Photoemission from tin and lead cluster anions | Zendy

Gerd Ganteför | Zendy; M. Gausa | Zendy; K.H. MeiwesBroer | Zendy; H. O. Lutz | Zendy

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Photoemission from tin and lead cluster anions

Author(s) -

Gerd Ganteför,

M. Gausa,

K.H. MeiwesBroer,

H. O. Lutz

Publication year - 1989

Publication title -

zeitschrift für physik d atoms molecules and clusters

Language(s) - English

Resource type - Journals

eISSN - 1431-5866

pISSN - 0178-7683

DOI - 10.1007/bf01426983

Subject(s) - tin , cluster (spacecraft) , photoelectric effect , spectral line , atomic physics , chemistry , excitation , binding energy , ion , ground state , x ray photoelectron spectroscopy , materials science , physics , nuclear magnetic resonance , optoelectronics , organic chemistry , quantum mechanics , astronomy , computer science , programming language

Photoelectrons from mass-identified jet-cooled tin and lead cluster anions (Snn-, Pbn-) are detached by ultraviolet laser light (h?=3.68 eV). The photoelectron energy spectra give the detachment energies of ground state cluster anions (electron affinities) as well as excitation energies of neutral clusters in the geometry of the anions. The energy spectra for Snn- are dominated by flat thresholds with ann-dependence similar to that of other group IV clusters. In contrast, for Pbn- we find pronounced narrow lines close to threshold, generally followed by a 0.3–1.4 eV gap which indicates closed-shell behaviour of Pbn- for nearly alln.

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