Fig. 2: Polarizing microscope images of CeSb.
From: Devil's staircase transition of the electronic structures in CeSb
The uniaxial magnetostructures with different orientation of the 4f moment along [100] or [010] (a ab-domain) and along [001] (b c-domain). The double arrows indicate the optical principal axis of the incident light (purple arrow) and reflected light (blue, red and green arrows). Polarizing microscope images of the cleaved (001) surface at c P phase at 20 K and d the ordered phase at 8 K. These images were taken under crossed Nicols configuration that is sensitive to ab-domain but insensitive to c-domain. The differential image presented in e to display the domain distributions. The size of the domain is sufficiently large for the spot size of the laser light in our laser-ARPES experiments (circle).
