Imaging of lateral spin valves with soft x-ray microscopy

O. Mosendz; G. Mihajlović; J. E. Pearson; P. Fischer; M. Y. Im; S. D. Bader; A. Hoffmann

doi:10.1103/PhysRevB.80.104439

Imaging of lateral spin valves with soft x-ray microscopy

O. Mosendz, G. Mihajlović, J. E. Pearson, P. Fischer, M. Y. Im, S. D. Bader, A. Hoffmann

Research output: Contribution to journal › Article › peer-review

Abstract

We investigated Co/Cu lateral spin valves by means of high-resolution transmission soft x-ray microscopy with magnetic contrast that utilizes x-ray magnetic circular dichroism (XMCD). No magnetic XMCD contrast was observed at the Cu L3 absorption edge, which should directly image the spin accumulation in Cu, although electrical transport measurements in a nonlocal geometry clearly detected the spin accumulation in Cu, which remained unchanged during illumination with circular polarized x rays at the Co and Cu L3 absorption edges.

Original language	English (US)
Article number	104439
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	80
Issue number	10
DOIs	https://doi.org/10.1103/PhysRevB.80.104439
State	Published - Sep 30 2009
Externally published	Yes

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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10.1103/PhysRevB.80.104439

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abstract = "We investigated Co/Cu lateral spin valves by means of high-resolution transmission soft x-ray microscopy with magnetic contrast that utilizes x-ray magnetic circular dichroism (XMCD). No magnetic XMCD contrast was observed at the Cu L3 absorption edge, which should directly image the spin accumulation in Cu, although electrical transport measurements in a nonlocal geometry clearly detected the spin accumulation in Cu, which remained unchanged during illumination with circular polarized x rays at the Co and Cu L3 absorption edges.",

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AU - Mihajlović, G.

AU - Pearson, J. E.

AU - Fischer, P.

AU - Im, M. Y.

AU - Bader, S. D.

AU - Hoffmann, A.

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AB - We investigated Co/Cu lateral spin valves by means of high-resolution transmission soft x-ray microscopy with magnetic contrast that utilizes x-ray magnetic circular dichroism (XMCD). No magnetic XMCD contrast was observed at the Cu L3 absorption edge, which should directly image the spin accumulation in Cu, although electrical transport measurements in a nonlocal geometry clearly detected the spin accumulation in Cu, which remained unchanged during illumination with circular polarized x rays at the Co and Cu L3 absorption edges.

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Imaging of lateral spin valves with soft x-ray microscopy

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