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Core Level Excitation of Atomic and Molecular Clusters.
Rühl, E.; Schmale, C.; Jochims, H. W. et al.
1992 • In Beswick, A. (Ed.) Synchrotron Radiation and Dynamic Phenomena.
Peer reviewed
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Keywords :
Synchrotron radiation; Photoionisation; Core level excitation; PEPICO; PIPICO; NEXAFS; (Ar)n clusters; (CO)n clusters
Abstract :
[en] Core level excitation of weakly bonded atomic and molecular species is reported. Excitations into unoccupied orbitals with valence and Rydberg character as well as into the corresponding K- and L-continua are compared with the isolated and condensed species. Core level excitation of clusters is also accompagned with extensive fragmentation of singly and doubly charged clusters. Coincidence techniques such as photoelectron-photoion-coincidences (PEPICO) and photoion-photoion-coincidence (PIPICO) are used to study the photochemical fragmentation pathways of core excited clusters. Kinetic energy releases related to charge separation of cluster dications (Coulomb explosion) are derived from PIPICO spectra. The fragmentation energetics is discussed in relation to cluster dication threshold energies.
Research Center/Unit :
Laboratoire de Dynamique Moléculaire, BESSY, Institut für Physikalische Chemie
Disciplines :
Chemistry
Author, co-author :
Rühl, E.;  Freie Universität Berlin > Institut für Physikalische Chemie
Schmale, C.
Jochims, H. W.;  Freie Universität Berlin > Institut für Physikalische Chemie
Biller, E.;  Freie Universität Berlin > Institut für Physikalische Chemie
Locht, Robert  ;  Université de Liège - ULiège > Département de Chimie (Faculté des sciences) > Laboratoire de Dynamique Moléculaire (Sciences)
Hitchcock, A. P.;  McMaster University, Hamilton, Ontario, Canada > Department of Chemistry
Baumgärtel, H.;  Freie Universität Berlin > Institut für Physikalische Chemie
Language :
English
Title :
Core Level Excitation of Atomic and Molecular Clusters.
Alternative titles :
[fr] L'excitation en couches internes des agrégats atomiques et moléculaires.
Publication date :
1992
Event name :
48th International Meeting of Physical Chemistry
Event organizer :
LURE & Université de Paris-Sud,
Event place :
Grenoble, France
Event date :
1991
By request :
Yes
Audience :
International
Main work title :
Synchrotron Radiation and Dynamic Phenomena.
Main work alternative title :
[fr] Le rayonnement synchrotron et les phénomènes dynamiques.
Author, co-author :
Beswick, A.
Publisher :
American Institut of Physics (AIP), New York, United States
ISBN/EAN :
1-56396-008-7
Collection name :
Conference Proceedings 258: Particules and Fields Series 49
Pages :
230-240
Peer reviewed :
Peer reviewed
Funders :
Bundes Ministerium für Forschung und Technologie, EU-Contract in LSI Program n° GE1-0018-D
Commentary :
- Printed version of reprint available on request - Version imprimée du tiré-à-part disponible sur demande
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since 09 December 2008

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