The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 02, 2021
Filed:
Dec. 19, 2019
Imec Vzw, Leuven, BE;
Kevin Garello, Leuven, BE;
Gouri Sankar Kar, Leuven, BE;
IMEC vzw, Leuven, BE;
Abstract
The disclosed technology generally relates to magnetic devices and more particularly to magnetic tunnel junction (MTJ) devices in which switching can be mediated by spin-orbit torque, and further relates to a method of fabricating such devices. In an aspect, a magnetic tunnel junction (MTJ) device includes a spin-orbit torque (SOT) mediating layer, a hard-mask layer used to define a shape of the SOT layer, a magnetic tunnel junction arranged between the SOT layer and the hard-mask layer. The MTJ includes at least a free layer and a reference layer separated by a non-magnetic barrier layer. The device further includes at least two electrical accesses arranged to contact the SOT layer to pass a write current therethrough. To provide field-free switching of the free layer, the device further includes a ferromagnetic element as at least one of a ferromagnetic sublayer of the hard-mask and a material in the electrical accesses.