IBM creates a bit of data using only 12 iron atoms

Letter S

Miniaturized information storage in atomic-scale antiferromagnets. The binary representation of the letter ‘S’ (01010011) was stored in the Neel states of eight iron atom arrays.

After five years of work, IBM announced on Thursday that its researchers have been able to reduce from about one million to 12 the number of atoms required to create a bit of data. (video)

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