MEMRISTOR DEVICE WITH RESISTANCE ADJUSTABLE BY MOVING A MAGNETIC WALL BY SPIN TRANSFER AND USE OF SAID MEMRISTOR IN A NEURAL NETWORK

A device with adjustable resistance includes two magnetic elements separated by an insulating or semi-conductor element. The resistance of the device depends on the position of a magnetic wall in one of the magnetic elements, the magnetic wall separating two areas of said magnetic element each havin...

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Bibliographic Details
Main Authors GROLLIER, JULIE, CROS, VINCENT, NGUYEN VAN DAU, FREDERIC
Format Patent
LanguageEnglish
French
German
Published 07.03.2012
Subjects
ELECTRICITY
INFORMATION STORAGE
PHYSICS
STATIC STORES
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Summary:A device with adjustable resistance includes two magnetic elements separated by an insulating or semi-conductor element. The resistance of the device depends on the position of a magnetic wall in one of the magnetic elements, the magnetic wall separating two areas of said magnetic element each having a separate homogeneous direction of magnetization. The device comprises means for moving the magnetic wall in the magnetic element by applying a spin-polarized electric current, such that the resistance of the device is adjustable in a continuous range of values. The invention is useful in neuromimetic circuits, neural networks and bio-inspired computers.
Bibliography:Application Number: EP20100715869