Figure 4
From: Resolving the spin reorientation and crystal-field transitions in TmFeO3 with terahertz transient
Absorption coefficient of TmFeO3 at 60 K with different excitation geometries (a) HTHz||c, ETHz||b in a-cut crystal, (b) HTHz||b, ETHz||c in a-cut crystal and (c) HTHz||b, ETHz||a in c-cut crystal. (d) Energy diagram of ground multiplets of Tm ions.
