Magnetic domains in a single grain (outlined with a black line) of non-oriented electrical steel. The photo shows an area 0.1 mm wide, and the arrows show orientation of the domains. The domains are separated by domain walls.

Magnetic domain structure (lancet combs switching during magnetisation) in high-permeability grain-oriented electrical steel. Bar domains are visible in the upper part. ^{Copyright © Oles Hostanar}