STT-MRAM cell structure incorporating piezoelectric stress material

STT-MRAM cell structure incorporating piezoelectric stress material

A magnetic memory cell including a piezoelectric material, and methods of operating the memory cell are provided. The memory cell includes a stack, and the piezoelectric material may be formed as a layer in the stack or adjacent the layers of the cell stack. The piezoelectric material may be used to...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Liu Jun, Kramer Steve, Sandhu Gurtej
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
INFORMATION STORAGE
PHYSICS
SEMICONDUCTOR DEVICES
STATIC STORES
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Beschreibung
Zusammenfassung:A magnetic memory cell including a piezoelectric material, and methods of operating the memory cell are provided. The memory cell includes a stack, and the piezoelectric material may be formed as a layer in the stack or adjacent the layers of the cell stack. The piezoelectric material may be used to induce a transient stress during programming of the memory cell to reduce the critical switching current of the memory cell.