Evidence for selective imaging of different magnetic ions on the atomic scale by using a scanning tunnelling microscope with a ferromagnetic probe tip

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Erscheinungsjahr:
1992
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Text
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  • Atomic resolution has been obtained on a magnetite (Fe3O4(001)) surface using a scanning tunnelling microscope with nonmagnetic tungsten and ferromagnetic iron tips. Selective imaging of Fe2 +and Fe3 +on B-sites is achieved by using the ferromagnetic Fe probe tip, reflecting the different spin configurations of the two magnetic ions. Local order in the distribution of Fe2 +and Fe3 +on the (001) surface is found at room temperature, well above the bulk order-disorder (Verwey) transition. © 1992 IOP Publishing Ltd.
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  • info:eu-repo/semantics/restrictedAccess
Quellsystem:
Forschungsinformationssystem der UHH

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oai:www.edit.fis.uni-hamburg.de:publications/8428f6e6-9f9e-4238-9348-6384d244c7fb