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- Klar, D. (author)
Field-regulated switching of the magnetization of Co-porphyrin on graphene
- Article/chapterEnglish2014
Publisher, publication year, extent ...
- 2014
- printrdacarrier
Numbers
- LIBRIS-ID:oai:DiVA.org:uu-217173
- https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-217173URI
- https://doi.org/10.1103/PhysRevB.89.144411DOI
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- Language:English
- Summary in:English
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Notes
- Different magnetic coupling mechanisms have been identied for a few monolayers of Co-porphyrin molecules deposited on a graphene covered Ni(111) single crystal. A relatively strong antiferromagnetic coupling of the first molecular layer via graphene to the Ni crystal in comparison to a weaker inter-molecular coupling gives rise to a complex field-dependent response of this hybrid system. By continuously increasing the magnetic eld strength the net magnetization of the molecular system switches from antiparallel to parallel to the field direction at 2.5 T. Utilizing x-ray absorption spectroscopy and x-ray magnetic circular dichroism, the element specic magnetization and field dependence was probed. The nature of the magnetic couplings is identied by means of density functional theory and orbital dependent susceptibilities.
Subject headings and genre
- NATURVETENSKAP Fysik Den kondenserade materiens fysik hsv//swe
- NATURAL SCIENCES Physical Sciences Condensed Matter Physics hsv//eng
- Molecular magnet
- Porphyrin
- Magnetic field
- XMCD
- Fysik med inriktning mot atom- molekyl- och kondenserande materiens fysik
- Physics with spec. in Atomic, Molecular and Condensed Matter Physics
Added entries (persons, corporate bodies, meetings, titles ...)
- Bhandary, Sumanta,1985-Uppsala universitet,Materialteori(Swepub:uu)sumbh911 (author)
- Candini, A. (author)
- Joly, L. (author)
- Ohresser, P. (author)
- Klyatskaya, S. (author)
- Schleberger, M. (author)
- Ruben, M. (author)
- Affronte, M (author)
- Eriksson, OlleUppsala universitet,Materialteori(Swepub:uu)olleerik (author)
- Sanyal, BiplabUppsala universitet,Materialteori(Swepub:uu)bisan676 (author)
- Wende, HeikoFaculty of Physics and Center for Nanointegration Duisburg-Essen (CENIDE), University of Duisburg-Essen (author)
- Uppsala universitetMaterialteori (creator_code:org_t)
Related titles
- In:Physical Review B. Condensed Matter and Materials Physics89:14, s. 144411-1098-01211550-235X
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