NDLI: Unusual Kondo Physics in a Co Impurity Atom Embedded in Noble-Metal Chains

Content Provider	IEEE Xplore Digital Library
Author	Di Napoli, S. Barral, M.A. Roura-Bas, P. Aligia, A.A. Mokrousov, Y. Llois, A.M.
Copyright Year	1965
Abstract	We analyze the conduction bands of the one dimensional noble-metal chains that contain a Co magnetic impurity by means of ab initio calculations. We compare the results obtained for Cu and Ag pure chains, as well as O doped Cu, Ag and Au chains with those previously found for Au pure chains. We find similar results in the case of Cu and Au hosts, whereas for Ag chains a different behavior is obtained. Differences and similarities among the different systems are analyzed by comparing the electronic structure of the three noble-metal hosts. The d orbitals of Cu chains at the Fermi level have the same symmetry as in the case of Au chains. These orbitals hybridize with the corresponding ones of the Co impurity, giving rise to the possibility of exhibiting a two-channel Kondo physics.
Sponsorship	IEEE Magnetics Society
Starting Page	4683
Ending Page	4686
Page Count	4
File Size	613431
File Format	PDF
ISSN	00189464
Volume Number	49
Issue Number	8
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-08-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Gold Impurities Physics Atomic measurements Doping Correlation Color nanowires Magnetic properties nanostructures
Content Type	Text
Resource Type	Article
Subject	Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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