponding morphological, electronic, and magnetic properties. Scanning tunneling microscopy and electron diffraction show that the film grows well-ordered both in the monolayer and multilayer regimes. Electron spectroscopies confirm that hybridization of the electronic states occurs at the interface. Finally, magnetic dichroism in X-ray absorption shows an unprecedented spin-polarization of the hybridized fullerene states. The latter result is discussed also in light of an ab initio theoretical analysis.

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Language(s): eng - English
 Dates: 2017-11-162017-08-022017-11-172017-12-13
 Publication Status: Published in print
 Pages: 7
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1021/acs.nanolett.7b03314
 Degree: -

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Title: Nano Letters
  Abbreviation : Nano Lett.
Source Genre: Journal
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Publ. Info: Washington, DC : American Chemical Society
Pages: 7 Volume / Issue: 17 (12) Sequence Number: - Start / End Page: 7440 - 7446 Identifier: ISSN: 1530-6984
CoNE: http://pubman.mpdl.mpg.de/cone/journals/resource/110978984570403