Magnetic tunnel junctions based on magnesium oxide are used in high-density hard disk drives and form the basis of storage in data centres. Shinji Yuasa recounts how the first devices suitable for industrial application were developed.
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Yuasa, S. How we made the magnesium oxide magnetic tunnel junction. Nat Electron 8, 1289–1290 (2025). https://doi.org/10.1038/s41928-025-01527-7
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DOI: https://doi.org/10.1038/s41928-025-01527-7
