MAGNETIC ELEMENT

MAGNETIC ELEMENT

PROBLEM TO BE SOLVED: To provide a magnetic element whose magnetic substance magnetization can be read out without using an external magnetic field. SOLUTION: A ferromagnetic conductive film 2 and a direct transition type of semiconductor 1 are made into a stack 3 without magnetic coupling. Spin pol...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: OKUNO SHIHO, INOMATA KOICHIRO
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRICITY
INDUCTANCES
MAGNETS
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
TESTING
TRANSFORMERS
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To provide a magnetic element whose magnetic substance magnetization can be read out without using an external magnetic field. SOLUTION: A ferromagnetic conductive film 2 and a direct transition type of semiconductor 1 are made into a stack 3 without magnetic coupling. Spin polarized electrons which have polarity based on the direction of circular polarization polarized light are excited in a direct transition type of semiconductor 1, and when these spin polarized electrons flow in the stack 3, this magnetic element detects the direction of the magnetization of the ferromagnetic conductive film 2.