Method for controlling magnetic domain wall of magnetic structure and magnetic memory device using same
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United States of America Patent
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Feb 27, 2018
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Jan 16, 2015
filing date -
Jul 15, 2014
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Abstract
The present invention provides a method for controlling a magnetic domain wall of a magnetic structure and a magnetic memory device using same. The method includes: a first step of applying a first magnetic field in a first direction to a magnetic structure having a plurality of magnetic domains and a magnetic domain wall between the magnetic domains, and applying a second magnetic field in a second direction to the magnetic structure, the first direction being parallel to the magnetization direction of the magnetic domain wall and the second direction being parallel to the magnetization direction of the magnetic domain wall; and a second step of applying a third magnetic field in a direction opposite to the first direction to the magnetic structure and applying a fourth magnetic field in a direction opposite to the second direction to the magnetic structure, wherein the magnetic domain wall can be moved uniformly in a direction parallel to the magnetization direction of the magnetic domain wall or the magnetization direction of the magnetic domains.
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