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Use of voltage pulses to detect spin-polarized tunneling

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4 Author(s)
Yamada, T.K. ; NSRIM, University of Nijmegen, NL-6525 ED Nijmegen, The Netherlands and Faculty of Science, Gakushuin University, 171-8588 Mejiro, Tokyo, Japan ; Bischoff, M.M.J. ; Mizoguchi, T. ; van Kempen, H.

Your organization might have access to this article on the publisher's site. To check, click on this link:http://dx.doi.org/+10.1063/1.1556958 

The present letter describes a method to make a spin-polarized scanning tunneling microscopy tip by applying voltage pulses between a W tip and a magnetic sample. This spin-polarized tip has the similar characteristics as an Fe-coated W tip, which was confirmed by observations of antiferromagnetically coupled ferromagnetic Mn(001) layers (≫3 ML) grown on an Fe(001) whisker at 370 K. Furthermore, we demonstrate that these voltage pulses can vary the tip magnetization direction. © 2003 American Institute of Physics.

Published in:
Applied Physics Letters  (Volume:82 ,  Issue: 9 )

Date of Publication: Mar 2003

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