image: Antiferromagnetic order in an iron atom array revealed by spin-polarized imaging with a scanning tunneling microscope. 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.” view more
Credit: [Image courtesy of Sebastian Loth, IBM Research/Almaden]