Researchers from New Zealand's Victoria University are developing MRAM devices (MTJs) based on rare earth nitrides (RENs). RENs, grown under ulta-high vacuum are both magnetic and semiconducting.

The team is basing its work on europium nitride, which is not usually magnetic, but has been "tricked" into behaving like a magnet by being produced with slightly too few nitrogen atoms. Those RENs are grown in France's Centre for Research on Hetero-Epitaxy and Applications.

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