Spin effects in single-electron tunnelling

J Barnaś, I Weymann - Journal of Physics: Condensed Matter, 2008 - iopscience.iop.org
An important consequence of the discovery of giant magnetoresistance in metallic magnetic
multilayers is a broad interest in spin-dependent effects in electronic transport through …

Tunnel magnetoresistance of quantum dots coupled to ferromagnetic leads in the sequential and cotunneling regimes

I Weymann, J König, J Martinek, J Barnaś… - Physical Review B …, 2005 - APS
We study electronic transport through quantum dots weakly coupled to ferromagnetic leads
with collinear magnetization directions. Tunneling contributions of first and second order in …

Quantum dot as a spin-current diode: A master-equation approach

FM Souza, JC Egues, AP Jauho - Physical Review B—Condensed Matter and …, 2007 - APS
We report a study of spin-dependent transport in a system composed of a quantum dot
coupled to a normal metal lead and a ferromagnetic lead (NM-QD-FM). We use the master …

Nanospintronics: when spintronics meets single electron physics

P Seneor, A Bernand-Mantel… - Journal of Physics …, 2007 - iopscience.iop.org
As spintronics goes nano, new phenomena are predicted resulting from the interplay
between spin dependent transport and single electron physics. The long term goal of …

Spin-resolved Andreev transport through double-quantum-dot Cooper pair splitters

P Trocha, I Weymann - Physical Review B, 2015 - APS
We investigate the Andreev transport through double-quantum-dot Cooper pair splitters with
ferromagnetic leads. The analysis is performed with the aid of the real-time diagrammatic …

Effects of different geometries on the conductance, shot noise, and tunnel magnetoresistance of double quantum dots

I Weymann - Physical Review B—Condensed Matter and Materials …, 2008 - APS
The spin-polarized transport through a coherent strongly coupled double quantum dot
(DQD) system is analyzed theoretically in the sequential and cotunneling regimes. Using the …

Frequency-dependent current noise through quantum-dot spin valves

M Braun, J König, J Martinek - Physical Review B—Condensed Matter and …, 2006 - APS
We study frequency-dependent current noise through a single-level quantum dot connected
to ferromagnetic leads with noncollinear magnetization. We propose to use the frequency …

Transport through quantum-dot spin valves containing magnetic impurities

B Sothmann, J König - Physical Review B—Condensed Matter and Materials …, 2010 - APS
We investigate transport through a single-level quantum dot coupled to noncollinearly
magnetized ferromagnets in the presence of localized spins in either the tunnel barrier or on …

[KNJIGA][B] Quantum Transport in Interacting Nanojunctions

A Donarini, M Grifoni - 2024 - Springer
These lecture notes provide an introduction to the field of quantum transport in interacting
nanojunctions. The theoretical approach to transport considered in the book is based on a …

Observation of spin-selective tunneling in SiGe nanocrystals

G Katsaros, VN Golovach, P Spathis, N Ares… - Physical Review Letters, 2011 - APS
Spin-selective tunneling of holes in SiGe nanocrystals contacted by normal-metal leads is
reported. The spin selectivity arises from an interplay of the orbital effect of the magnetic field …