Visible transitions in Ag-like and Cd-like lanthanide ions

Shunichi Murata, Takayuki Nakajima, Marianna S. Safronova +2

We present visible spectra of Ag-like ($4d^{10}4f$) and Cd-like ($4d^{10}4f^2$) ions of Ho (atomic number $Z=67$), Er (68), and Tm (69) observed with a compact electron beam ion tr…