32191 20211117102002.0 doi 10.1038/srep13709 sideral 92212 ART-2015-92212 eng Coffey, David Antiferromagnetic Spin Coupling between Rare Earth Adatoms and Iron Islands Probed by Spin-Polarized Tunneling 2015 Access copy available to the general public Unrestricted High-density magnetic storage or quantum computing could be achieved using small magnets with large magnetic anisotropy, a requirement that rare-earth iron alloys fulfill in bulk. This compelling property demands a thorough investigation of the magnetism in low dimensional rare-earth iron structures. Here, we report on the magnetic coupling between 4f single atoms and a 3d magnetic nanoisland. Thulium and lutetium adatoms deposited on iron monolayer islands pseudomorphically grown on W(110) have been investigated at low temperature with scanning tunneling microscopy and spectroscopy. The spin-polarized current indicates that both kind of adatoms have in-plane magnetic moments, which couple antiferromagnetically with their underlying iron islands. Our first-principles calculations explain the observed behavior, predicting an antiparallel coupling of the induced 5d electrons magnetic moment of the lanthanides with the 3d magnetic moment of iron, as well as their in-plane orientation, and pointing to a non-contribution of 4f electrons to the spin-polarized tunneling processes in rare earths. info:eu-repo/grantAgreement/ES/DGA/E81 info:eu-repo/grantAgreement/ES/MINECO/MAT2010-15659 info:eu-repo/grantAgreement/ES/MINECO/MAT2012-31309 info:eu-repo/grantAgreement/ES/UZ/JIUZ-2013-CIE-12 info:eu-repo/semantics/openAccess by http://creativecommons.org/licenses/by/3.0/es/ 5.228 2015 MULTIDISCIPLINARY SCIENCES 7 / 62 = 0.113 2015 Q1 T1 2.034 2015 Multidisciplinary 2015 Q1 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Díez-Ferrer, José Luis Serrate, David Universidad de Zaragoza (orcid)0000-0002-3260-9641 Ciria, Miguel de la Fuente, César Arnaudas, José Ignacio 2003 395 Universidad de Zaragoza Dpto. Física Materia Condensa. Área Física Materia Condensada 5 (2015), 13709 [7 pp.] Sci. rep. Scientific Reports 2045-2322 939883 http://zaguan.unizar.es/record/32191/files/texto_completo.pdf Versión publicada 105921 http://zaguan.unizar.es/record/32191/files/texto_completo.jpg?subformat=icon icon Versión publicada oai:zaguan.unizar.es:32191 articulos driver 2021-11-15-14:33:41 ARTICLE