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Phys Rev Lett
; 85(9): 1978-81, 2000 Aug 28.
Article
in English
| MEDLINE
| ID: mdl-10970662
ABSTRACT
We have observed large 4d moments on isolated Mo atoms at substitutional and octahedral interstitial lattice sites in Yb metal, showing Curie-Weiss local susceptibility and a Korringa-like spin relaxation rate. The interstitial Mo atoms, despite strong hybridization with the Yb neighbors, show rather small Kondo temperature ( T(K)=60 K), implying high moment stability. While magnetism of Mo at the substitutional site is consistent with Kondo-type d-sp interaction, we suggest that moment stability at the interstitial site is strongly influenced by ferromagnetic polarization of Yb-4f5d band electrons.
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Phys Rev B Condens Matter
; 37(10): 5289-5298, 1988 Apr 01.
Article
in English
| MEDLINE
| ID: mdl-9943710