Photoelectron spectroscopy study of MCn- (M=Sc, Y, and La, 5<=n<=20)

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JouElecSpec1122000.pdf
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2000
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Kohno, Masamichi
Suzuki, Shinzo
Shiromaru, Haruo
Kobayashi, Kaoru
Nagase, Shigeru
Achiba, Yohji
Kietzmann, Hardy
Kessler, Barbara
Eberhardt, Wolfgang
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Journal of Electron Spectroscopy and Related Phenomena. 2000, 112(1-3), pp. 163-173. Available under: doi: 10.1016/S0368-2048(00)00210-3
Zusammenfassung

Photoelectron spectra of metal-attached carbon cluster anions MCn− (M=Sc, Y, and La, 5≤n≤20) generated in a laser-vaporization ion source were measured using a magnetic bottle time-of-flight photoelectron spectrometer with 6.4 eV photon energy. The vertical detachment energy (vDE) of each species was estimated from the spectra and compared with the vDE of the linear and monocyclic ring forms of Cn. It was found that PES features of MCn− (5≤n≤20, n=odd) could be understood under the assumption that the π electronic structure of MCn− is similar to those of the linear carbon chains. However, the PES features of MCn− (12≤n≤20, n=even) indicate the presence of a π electronic structure similar to the isomers having ring form. Further possible electronic and molecular structures are presented and discussed for MCn− of odd n and even n, respectively.

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530 Physik
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Photoelectron spectroscopy, Metal-attached carbon clusters, Vertical electron affinity, pi electronic structure
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ISO 690KOHNO, Masamichi, Shinzo SUZUKI, Haruo SHIROMARU, Kaoru KOBAYASHI, Shigeru NAGASE, Yohji ACHIBA, Hardy KIETZMANN, Barbara KESSLER, Gerd GANTEFÖR, Wolfgang EBERHARDT, 2000. Photoelectron spectroscopy study of MCn- (M=Sc, Y, and La, 5<=n<=20). In: Journal of Electron Spectroscopy and Related Phenomena. 2000, 112(1-3), pp. 163-173. Available under: doi: 10.1016/S0368-2048(00)00210-3
BibTex
@article{Kohno2000Photo-9320,
  year={2000},
  doi={10.1016/S0368-2048(00)00210-3},
  title={Photoelectron spectroscopy study of MCn- (M=Sc, Y, and La, 5<=n<=20)},
  number={1-3},
  volume={112},
  journal={Journal of Electron Spectroscopy and Related Phenomena},
  pages={163--173},
  author={Kohno, Masamichi and Suzuki, Shinzo and Shiromaru, Haruo and Kobayashi, Kaoru and Nagase, Shigeru and Achiba, Yohji and Kietzmann, Hardy and Kessler, Barbara and Ganteför, Gerd and Eberhardt, Wolfgang}
}
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