Absence of a giant spin Hall effect in plasma-hydrogenated graphene

URN to cite this document:: urn:nbn:de:bvb:355-epub-382987
DOI to cite this document:: 10.5283/epub.38298

Völkl, Tobias ; Kochan, Denis ; Ebnet, Thomas ; Ringer, Sebastian ; Schiermeier, Daniel ; Nagler, Philipp ; Korn, Tobias

; Schüller, Christian ; Fabian, Jaroslav

; Weiss, Dieter

; Eroms, Jonathan

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Date of publication of this fulltext: 05 Feb 2019 09:36

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Abstract

The weak spin-orbit interaction in graphene was predicted to be increased, e.g., by hydrogenation. This should result in a sizable spin Hall effect (SHE). We employ two different methods to examine the spin Hall effect in weakly hydrogenated graphene. For hydrogenation we expose graphene to a hydrogen plasma and use Raman spectroscopy to characterize this method. We then investigate the SHE of ...