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Heavy metal multilayers for switching of magnetic unit via electrical current without magnetic field, method and applications

United States Patent

February 20, 2018
View the Complete Patent at the US Patent & Trademark Office
Provided is an electric-current-controllable magnetic unit, including: a substrate, an electric-current channel disposed on the substrate, the electric-current channel including a composite heavy-metal multilayer comprising at least one heavy-metal; a capping layer disposed over the electric-current channel; and at least one ferromagnetic layer disposed between the electric-current channel and the capping layer.
Ma; Qinli (Baltimore, MD), Li; Yufan (Baltimore, MD), Chien; Chia-ling (Cockeysville, MD)
15/ 411,082
January 20, 2017
GOVERNMENT RIGHTS This invention was made with government funds under Agreement No. HR0011-13-3-0002 awarded by The Defense Advanced Research Projects Agency (DARPA), Award Grant No. DE-SC0009390 awarded by the U.S. Department of Energy, Office of Science, Basic Energy Science, and Award Number. SC 0012670 awarded by the U.S. Department of Energy, Basic Energy Science. The U.S. Government has certain rights in this invention.