By the same authors

Method of pinning domain walls in a nanowire magnetic memory device

Research output: Patent

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DatePublished - 18 Apr 2013
Original languageEnglish
IPCG11C 19/08 (2006.01), G11C 11/14 (2006.01)
Patent numberWO/2013/054098

Abstract

There is provided a method of pinning domain walls in a magnetic memory device (10) comprising using an antiferromagnetic material to create domain wall pinning sites. Junctions (22) where arrays of ferromagnetic nanowires (16) and antiferromagnetic nanowires (20) cross exhibit a permanent exchange bias interaction between the ferromagnetic material and the antiferromagnetic material which creates domain wall pinning sites. The exchange bias field is between 30 to 3600Oe and the anisotropy direction of the ferromagnetic elements is between 15 to 75° to an anisotropy direction of the antiferromagnetic elements.

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