Abstract
Ultraviolet photoemission spectra have been measured for Ce 2 Sb, CeBi 0.9 Te 0.1 and CeSe by use of synchrotron radiation to study their electronic structures especially to study the origin of the double peak structures. We have observed the same double peak structure in CeBi 0.9 Te 0.1 as in CeBi. A remarkable triple peak structure is observed in CeSe attributed to the p , f and d bands respectively. Ce 2 Sb is more complicated but it was shown that the band structure is rather similar to CeSb except for a pseudo-gap between the p and d bands and that the f level is at the pseudo-gap causing no double peak structure.
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