MAGNETIC THIN WIRE MEDIUM, MAGNETIC WALL DRIVE TYPE MEMORY, MAGNETIC WALL DRIVE TYPE SPATIAL OPTICAL MODULATOR, AND METHOD OF MANUFACTURING MAGNETIC THIN WIRE MEDIUM

To provide a magnetic thin wire medium which can be driven with a low current, a magnetic wall drive type memory, a magnetic wall drive type spatial optical modulator, and a manufacturing method for the magnetic thin wire medium which can be driven with a low current.SOLUTION: In a magnetic wall dri...

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Hauptverfasser:	NGUYEN HUYNH DUY KHANG, TAKAHASHI MAO, MIYAMOTO YASUYOSHI, IGUCHI YOSHINORI, OGURA KEI, KATO DAISUKE, NAKATANI NAOKI, PHAM NAM HAI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	BASIC ELECTRIC ELEMENTS DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY FREQUENCY-CHANGING INDUCTANCES INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER MAGNETS NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES SEMICONDUCTOR DEVICES TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF TRANSFORMERS
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Zusammenfassung:	To provide a magnetic thin wire medium which can be driven with a low current, a magnetic wall drive type memory, a magnetic wall drive type spatial optical modulator, and a manufacturing method for the magnetic thin wire medium which can be driven with a low current.SOLUTION: In a magnetic wall drive type memory, a magnetic thin wire medium 10 comprises a plurality of magnetic thin wires 11, a barrier layer 12 formed of MgO on the respective magnetic thin wires 11, and a topological insulator thin film 13 formed on the barrier layer 12. A method of manufacturing the magnetic thin wire medium includes the steps of: forming a barrier layer on a magnetic body; forming a topological insulator thin film on the barrier layer; and processing a laminate consisting of the magnetic body, the barrier layer and the topological insulator thin film into a plurality of thin wires which are parallel in plan view.SELECTED DRAWING: Figure 3 【課題】低電流で駆動できる磁性細線媒体、磁壁駆動型メモリおよび磁壁駆動型空間光変調器ならびに低電流で駆動できる磁性細線媒体の製造方法を提供する。【解決手段】磁壁駆動型メモリにおいて、磁性細線媒体１０は、複数の磁性細線１１と、それぞれの磁性細線１１の上に形成され、材料がＭｇＯであるバリア層１２と、バリア層１２の上に形成されたトポロジカル絶縁体薄膜１３と、を備える。磁性細線媒体の製造方法は、磁性体の上にバリア層を形成する工程と、バリア層の上にトポロジカル絶縁体薄膜を形成する工程と、磁性体、バリア層およびトポロジカル絶縁体薄膜からなる積層体を平面視において平行な複数の細線状に加工する工程と、を含む。【選択図】図３