A multi-level-cell spin-transfer torque memory with series-stacked magnetotunnel junctions

Ishigaki, Takashi; Kawahara, T.; Takemura, R.; Ono, Kyosuke; Ito, Keita; Matsuoka, Hideki; Ohno, Hideo

doi:10.1109/vlsit.2010.5556126

Public

A multi-level-cell spin-transfer torque memory with series-stacked magnetotunnel junctions

Published • Jun 1, 2010

Authors:

Takashi Ishigaki

T. Kawahara

R. Takemura

Abstract

We first report a multi-level-cell (MLC) spin-transfer torque memory (SPRAM) with series-connected magnetotunnel junctions (MTJs). The series MTJs (with different areas) show multi-level resistances by a combination of their magnetization directions. A four-level operation by spin-transfer-torque wr...

Subject

Spin-transfer torque

Torque

Series (stratigraphy)

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