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Fission of highly charged sodium clusters

✍ Scribed by T.P. Martin; U. Näher; H. Göhlich; T. Lange

Publisher
Elsevier Science
Year
1992
Tongue
English
Weight
361 KB
Volume
196
Category
Article
ISSN
0009-2614

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✦ Synopsis

Small, highly charged sodium clusters have been produced by multi-step ionization of large clusters followed by evaporative shrinking. The critical size, nc, beyond which Na~ + are stable obeys the approximate relation he= 8z 2. However, significant deviations from constant z2/n¢ are dearly evident. The critical sizes for z= 2, 3, 4, 5, 6 and 7 are 27 _+ 1, 64 _+ l, 123 _+ 2, 208 +_ 5, 321 _ 5, and 448 _+ l0 atoms, respectively.

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✍ W.A. Saunders; S. Fedrigo 📂 Article 📅 1989 🏛 Elsevier Science 🌐 English ⚖ 426 KB

The results of collision-induced fragmentation measurements on Au:+, Au:\*, Au:+, and Au:+ are presented. In all cases, channels involving fission (separation of charged fragments) are observed. Neutral loss channels are not observed. Fission crosssections (of the order of 50-100 A' with Xe) are muc