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Article Dans Une Revue Applied physics. A, Materials science & processing Année : 2004

Phosphorus cluster production by laser ablation

Résumé

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 P_n clusters are even-numbered with local abundance maxima at n = 10 and 14, while the cationic and anionic clusters are preferentially odd-numbered with (P_7)+, (P_21)+, and (P_17)- 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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Dates et versions

hal-00001415 , version 1 (05-04-2004)

Identifiants

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A.V. Bulgakov, O.F. Bobrenok, Igor Ozerov, W. Marine, S. Giorgio, et al.. Phosphorus cluster production by laser ablation. Applied physics. A, Materials science & processing, 2004, 79, pp.1369-1372. ⟨10.1007/s00339-004-2782-z⟩. ⟨hal-00001415⟩
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