ELECTRONIC DEVICE AND METHOD FOR FABRICATING THE SAME

ELECTRONIC DEVICE AND METHOD FOR FABRICATING THE SAME

An electronic device may include a semiconductor memory, and the semiconductor memory may include a variable resistance element including a Magnetic Tunnel Junction (MTJ) structure including a free layer having a variable magnetization direction, a pinned layer having a fixed magnetization direction...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Lim, Jong-Koo, Lee, Tae-Young, Jung, Ku-Youl, Lee, Jae-Hyoung, Kim, Jeong-Myeong
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:An electronic device may include a semiconductor memory, and the semiconductor memory may include a variable resistance element including a Magnetic Tunnel Junction (MTJ) structure including a free layer having a variable magnetization direction, a pinned layer having a fixed magnetization direction and a tunnel barrier layer interposed between the free layer and the pinned layer; a first protective layer disposed on a lower sidewall of the variable resistance element; and a second protective layer disposed on an upper sidewall of the variable resistance element, wherein any one layer of the first protective layer and the second protective layer may apply a compressive stress to the variable resistance element, and the other layer applies a tensile stress to the variable resistance element.