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Surfaces and interfaces

Surfaces and interfaces

Magnetic dipoles line up

21 May 2013
Photon emission electron micrograph of the magnetic state of the islands
Dipole chains – straight lines or zigzags? Photon emission electron micrograph of the magnetic state of the islands at 140 K. In the blue-coloured islands, the magnetic dipoles point upwards along the lattice, in the red-coloured islands downwards. White islands have a dipole orientation, which is perpendicular to the red and blue-coloured islands. (Courtesy: Zabel et al. Phys. Rev. Lett.)
The interaction of nanoscale magnetic dipoles has been observed for the first time by researchers in

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Ian Randall is a science writer based in New Zealand
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