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Science  20 Oct 2000:
Vol. 290, Issue 5491, pp. 403
DOI: 10.1126/science.290.5491.403e

To develop the next generation of magnetic memory devices, researchers need to grasp the dynamics of magnetization at vanishingly small length and time scales. This week on p. 492, Acremann et al. describe a new imaging technique that reveals magnetization moving through a thin cobalt disk. Go to Science Online to see a 3D video rendering of the out-of-plane (z) component of magnetization flashing across a few square micrometers of cobalt in less than a nanosecond.

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