Memory device
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United States of America Patent
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Jan 30, 2018
Grant Date -
Dec 15, 2016
app pub date -
Aug 29, 2016
filing date -
Mar 20, 2014
priority date (Note) -
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Abstract
According to one embodiment, a memory device includes a stacked structure and a controller. The stacked structure includes a first magnetic layer, a second magnetic layer stacked with the first magnetic layer, and a first nonmagnetic layer provided between the first magnetic layer and the second magnetic layer. The second magnetic layer includes a first portion and a second portion stacked with the first portion. A magnetic resonance frequency of the first portion is different from a magnetic resonance frequency of the second portion. The controller is electrically connected to the stacked structure and causes a pulse current to flow in the stacked body in a first period. A length of the first period is not less than 0.9 times and not more than 1.1 times the absolute value of an odd number times of the reciprocal of a magnetic resonance frequency of the second magnetic layer.
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