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. 2017 Mar 9;7:121. doi: 10.1038/s41598-017-00124-9

Table 2.

Computed binding energies, photoionization lifetimes (in fs) for a field intensity of 1013 and 1014 W/cm2 and transition dipole moments (μtrans) between the ground and excited states shown in Fig. 3.

Excitation energy(eV) Photoionization lifetime (fs) μtrans (au)
1013 W/cm2 1014 W/cm2 Ho3N@C80 C60 C80
Valence (ES 67) 4.25 351.03 39.00 1.19 1.55 1.47
s SAMO (ES 100) 4.98 2.00 0.22 0.66 0.00 0.02
p SAMO (ES 116) 5.23 1.49 0.13 0.69 0.00 0.30
d SAMO (ES 145) 5.60 1.56 0.17 0.49 0.00 0.29

The photoionization lifetimes are computed for the ionization of an electron with a kinetic energy of 0.2 eV. For comparison, the computed transition dipole moments of the valence (with an excitation energy around 4.25 eV), s, p and d SAMO states are also given for C60 and C80.