Field-regulated switching of the magnetization of Co-porphyrin on graphene (Articolo in rivista)

Type
Label
  • Field-regulated switching of the magnetization of Co-porphyrin on graphene (Articolo in rivista) (literal)
Anno
  • 2014-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevB.89.144411 (literal)
Alternative label
  • D. Klar [1,2] , S. Bhandary [3], A. Candini [4], L. Joly [5], P. Ohresser [6], S. Klyatskaya [7], M. Schleberger [1,2], M. Ruben [5,7], M. Affronte [4,8], O. Eriksson [3], B. Sanyal [3], H. Wende [1,2] (2014)
    Field-regulated switching of the magnetization of Co-porphyrin on graphene
    in Physical review. B, Condensed matter and materials physics
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • D. Klar [1,2] , S. Bhandary [3], A. Candini [4], L. Joly [5], P. Ohresser [6], S. Klyatskaya [7], M. Schleberger [1,2], M. Ruben [5,7], M. Affronte [4,8], O. Eriksson [3], B. Sanyal [3], H. Wende [1,2] (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www.scopus.com/inward/record.url?eid=2-s2.0-84899727386&partnerID=q2rCbXpz (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 89 (literal)
Rivista
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  • 14 (literal)
Note
  • Scopu (literal)
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  • [ 1 ] Univ Duisburg Essen, Fac Phys, D-47048 Duisburg, Germany [ 2 ] Univ Duisburg Essen, Ctr Nanointegrat Duisburg Essen CENIDE, D-47048 Duisburg, Germany [ 3 ] Uppsala Univ, Dept Phys & Astron, S-75120 Uppsala, Sweden [ 4 ] CNR, Ist Nanosci, Ctr S3, I-41125 Modena, Italy [ 5 ] Univ Strasbourg, Inst Phys & Chim Mat Strasbourg, F-67034 Strasbourg 2, France [ 6 ] Synchrotron SOLEIL, F-91192 Gif Sur Yvette, France [ 7 ] Karlsruhe Inst Technol, Inst Nanotechnol, D-76344 Eggenstein Leopoldshafen, Germany [ 8 ] Univ Modena & Reggio Emilia, Dipartimento Sci Fis Informat & Matemat, I-41125 Modena, Italy (literal)
Titolo
  • Field-regulated switching of the magnetization of Co-porphyrin on graphene (literal)
Abstract
  • Different magnetic coupling mechanisms have been identified 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 intermolecular coupling gives rise to a complex field-dependent response of this hybrid system. By continuously increasing the magnetic field 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-specific magnetization and field dependence was probed. The nature of the magnetic couplings is identified by means of density functional theory and orbital-dependent susceptibilities. © 2014 American Physical Society. (literal)
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