Datum
1993Metadata
Zur Langanzeige
Aufsatz
Time-resolved studies of neutral and ionized Na_n clusters with femtosecond light pulses
Zusammenfassung
The real-time dynamics of Na_n (n=3-21) cluster multiphoton ionization and fragmentation has been studied in beam experiments applying femtosecond pump-probe techniques in combination with ion and electron spectroscopy. Three dimensional wave packet motions in the trimer Na_3 ground state X and excited state B have been observed. We report the first study of cluster properties (energy, bandwidth and lifetime of intermediate resonances Na_n^*) with femtosecond laser pulses. The observation of four absorption resonances for the cluster Na_8 with different energy widths and different decay patterns is more difficult to interpret by surface plasmon like resonances than by molecular structure and dynamics. Timeresolved fragmentation of cluster ions Na_n^+ indicates that direct photo-induced fragmentation processes are more important at short times than the statistical unimolecular decay.
Zitierform
In: Zeitschrift für Physik / D, Atoms, molecules and clusters. Berlin u.a. : Springer. 26 (1993), S. 131-134Sammlung(en)
Publikationen (Experimentalphysik III - Femtosekundenspektroskopie und ultraschnelle Laserkontrolle)Zitieren
@article{urn:nbn:de:hebis:34-2008102724832,
author={Baumert, Thomas and Thalweiser, Rainer and Weiß, V. and Gerber, Gustav},
title={Time-resolved studies of neutral and ionized Na_n clusters with femtosecond light pulses},
year={1993}
}
0500 Oax 0501 Text $btxt$2rdacontent 0502 Computermedien $bc$2rdacarrier 1100 1993$n1993 1500 1/eng 2050 ##0##urn:nbn:de:hebis:34-2008102724832 3000 Baumert, Thomas 3010 Thalweiser, Rainer 3010 Weiß, V. 3010 Gerber, Gustav 4000 Time-resolved studies of neutral and ionized Na_n clusters with femtosecond light pulses / Baumert, Thomas 4030 4060 Online-Ressource 4085 ##0##=u http://nbn-resolving.de/urn:nbn:de:hebis:34-2008102724832=x R 4204 \$dAufsatz 4170 7136 ##0##urn:nbn:de:hebis:34-2008102724832
2008-10-27T10:12:23Z 2008-10-27T10:12:23Z 1993 0178-7683 0722-3277 urn:nbn:de:hebis:34-2008102724832 http://hdl.handle.net/123456789/2008102724832 307594 bytes application/pdf eng Urheberrechtlich geschützt https://rightsstatements.org/page/InC/1.0/ 530 Time-resolved studies of neutral and ionized Na_n clusters with femtosecond light pulses Aufsatz The real-time dynamics of Na_n (n=3-21) cluster multiphoton ionization and fragmentation has been studied in beam experiments applying femtosecond pump-probe techniques in combination with ion and electron spectroscopy. Three dimensional wave packet motions in the trimer Na_3 ground state X and excited state B have been observed. We report the first study of cluster properties (energy, bandwidth and lifetime of intermediate resonances Na_n^*) with femtosecond laser pulses. The observation of four absorption resonances for the cluster Na_8 with different energy widths and different decay patterns is more difficult to interpret by surface plasmon like resonances than by molecular structure and dynamics. Timeresolved fragmentation of cluster ions Na_n^+ indicates that direct photo-induced fragmentation processes are more important at short times than the statistical unimolecular decay. open access In: Zeitschrift für Physik / D, Atoms, molecules and clusters. Berlin u.a. : Springer. 26 (1993), S. 131-134 Baumert, Thomas Thalweiser, Rainer Weiß, V. Gerber, Gustav Extern 33.80.-b 36.40.+d
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