Patent ID: 8456895
Filing Date: 2013-06-04
Classification: G11C

Abstract:
1. A magnetic random access memory device, comprising: a reference layer adjacent to a tunnel barrier, a free layer adjacent to the tunnel barrier, a metal spacer adjacent to the free layer, an insulating magnet adjacent to the metal spacer, and a metal heater adjacent to the insulating layer; wherein, responsive to a thermal gradient, the insulating magnet is configured to generate spin polarized electrons; wherein the spin polarized electrons generated from the insulating magnet destabilize a magnetization of the free layer; wherein an applied voltage to the MRAM device changes the magnetization of the free layer when the magnetization of the free layer is destabilized; and wherein a polarity of the applied voltage determines whether the magnetization of the free layer is parallel or antiparallel to a magnetization of the reference layer.