Magnetic memory
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United States of America Patent
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Mar 31, 2015
Grant Date -
Sep 19, 2013
app pub date -
Feb 7, 2013
filing date -
Mar 16, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
A magnetic memory according to an embodiment includes: a magnetic layer including a plurality of magnetic domains and a plurality of domain walls, and extending in a direction; a pinning layer formed with nonmagnetic phases and magnetic phases, extending in an extending direction of the magnetic layer and being located adjacent to the magnetic layer; an electrode layer located on the opposite side of the pinning layer from the magnetic layer; an insulating layer located between the pinning layer and the electrode layer; a current introducing unit flowing a shift current to the magnetic layer, the shift current causing the domain walls to shift; a write unit writing information into the magnetic layer; a read unit reading information from the magnetic layer; and a voltage generating unit generating a voltage to be applied between the pinning layer and the electrode layer.
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