Abstract

Going for a spin: The discovery of giant magnetoresistance (GMR) opened up a new area of technology—spintronics—which, in contrast to conventional electronics, uses not only the charge, but also the spin of the electron. Applications of GMR have revolutionized hard-disk technology (see picture). Albert Fert, Nobel laureate in Physics 2007, describes firsthand the discovery of GMR and the development of spintronics.

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