Structure and Magnetization of Small Monodisperse Platinum Clusters

Magnetization measurements of well-characterized monodisperse Pt clusters consisting of 13+/-2 atoms in a zeolite confirm the predicted extraordinary magnetic polarization with up to 8 unpaired electrons on a cluster, corresponding to a magnetic moment of 0.65(5) microB per atom. The effect is partl...

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Bibliographic Details
Published in:Physical review letters Vol. 97; no. 25; p. 253401
Main Authors: Liu, Xiong, Bauer, Matthias, Bertagnolli, Helmut, Roduner, Emil, van Slageren, Joris, Phillipp, Fritz
Format: Journal Article
Language:English
Published: United States 22.12.2006
Subjects:
ATOMIC AND MOLECULAR PHYSICS
ATOMIC CLUSTERS
ATOMS
CHEMISORPTION
ELECTRONIC STRUCTURE
ELECTRONS
HYDROGEN
MAGNETIC MOMENTS
MAGNETISM
MAGNETIZATION
PLATINUM
POLARIZATION
ZEOLITES
ISSN:0031-9007, 1079-7114
Online Access:Get full text
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Summary:Magnetization measurements of well-characterized monodisperse Pt clusters consisting of 13+/-2 atoms in a zeolite confirm the predicted extraordinary magnetic polarization with up to 8 unpaired electrons on a cluster, corresponding to a magnetic moment of 0.65(5) microB per atom. The effect is partly quenched by hydrogen chemisorption. The study provides insight into the electronic structure of the cluster and is fundamental for an understanding of how magnetism develops in small clusters.
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ISSN:0031-9007
1079-7114
DOI:10.1103/PhysRevLett.97.253401