Storing Data in Tiny Antiferromagnets (7 of 8) (IMAGE)

American Association for the Advancement of Science (AAAS)

Storing Data in Tiny Antiferromagnets (7 of 8)

Caption

This image shows the layout on the Cu2N layer grown on copper (Cu). In the STM image, each iron (Fe) atom appears as a green bump. The researchers chose a relatively large spacing between the Fe atoms to be able to image them as individual bumps in the STM -- closer spacing and hence stronger magnetic interactions can be achieved. This image relates to a paper that appeared in the Jan. 13, 2012, issue of Science, published by AAAS. The paper, by Sebastian Loth at IBM Research Division, Almaden Research Center in San Jose, Calif., and colleagues, was titled, “Bistability in Atomic-Scale Antiferromagnets.”

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[Image courtesy of IBM Research/Almaden]

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