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A full magnetic characterization of bulk Cr tips has been achieved using spin-polarized scanning tunneling microscopy at low temperature. A detailed bias-dependent study of the spatial magnetic sensitivity on the system of 1.5 monolayers of Fe/W(110) reveals that all magnetic directions in space are sensed over a wide bias range, thereby indicating a canted magnetization direction being a typical feature of bulk Cr tips. Consequently, using Cr as tip material allows any standard scanning tunneling microscope setup to be extended by the spin-polarized mode.
Published in:
Applied Physics Letters
(Volume:97
,
Issue:
8
)
Date of Publication: Aug 2010
- Page(s):
- 083104 - 083104-3
- ISSN :
- 0003-6951
- Digital Object Identifier :
- 10.1063/1.3474659
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 16 September 2010
- Issue Date :
- Aug 2010
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