https://phys.org/news/2018-06-scientists-magnetic-patterns-disordered-material.html

These properties, scientists hope, can enable faster, smaller, and more reliable data storage by facilitating spintronics—one facet of which is the use of spin current to manipulate domains and domain walls. Spintronics-driven devices could generate less heat and require less power than conventional devices.

In the latest study, detailed in the May 23 online edition of the journal Advanced Materials, scientists working at Berkeley Lab's Molecular Foundry and Advanced Light Source (ALS) confirmed a chirality, or handedness, in the transition regions—called domain walls—between neighboring magnetic domains that have opposite spins.