journal article·2018-05-01Open access

Scanning tunneling microscopy measurements of the spin Hall effect in tungsten films by using iron-coated tungsten tips

Ting Xie, Michael Dreyer, David Bowen, Dan Hinkel, R. E. Butera, Charles Krafft, Isaak Mayergoyz

AIP Advances· Volume 8· Issue 5

Abstract

Scanning tunneling microscopy experiments using iron-coated tungsten tips and current-carrying tungsten films have been conducted. An asymmetry of the tunneling current with respect to the change of the direction of the bias current through a tungsten film has been observed. It is argued that this asymmetry is a manifestation of the spin Hall effect in the current-carrying tungsten film. Nanoscale variations of this asymmetry across the tungsten film have been studied by using the scanning tunneling microscopy technique.
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Research context

OpenAlex topics: Magnetic properties of thin films · Quantum and electron transport phenomena · Surface and Thin Film Phenomena

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Department of Electrical and Computer Engineering, University of Maryland 1 , College Park, Maryland 20742, USA

Department of Physics, University of Maryland 2 , College Park, Maryland 20742, USA

Laboratory for Physical Sciences 3 , College Park, Maryland, 20740, USA

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