摘要:
Provided are an information storage device and a method of operating the same. The information storage device includes: a magnetic layer having a plurality of magnetic domain regions and a magnetic domain wall interposed between the magnetic domain regions; a first unit disposed on a first region which is one of the plurality of magnetic domain regions for recording information to the first region; a second unit connected to the first unit for inducing a magnetic field so as to record information to the first region.
摘要:
A magnetic track includes first and second magnetic domain regions having different lengths and different magnetic domain wall movement speeds. A longer of the first and second magnetic domain regions serves as an information read/write region. An information storage device includes a magnetic track. The magnetic track includes a plurality of magnetic domain regions and a magnetic domain wall region formed between neighboring magnetic domain regions. The plurality of magnetic domain regions includes a first magnetic domain region and at least one second magnetic domain region having a smaller length than the first magnetic domain region. The information storage device further includes a first unit configured to perform at least one of an information recording operation and an information reproducing operation on the first magnetic domain region, and a magnetic domain wall movement unit configured to move a magnetic domain wall of the magnetic domain wall region.
摘要:
Provided are information storage devices using movement of magnetic domain walls and methods of operating information storage devices. An information storage device includes a magnetic track and an operating unit. The magnetic track includes a plurality of magnetic domains separated by magnetic domain walls. The size of the operating unit is sufficient to cover at least two adjacent magnetic domains. And, the operating unit may be configured to write/read information to/from a single magnetic domain as well as a plurality of magnetic domains of the magnetic track.
摘要:
Provided are an information storage device and a method of operating the same. The information storage device includes: a magnetic layer having a plurality of magnetic domain regions and a magnetic domain wall interposed between the magnetic domain regions; a first unit disposed on a first region which is one of the plurality of magnetic domain regions for recording information to the first region; a second unit connected to the first unit for inducing a magnetic field so as to record information to the first region.
摘要:
Provided may be a semiconductor device using magnetic domain wall movement. The semiconductor device may include a magnetic track having a plurality of magnetic domains and a thermal conductive insulating layer configured to contact the magnetic track. The thermal conductive insulating layer may prevent or reduce the magnetic track from being heated due to a current supplied to the magnetic track.
摘要:
Provided may be a semiconductor device using magnetic domain wall movement. The semiconductor device may include a magnetic track having a plurality of magnetic domains and a thermal conductive insulating layer configured to contact the magnetic track. The thermal conductive insulating layer may prevent or reduce the magnetic track from being heated due to a current supplied to the magnetic track.
摘要:
Provided are a magnetic layer, a method of forming the magnetic layer, an information storage device, and a method of manufacturing the information storage device. The information storage device may include a magnetic track having a plurality of magnetic domains, a current supply element connected to the magnetic layer and a reading/writing element. The magnetic track includes a hard magnetic track, and the hard magnetic track has a magnetization easy-axis extending in a direction parallel to a width of the hard magnetic track.
摘要:
Provided are a magnetic layer, a method of forming the magnetic layer, an information storage device, and a method of manufacturing the information storage device. The information storage device may include a magnetic track having a plurality of magnetic domains, a current supply element connected to the magnetic layer and a reading/writing element. The magnetic track includes a hard magnetic track, and the hard magnetic track has a magnetization easy-axis extending in a direction parallel to a width of the hard magnetic track.
摘要:
Information storage devices using magnetic domain wall movement, methods of operating the same, and methods of manufacturing the same are provided. An information storage device includes a first magnetic layer, a heating unit and a magnetic field applying unit. The heating unit heats a first region of the first magnetic layer. The magnetic field applying unit applies a magnetic field to the first region to form a magnetic domain. A wall of the magnetic domain is moved by a current applied to the first magnetic layer.
摘要:
Information storage devices and methods of manufacturing the same are provided. An information storage device includes a magnetic layer formed on an underlayer. The underlayer has at least one first region and at least one second region. The first and second regions have different crystallinity characteristics. The magnetic layer has at least one third region formed on the at least one first region and at least one fourth region formed on the at least one second region. The third and fourth regions have different magnetic anisotropic energy constants.