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  Absence of local magnetic moments in Ru and Rh impurities and clusters on Ag(100) and Pt(997)

Honolka, J., Kuhnke, K., Vitali, L., Enders, A., Kern, K., Gardonio, S., et al. (2007). Absence of local magnetic moments in Ru and Rh impurities and clusters on Ag(100) and Pt(997). Physical Review B, 76(14): 144412.

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Item Permalink: https://hdl.handle.net/21.11116/0000-000F-017B-6 Version Permalink: https://hdl.handle.net/21.11116/0000-000F-017C-5
Genre: Journal Article

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 Creators:
Honolka, J.1, Author           
Kuhnke, K.1, Author           
Vitali, L.1, Author           
Enders, A.1, Author           
Kern, K.1, Author           
Gardonio, S., Author
Carbone, C., Author
Krishnakumar, S. R., Author
Bencok, P., Author
Stepanow, S.1, Author           
Gambardella, P.1, Author           
Affiliations:
1Department Nanoscale Science (Klaus Kern), Max Planck Institute for Solid State Research, Max Planck Society, ou_3370481              

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 Abstract: 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.

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Language(s): eng - English
 Dates: 2007
 Publication Status: Issued
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: eDoc: 338885
ISI: 000250620300062
 Degree: -

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Title: Physical Review B
Source Genre: Journal
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Pages: - Volume / Issue: 76 (14) Sequence Number: 144412 Start / End Page: - Identifier: ISSN: 1098-0121