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Imaging Magnetic Nanostructures by Spin-polarized Scanning Tunneling Spectroscopy by M. Bode; O. Pietzsch; A. Kubetzka; R. Wiesendanger is a Physics and Astronomy article available to read on EtoBox.

What is Imaging Magnetic Nanostructures by Spin-polarized Scanning Tunneling Spectroscopy about?

Spin-polarized scanning tunneling spectroscopy (SP-STS) using Gd-and Fe-coated probe tips is investigated. The antiferromagnetic domain structure of perpendicularly magnetized Fe nanowires is imaged by using Gd-coated tips. The influence of an external magnetic field on the nanowire domain structure is demonstrated. Magnetic saturation of the sample is observed at about 450 mT. While Gd-coated tips are sensitive to the out-of-plane magnetization direction, the Fe thin film tips were found to be magnetized in-plane, i.e. perpendicular to the tip axis. Our results indicate that the shape anisotropy of our thin film tips plays a minor role compared to the interface anisotropies at the tip apex.

Who reads Imaging Magnetic Nanostructures by Spin-polarized Scanning Tunneling Spectroscopy?

Author

M. Bode; O. Pietzsch; A. Kubetzka; R. Wiesendanger

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0368-2048)

Published

2001

Language

EN

Field

Physics and Astronomy (Physical Sciences)