Photoionization spectra and electronic structure of small iron clusters
摘要：
Laser photoionization spectra over the range 4.5–6.5 eV have been taken for iron clusters of from 2 to 25 atoms. From the observed ionization thresholds, the cluster ionization potentials are determined and trends in I.P. vs cluster size are examined. In the case of the iron dimer, a sharp, vertical threshold is seen which places the I.P. of Fe2at 6.30±0.01 eV. Finally, SCFXα scattered wave molecular orbital calculations have been carried out on the iron dimer and iron trimer. These results show the importance of ferromagnetic spin polarization in the electronic structure of Fe2and Fe3.
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DOI：
10.1063/1.448168
被引量：
年份：
1984
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