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: SANDHU GURTEJ, LIU JUN, KRAMER STEVE
Format: Patent
Sprache:eng
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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.