Transport across a carbon nanotube quantum dot contacted with ferromagnetic leads: Experiment and nonperturbative modeling

URN to cite this document:: urn:nbn:de:bvb:355-epub-318263
DOI to cite this document:: 10.5283/epub.31826

Dirnaichner, Alois ; Grifoni, Milena ; Prüfling, Andreas ; Steininger, Daniel ; Hüttel, Andreas K. ; Strunk, Christoph

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Date of publication of this fulltext: 08 May 2015 11:46

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Abstract

We present measurements of tunneling magnetoresistance (TMR) in single-wall carbon nanotubes attached to ferromagnetic contacts in the Coulomb blockade regime. Strong variations of the TMR with gate voltage over a range of four conductance resonances, including a peculiar double-dip signature, are observed. The data are compared to calculations in the “dressed second order” (DSO) framework. In ...