A scientist in Switzerland has confirmed the existence of a new third type of magnetism known as alter-magnetism, according to a report by New Scientist, which is different from ferromagnets, such as fridge magnets, which have a strong magnetic field, and anti-ferromagnetism, which was discovered in the 1930s and lacks external fields, but has electrons spinning alternatively up and down.
Recently, Juraj Krempasky and colleagues at the Paul Scherrer Institute confirmed the existence of an alter-magnet by measuring the electron structure in a crystal, manganese telluride, that was previously thought to be anti-ferromagnetic, the report said, adding that alter-magnets “contain a blend of properties from different classes of existing magnets, [and] could be used to make high capacity and fast memory devices or new kinds of magnetic computers”, such as boosting the storage on computer hard drives, or to develop spintronic computers that use magnetic spin instead of current to perform measurements and calculations.
Read the full report: The New Scientist.
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