These schematics of magnetic domain walls in perpendicularly magnetized thin films show (a) left-handed and (b) right-handed Neel-type walls; and (c) left-handed and (d) right-handed Bloch-type walls. The directions of the arrows correspond to the magnetization direction.
Andreas Schmid and Gong Chen at the SPLEEM instrument in the Molecular Foundry’s electron microscopy center where they are conducting research on magnetic domain walls.