Fullerene-Encapsulated Atoms in the Light of Synchrotron Radiation
- Institut fuer Atom- und Molekuelphysik, Justus-Liebig-Universitaet, 35392 Giessen (Germany)
- Department of Physics, MS 220, University of Nevada, Reno, NV 89557-0058 (United States)
- Advanced Light Source, Lawrence Berkeley National Laboratory, MS 7-100, Berkeley, CA 94720 (United States)
- Leibniz-Institut fuer Festkoerper- und Werkstoffforschung Dresden, D-01171 Dresden (Germany)
Mass-selected beams of endohedral fullerene Ce-C{sub 82}{sup +} ions, of atomic Ce{sup q+} ions (q = 2, 3, 4), and of empty fullerene-cage C{sub 82}{sup +} ions were employed to study photoionization of fullerene-encapsulated and free cerium atoms. The Ce 4d inner-shell contributions to single and double ionization of the endohedral Ce-C{sub 82}{sup +} fullerene have been extracted from the data and compared with expectations based on theory and the experiments with atomic Ce ions. Dramatic reduction and redistribution of the ionization contributions to Ce 4d photoabsorption is observed. More than half of the Ce 4d oscillator strength is apparently diverted to additional decay channels of the Ce-C{sub 82}{sup +} complex.
- OSTI ID:
- 21371349
- Journal Information:
- AIP Conference Proceedings, Vol. 1197, Issue 1; Conference: ISACC 2009: 4. international symposium on atomic cluster collisions: Structure and dynamics from the nuclear to the biological scale, Ann Arbor, MI (United States), 14-18 Jul 2009; Other Information: DOI: 10.1063/1.3275674; (c) 2009 American Institute of Physics; ISSN 0094-243X
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
ATOMIC CLUSTERS
ATOMS
CERIUM
CERIUM IONS
D STATES
FULLERENES
MOLECULAR IONS
OSCILLATOR STRENGTHS
PHOTOIONIZATION
PHOTON-MOLECULE COLLISIONS
SYNCHROTRON RADIATION
BREMSSTRAHLUNG
CARBON
CHARGED PARTICLES
COLLISIONS
ELECTROMAGNETIC RADIATION
ELEMENTS
ENERGY LEVELS
IONIZATION
IONS
METALS
MOLECULE COLLISIONS
NONMETALS
PHOTON COLLISIONS
RADIATIONS
RARE EARTHS