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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Vydané v:Physical review letters Ročník 97; číslo 25; s. 253401
Hlavní autori: Liu, Xiong, Bauer, Matthias, Bertagnolli, Helmut, Roduner, Emil, van Slageren, Joris, Phillipp, Fritz
Médium: Journal Article
Jazyk:English
Vydavateľské údaje: United States 22.12.2006
Predmet:
ATOMIC AND MOLECULAR PHYSICS
ATOMIC CLUSTERS
ATOMS
CHEMISORPTION
ELECTRONIC STRUCTURE
ELECTRONS
HYDROGEN
MAGNETIC MOMENTS
MAGNETISM
MAGNETIZATION
PLATINUM
POLARIZATION
ZEOLITES
ISSN:0031-9007, 1079-7114
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Shrnutí: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.
Bibliografia:ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
ISSN:0031-9007
1079-7114
DOI:10.1103/PhysRevLett.97.253401