MAGNETIC ELEMENT UTILIZING SPIN TRANSFER AND AN MRAM DEVICE USING THE MAGNETIC ELEMENT
Patent №
US 6,920,063
Granted
2005-07-19
Filed 2003
Owner
—
Lab
—
AI components
1
hardware
Assignment
None on record
Dataset
AIPD
2023_r1 edition
Application
10741188
A method and system for providing a magnetic element capable of being written using spin-transfer effect while generating a high output signal and a magnetic memory using the magnetic element are disclosed. The magnetic element includes a first ferromagnetic pinned layer, a nonmagnetic spacer layer, a ferromagnetic free layer, an insulating barrier layer and a second ferromagnetic pinned layer. The pinned layer has a magnetization pinned in a first direction. The nonmagnetic spacer layer is conductive and is between the first pinned layer and the free layer. The barrier layer resides between the free layer and the second pinned layer and is an insulator having a thickness allowing electron tunneling through the barrier layer. The second pinned layer has a magnetization pinned in a second direction. The magnetic element is configured to allow the magnetization of the free layer to change direction due to spin transfer when a write current is passed through the magnetic element.