The World's Smallest High-performance Magnetic Tunnel Junction (IMAGE)

Tohoku University

The World's Smallest High-performance Magnetic Tunnel Junction

Caption

Schematic illustrations of the shape-anisotropy MTJ (a) with the conventional single ferromagnetic structure (developed in 2018) and the multilayered ferromagnetic structure (b) using magnetostatic coupling. In the multilayered ferromagnetic structure, device performance can be improved by enhancing the interfacial anisotropy, and the two ferromagnets behave as a single magnet owing to magnetostatic coupling. This enables the ferromagnetic layer to become thinner while maintaining high thermal stability.

Credit

Butsurin Jinnai and Shunsuke Fukami

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Butsurin Jinnai and Shunsuke Fukami

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