Gw. Zhang et al., PHOTOEMISSION-STUDY OF ICOSAHEDRAL AL70PD20MN10, Science Reports of the Research Institutes, Tohoku University, Series A: Physics, Chemistry, and Metallurgy, 39(2), 1994, pp. 169-173
Measurements with photoemission spectroscopy in the photonenergy range
35-150 eV have been used to measure the valence band of the stable ic
osahedral Al70Pd20Mn10. The maxima of the Pd 4d- and Mn 3d derived sta
tes are respectively at 3.6 and 0.7 eV below the Fermi level. The stro
ng decrease of intensity towards the Fermi level is interpreted as evi
dence for the presence of a pseudogap at the Fermi level. No unusual f
eatures in the valence band of icosahedral Al70Pd20Mn10, which could b
e ascribed to its quasiperiodic nature, are observed within the resolu
tion of the experiment.