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Spin-polarised edge states in atomic Mn chains supported on Cu2N/Cu (100)
Choi, Deung-Jang (CIC Nano GUNE (Sant Sebastià, País Basc))
Robles, Roberto (Institut Català de Nanociència i Nanotecnologia)
Gauyacq, Jean-Pierre (Université Paris-Saclay. Institut des Sciences Moléculaires d'Orsay)
Rubio-Verdú, Carmen (CIC Nano GUNE (Sant Sebastià, País Basc))
Lorente Palacios, Nicolás (Centro de Física de Materiales (Sant Sebastià, País Basc))
Pascual, José Ignacio (Ikerbasque. Basque Foundation for Science (Bilbao, País Basc))

Date: 2016
Abstract: Scanning tunnelling microscopy and density functional theory studies of manganese chains adsorbed on CuN/Cu (100) reveal an unsuspected electronic edge state at ∼ 1 eV above the Fermi energy. This Tamm-like state is strongly localised to the terminal Mn atoms of the chain and fully spin polarised. However, no equivalence is found for occupied states, and the electronic structure at ∼ -1 eV is mainly spin unpolarised due to the extended p-states of the N atoms that mediate the coupling between the Mn atoms in the chain. The spin polarisation of the edge state is affected by the antiferromagnetic ordering of the chains leading to non-trivial consequences.
Note: Número d'acord de subvenció EC/H2020/654469
Note: Número d'acord de subvenció MINECO/SEV-2013-0295
Rights: Tots els drets reservats.
Language: Anglès
Document: article ; recerca ; acceptedVersion
Published in: Journal of Physics Condensed Matter, Vol. 28, Núm. 23 (June 2016) , p. 23LT01, ISSN 1361-648X

DOI: 10.1088/0953-8984/28/23/23LT01


Post-print
12 p, 1.6 MB

The record appears in these collections:
Research literature > UAB research groups literature > Research Centres and Groups (scientific output) > Experimental sciences > Catalan Institute of Nanoscience and Nanotechnology (ICN2)
Articles > Research articles
Articles > Published articles

 Record created 2018-09-18, last modified 2020-08-08



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