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Extremely small magnetic nanostructures with invisibility cloak imaged

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William Ly
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In novel concepts of magnetic data storage, it is intended to send small magnetic bits back and forth in a chip structure, store them densely packed and read them out later.

The magnetic stray field generates problems when trying to generate particularly tiny bits.

Now, researchers at the Max Born Institute (MBI), the Massachusetts Institute of Technology (MIT) and DESY were able to put an "invisibility cloak" over the magnetic structures.

In this fashion, the magnetic stray field can be reduced in a fashion allowing for small yet mobile bits.

The results were published in Nature Nanotechnology.

For physicists, magnetism is intimately coupled to rotating motion of electrons in atoms.

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William Ly
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