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Phosphorus cluster production by laser ablation

Journal article
Authors Alexander Bulgakov
O.F. Bobrenok
I Ozerov
Wladimir Marine
S Giorgio
Andreas Lassesson
Eleanor E B Campbell
Published in Applied Physics A
Volume 79
Pages 1369-1372
ISSN 0947-8396
Publication year 2004
Published at Department of Physics (GU)
Pages 1369-1372
Language en
Links dx.doi.org/10.1007/s00339-004-2782-...
Keywords phosphorus clusters
Subject categories Atom and Molecular Physics and Optics

Abstract

Neutral and charged phosphorus clusters of a wide size range have been produced by pulsed laser ablation (PLA) in vacuum at 532, 337, and 193 nm ablating wavelengths and investigated by time-of-flight mass spectrometry. The neutral Pn clusters are even-numbered with local abundance maxima at n=10 and 14, while the cationic and anionic clusters are preferentially odd-numbered with P7+, P21+, and P17- being the most abundant ions. The dominance of the magic clusters is more pronounced at 337-nm ablation that is explained by efficient direct ejection of their building blocks under these conditions. Nanocrystalline phosphorus films have been produced by PLA in ambient helium gas.

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