Resolving complex atomic-scale spin structures by spin-polarized scanning tunneling microscopy |
| |
Authors: | Wortmann D Heinze S Kurz P Bihlmayer G Blügel S |
| |
Affiliation: | Institut für Festk?rperforschung, Forschungszentrum Jülich, D-52425 Jülich, Germany. |
| |
Abstract: | 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 ab initio vector spin-density calculations to be a coplanar noncollinear periodic 120 degrees Néel structure. Different operating modes of the SP-STM are discussed on the basis of the model of Tersoff and Hamann. |
| |
Keywords: | |
本文献已被 PubMed 等数据库收录! |
|