Journal
APPLIED PHYSICS LETTERS
Volume 96, Issue 13, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.3377917
Keywords
chromium; iron; scanning tunnelling microscopy; spin polarised transport; tungsten; tunnelling
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Funding
- Deutsche Forschungsgemeinschaft [668]
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The spin polarization of the tunneling current between a Cr-covered scanning tunneling microscope tip and a Fe-covered W(110) surface was controllably modified by transferring single Cr atoms from the tip to the surface. Reproducible reversal of the spin polarization enables the discrimination of magnetic from electronic properties without the need of an external magnetic field.
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