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Ionization potentials of gold—sodium (AunNam) bimetallic clusters

✍ Scribed by Kuniyoshi Hoshino; Takashi Naganuma; Katsura Watanabe; Atsushi Nakajima; Koji Kaya

Publisher
Elsevier Science
Year
1993
Tongue
English
Weight
393 KB
Volume
211
Category
Article
ISSN
0009-2614

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✦ Synopsis

Ionization potentials of gold-sodium (Au,Na,) bimetallic clusters were measured by a tunable ultraviolet laser combined with a time-of-flight mass spectrometer. The ionization potentials of Au,Na,,, clusters generally decrease with the number of Na atoms, but discontinuities in the ionization potentials of Au,Na, clusters were observed when the total number of valence electrons in the clusters tills an electronic shell. This result indicates that valence electrons of both Au atoms and Na atoms are delocalized in the clusters, forming the electronic shell.

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