giant magnetoresistance(redirected from GMR (physics))
giant magnetoresistance:see spintronicsspintronics,
science and technology that harnesses the spin state of electrons in addition to the electrical charge state to store data or perform calculations.
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giant magnetoresistance[¦j̄i·ənt ‚mag·nēd·ō·ri′zis·təns]
A very large decrease in electrical resistance upon application of a magnetic field in certain structures composed of alternating layers of magnetic and nonmagnetic metals.