Understanding Multiferroic Hexagonal Manganites by Static and Ultrafast Optical Spectroscopy

Figure 6

SHG spectra of YMnO₃ due to (a) the ferroelectric ordering and (b) antiferromagnetic ordering; inset: temperature dependence of the SHG intensity of 2.46 eV [34]. Reprinted figure with permission from Fröhlich et al. [34]. Copyright (1998) by the American Physical Society.

(a)

(b)