MAGNETIC MEMORY DEVICES

A magnetic memory device including a magnetic tunnel junction is provided. The magnetic tunnel junction includes a fixed layer, a polarization enhancement structure on the fixed layer, a tunnel barrier layer on the polarization enhancement structure, and a free layer on the tunnel barrier layer, whe...

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Bibliographic Details
Main Authors Oh, Sechung, Seo, Hyeonwoo, Kim, Jaehoon, Park, Sanghwan, Cho, Hyun, Park, Yongsung
Format Patent
LanguageEnglish
Published 19.05.2022
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
SEMICONDUCTOR DEVICES
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Summary:A magnetic memory device including a magnetic tunnel junction is provided. The magnetic tunnel junction includes a fixed layer, a polarization enhancement structure on the fixed layer, a tunnel barrier layer on the polarization enhancement structure, and a free layer on the tunnel barrier layer, wherein the polarization enhancement structure includes a plurality of polarization enhancement layers and at least one spacer layer which separates the plurality of polarization enhancement layers from each other. A thickness of each of the plurality of polarization enhancement layers is from 5 Å to about 20 Å, and a thickness of the at least one spacer layer is from about 2 Å to about 15 Å.
Bibliography:Application Number: US202117358435