Journal
PHYSICAL REVIEW LETTERS
Volume 86, Issue 18, Pages 4132-4135Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.86.4132
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The spin-polarized scanning tunneling microscope (SP-STM) operated in the constant current mode is proposed as a powerful tool to investigate complex atomic-scale magnetic structures of otherwise chemically equivalent atoms. The potential of this approach is demonstrated by successfully resolving the magnetic structure of Cr/Ag(111). which is predicted on the basis of ah initio vector spin-density calculations to be a coplanar noncollinear periodic 120 degrees Neel structure. Different operating modes of the SP-STM are discussed on the: basis of the model of Tersoff and Hamann.
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