Figure 5
From: Resolving the spin reorientation and crystal-field transitions in TmFeO3 with terahertz transient
(a) Absorption coefficient and (b) refractive index of a-cut TmFeO3 single crystal under various temperatures. Solid lines in (a): Bi-Lorentz spectra line fits, see text for details. Temperature dependence of (c) amplitude and (d) bandwidth Δν of R1 mode.
