Local density functional calculations and experimental magnetization studies on giant nickel carbonyl clusters are presented. The results show convincingly that the effect of the carbonyl ligation is to quench completely the magnetic moments of the nickel atoms at the surface of the clusters, leaving the inner-core metal atoms relatively unaffected. The relation with surface coating of magnetic particles for recording media is pointed out.

QUENCHING OF MAGNETIC-MOMENTS BY LIGAND-METAL INTERACTIONS IN NANOSIZED MAGNETIC METAL-CLUSTERS / D. VANLEEUWEN, J. VANRUITENBEEK, L. DEJONGH, A. CERIOTTI, G. PACCHIONI, O. HABERLEN, N. ROSCH. - In: PHYSICAL REVIEW LETTERS. - ISSN 0031-9007. - 73:10(1994), pp. 1432-1435.

QUENCHING OF MAGNETIC-MOMENTS BY LIGAND-METAL INTERACTIONS IN NANOSIZED MAGNETIC METAL-CLUSTERS

A. CERIOTTI;
1994

Abstract

Local density functional calculations and experimental magnetization studies on giant nickel carbonyl clusters are presented. The results show convincingly that the effect of the carbonyl ligation is to quench completely the magnetic moments of the nickel atoms at the surface of the clusters, leaving the inner-core metal atoms relatively unaffected. The relation with surface coating of magnetic particles for recording media is pointed out.
Settore CHIM/03 - Chimica Generale e Inorganica
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/2434/187655
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