Extended Data Fig. 1: Magnetization states in YIG.

Magnetic domains pattern with four magnetization states in relation to the crystal symmetry in YIG/GGG(001). The large stripe-like domains are formed that have magnetizations along the [1–11] and the [11–1] axes. Within them, small domains are found that possess magnetization along the [111] and the [1-1-1] axes. Magnetization orientations in the domains and type of the domain structure have been identified following the procedure explained in refs. ^18,36.