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The Role of Rare-Ea...
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Blanco-Rey, M.Centro de Física de Materiales (CSIC-UPV/EHU),Universidad del Pais Vasco / Euskal Herriko Unibertsitatea,University of the Basque Country (UPV/EHU),Donostia International Physics Center
(author)
The Role of Rare-Earth Atoms in the Anisotropy and Antiferromagnetic Exchange Coupling at a Hybrid Metal–Organic Interface
- Article/chapterEnglish2024
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2024
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electronicrdacarrier
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LIBRIS-ID:oai:research.chalmers.se:ad214cd9-c976-4b8d-8f3c-c30ccba1f9c0
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https://research.chalmers.se/publication/542466URI
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https://doi.org/10.1002/smll.202402328DOI
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Language:English
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Summary in:English
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Subject category:art swepub-publicationtype
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Subject category:ref swepub-contenttype
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Magnetic anisotropy and magnetic exchange interactions are crucial parameters that characterize the hybrid metal–organic interface, a key component of an organic spintronic device. It is shown that the incorporation of 4f RE atoms to hybrid metal–organic interfaces of CuPc/REAu2 type (RE = Gd, Ho) constitutes a feasible approach toward on-demand magnetic properties and functionalities. The GdAu2 and HoAu2 substrates differ in their magnetic anisotropy behavior. Remarkably, the HoAu2 surface promotes the inherent out-of-plane anisotropy of CuPc, owing to the match between the anisotropy axis of substrate and molecule. Furthermore, the presence of RE atoms leads to a spontaneous antiferromagnetic exchange coupling at the interface, induced by the 3d–4f superexchange interaction between the unpaired 3d electron of CuPc and the 4f electrons of the RE atoms. It is shown that 4f RE atoms with unquenched quantum orbital momentum ((Formula presented.)), as it is the case of Ho, induce an anisotropic interfacial exchange coupling.
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Castrillo, RodrigoDonostia International Physics Center,Centro de Física de Materiales (CSIC-UPV/EHU)
(author)
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Ali, Khadiza,1989Donostia International Physics Center,Centro de Física de Materiales (CSIC-UPV/EHU),Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)khadizaa
(author)
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Gargiani, PierluigiEl Sincrotrón ALBA,ALBA Synchrotron Light Facility
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Ilyn, M.Centro de Física de Materiales (CSIC-UPV/EHU)
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Gastaldo, MicheleCzech Academy of Sciences,Institut Catala de Nanociencia i Nanotecnologia
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Paradinas, MarkosInstitut de Ciència de Materials de Barcelona (ICMAB-CSIC),Institute of Material Science of Barcelona (ICMAB),Institut Catala de Nanociencia i Nanotecnologia
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Valbuena, Miguel A.Institut Catala de Nanociencia i Nanotecnologia,IMDEA Nanoscience Institute
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Mugarza, AitorInstitut Catala de Nanociencia i Nanotecnologia,Institucio Catalana de Recerca i Estudis Avancats (ICREA),Catalan Institution for Research and Advanced Studies (ICREA)
(author)
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Ortega, J. EnriqueUniversidad del Pais Vasco / Euskal Herriko Unibertsitatea,University of the Basque Country (UPV/EHU),Donostia International Physics Center,Centro de Física de Materiales (CSIC-UPV/EHU)
(author)
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Schiller, F.Centro de Física de Materiales (CSIC-UPV/EHU)
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Fernandez, L.Centro de Física de Materiales (CSIC-UPV/EHU),Centro de Investigacion Cooperativa en Nanociencias
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Centro de Física de Materiales (CSIC-UPV/EHU)Universidad del Pais Vasco / Euskal Herriko Unibertsitatea
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