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          Institute: MPI für Festkörperforschung     Collection: FKF Publikationen 2007     Display Documents



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ID: 338885.0, MPI für Festkörperforschung / FKF Publikationen 2007
Absence of local magnetic moments in Ru and Rh impurities and clusters on Ag(100) and Pt(997)
Authors:Honolka, J.; Kuhnke, K.; Vitali, L.; Enders, A.; Kern, K.; Gardonio, S.; Carbone, C.; Krishnakumar, S. R.; Bencok, P.; Stepanow, S.; Gambardella, P.
Language:English
Date of Publication (YYYY-MM-DD):2007
Title of Journal:Physical Review B
Volume:76
Issue / Number:14
Sequence Number of Article:144412
Review Status:Peer-review
Audience:Not Specified
Abstract / Description:The magnetism of quench-condensed Ru and Rh impurities and metal films on Ag(100) and Pt(997) has been studied using x-ray magnetic circular dichroism. In the coverage range between 0.22 and 2.0 ML, no dichroic signal was detected at the M-3,M-2 absorption edges of Ru on Ag(100) at a temperature of 5 K in the presence of an applied magnetic field. The same was found for coverages between 0.12 and 0.5 ML of Rh on Ag(100) and Pt(997). It is concluded that the magnetic moments of single impurities, small clusters of various shape, and monolayers of the 4d metals are below the detection limit of 0.04 mu(B) per atom. These results provide an unambiguous determination of the local magnetic moment of Ru and Rh deposited on nonmagnetic transition-metal surfaces, which are in contrast with theoretical predictions.
External Publication Status:published
Document Type:Article
Communicated by:Michaela Asen-Palmer
Affiliations:MPI für Festkörperforschung
External Affiliations:Max Planck Inst Festkorperforsch, D-70569 Stuttgart, Germany.; CNR, Ist Struttura Mat, I-34012 Trieste, Italy.; Int Ctr Theoret Phys, I-34100 Trieste, Italy.; European Synchrotron Radiat Facil, F-38043 Grenoble, France.; Ctr Invest Nanociencia & Nanotecnol, CSIC ICN, E-08193 Bellaterra, Spain.; Ctr Invest Nanociencia & Nanotecnol, CSIC ICN, Inst Catalana Recerca & Estud Avancats, E-08193 Bellaterra, Spain.
Identifiers:ISI:000250620300062 [ID No:1]
ISSN:1098-0121 [ID No:2]
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