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

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Dirnaichner, Alois ; Grifoni, Milena ; Prüfling, Andreas ; Steininger, Daniel ; Hüttel, Andreas K. ; Strunk, Christoph
Date of publication of this fulltext: 08 May 2015 11:46


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 ...


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