Nanomagnets for Future Data Storage
The idea is intriguing: if only a single atom or small molecule was needed for a single unit of data (a 0 or a 1 in the case of binary digital technology), massive volumes of data could be stored in the tiniest amount of space. This is theoretically possible, as certain atoms can be magnetised in only one of two possible directions: “spin up” or “spin down.” Information could then be stored and read by the sequence of the molecules’ magnetisation directions.
However, several obstacles still need to be overcome before single-molecule magnet data storage becomes a reality...
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