Antiferromagnetic coupling of Cr-porphyrin to a bare Co substrate

Jung, Thomas A.; Wackerlin, Christian; Siewert, Dorota; Wckerlin, Aneliia; Kleibert, Armin; BALLAV, NIRMALYA; Tarafder, Kartick; Oppeneer, Peter M.; Girovsky, Jan; Nowakowski, Jan; Hahlen, Tatjana

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dc.contributor.author	Girovsky, Jan	en_US
dc.contributor.author	Tarafder, Kartick	en_US
dc.contributor.author	Wackerlin, Christian	en_US
dc.contributor.author	Nowakowski, Jan	en_US
dc.contributor.author	Siewert, Dorota	en_US
dc.contributor.author	Hahlen, Tatjana	en_US
dc.contributor.author	Wckerlin, Aneliia	en_US
dc.contributor.author	Kleibert, Armin	en_US
dc.contributor.author	BALLAV, NIRMALYA	en_US
dc.contributor.author	Jung, Thomas A.	en_US
dc.contributor.author	Oppeneer, Peter M.	en_US
dc.date.accessioned	2019-02-25T09:01:36Z
dc.date.available	2019-02-25T09:01:36Z
dc.date.issued	2014-12	en_US
dc.identifier.citation	Physical Review B, 90(22), 220404.	en_US
dc.identifier.issn	2469-9950	en_US
dc.identifier.issn	2469-9969	en_US
dc.identifier.uri	http://dr.iiserpune.ac.in:8080/xmlui/handle/123456789/1943
dc.identifier.uri	https://doi.org/10.1103/PhysRevB.90.220404	en_US
dc.description.abstract	We report the discovery of an antiferromagnetic coupling of the magnetic moment of chromium(II) tetraphenyl-porphyrin (CrTPP) molecules to the magnetization of the clean ferromagnetic Co(001) substrate. We assign this unusual molecule-substrate exchange coupling to the less than half-filled chromium 3dorbitals interacting with Co valence band electrons via porphyrin-ligand molecular orbitals. X-ray magnetic circular dichroism, x-ray photoelectron spectroscopy, and scanning tunneling microscopy are combined with DFT+Ucalculations and provide evidence for a surprising type of antiferromagnetic 90?indirect magnetic exchange coupling.	en_US
dc.language.iso	en	en_US
dc.publisher	American Physical Society	en_US
dc.subject	Antiferromagnetic coupling	en_US
dc.subject	Cr-porphyrin	en_US
dc.subject	Co substrate	en_US
dc.subject	x-ray photoelectron spectroscopy	en_US
dc.subject	Magnetic exchange coupling	en_US
dc.subject	2014	en_US
dc.title	Antiferromagnetic coupling of Cr-porphyrin to a bare Co substrate	en_US
dc.type	Article	en_US
dc.contributor.department	Dept. of Chemistry	en_US
dc.identifier.sourcetitle	Physical Review B	en_US
dc.publication.originofpublisher	Foreign	en_US