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Journal Articles Nature Year : 2022

Two-dimensional materials prospects for non-volatile spintronic memories

Sébastien Couet
  • Function : Author
Kevin Garello
Matthieu Jamet
Gouri Sankar Kar
  • Function : Author
Hyeon-Jin Shin

Abstract

Non-volatile magnetic random-access memories (MRAMs), such as spin-transfer torque MRAM and next-generation spin–orbit torque MRAM, are emerging as key to enabling low-power technologies, which are expected to spread over large markets from embedded memories to the Internet of Things. Concurrently, the development and performances of devices based on two-dimensional van der Waals heterostructures bring ultracompact multilayer compounds with unprecedented material-engineering capabilities. Here we provide an overview of the current developments and challenges in regard to MRAM, and then outline the opportunities that can arise by incorporating two-dimensional material technologies. We highlight the fundamental properties of atomically smooth interfaces, the reduced material intermixing, the crystal symmetries and the proximity effects as the key drivers for possible disruptive improvements for MRAM at advanced technology nodes.
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Dates and versions

hal-03745140 , version 1 (22-11-2022)

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Hyunsoo Yang, Sergio Valenzuela, Mairbek Chshiev, Sébastien Couet, Bernard Dieny, et al.. Two-dimensional materials prospects for non-volatile spintronic memories. Nature, 2022, 606, pp.663-673. ⟨10.1038/s41586-022-04768-0⟩. ⟨hal-03745140⟩
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