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Electric Field Control of Spin Lifetimes in Nb-SrTiO3 by Spin-Orbit Fields

URN to cite this document:
urn:nbn:de:bvb:355-epub-349070
DOI to cite this document:
10.5283/epub.34907
Kamerbeek, M. ; Högl, Petra ; Fabian, Jaroslav ; Banerjee, Tamalika
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Date of publication of this fulltext: 28 Nov 2016 12:53


Abstract

We show electric field control of the spin accumulation at the interface of the oxide semiconductor Nb−SrTiO3 with Co/AlOx spin injection contacts at room temperature. The in-plane spin lifetime τ∥, as well as the ratio of the out-of-plane to in-plane spin lifetime τ⊥/τ∥, is manipulated by the built-in electric field at the semiconductor surface, without any additional gate contact. The origin of ...

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