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Tailoring the Natur...
Tailoring the Nature of Magnetic Coupling of Fe-Porphyrin Molecules to Ferromagnetic Substrates
- Article/chapterEnglish2009
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LIBRIS-ID:oai:DiVA.org:uu-137329
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https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-137329URI
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https://doi.org/10.1103/PhysRevLett.102.047202DOI
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Language:English
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Summary in:English
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
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We demonstrate that an antiferromagnetic coupling between paramagnetic Fe-porphyrin molecules and ultrathin Co and Ni magnetic films on Cu(100) substrates can be established by an intermediate layer of atomic oxygen. The coupling energies have been determined from the temperature dependence of x-ray magnetic circular dichroism measurements. By density functional theory+U calculations the coupling mechanism is shown to be superexchange between the Fe center of the molecules and Co surface-atoms, mediated by oxygen.
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Miguel, J.
(author)
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Weis, C.
(author)
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Ali, Md. E.Uppsala universitet,Institutionen för fysik och materialvetenskap
(author)
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Kurde, J.
(author)
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Krumme, B.
(author)
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Panchmatia, P. M.Uppsala universitet,Institutionen för fysik och materialvetenskap
(author)
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Sanyal, B.Uppsala universitet,Institutionen för fysik och materialvetenskap
(author)
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Piantek, M.
(author)
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Srivastava, P.
(author)
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Baberschke, K.
(author)
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Oppeneer, Peter M.Uppsala universitet,Institutionen för fysik och materialvetenskap(Swepub:uu)peopp623
(author)
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Eriksson, OlleUppsala universitet,Institutionen för fysik och materialvetenskap(Swepub:uu)olleerik
(author)
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Kuch, W.
(author)
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Wende, H.
(author)
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Uppsala universitetInstitutionen för fysik och materialvetenskap
(creator_code:org_t)
Related titles
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In:Physical Review Letters102:4, s. 047202-0031-90071079-7114
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Bernien, M.
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Miguel, J.
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Weis, C.
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Ali, Md. E.
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Kurde, J.
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Krumme, B.
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Panchmatia, P. M ...
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Sanyal, B.
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Piantek, M.
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Srivastava, P.
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Baberschke, K.
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Oppeneer, Peter ...
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Eriksson, Olle
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Kuch, W.
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Wende, H.
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- NATURAL SCIENCES
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NATURAL SCIENCES
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Uppsala University