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Lanthanide
Actinide
Superactinide
Ion of Erbium, Z=68, I.P.=183400 cm-1
References:
Biemont E. et al. // Mon. Not. R. Astron. Soc. - 2001 - Vol. 321 - P. 481-486.
Wyart J.-F. et al. // Phys. Scr. - 1997 - Vol. 56 - P. 446-458.
Spector N. // JOSA - 1973 - Vol. 63 - .P 358-361.
Electronic structure
Found 104 levels. [view]Found 200 transitions. [view]