Klaus von Klitzing

Spin Phenomena in the Electronic Transport of Semiconductor Quantum Structures


Abstract

The conductivity of semiconductor quantum structures is normally dominated by the charge and not by the spin of the electrons. Recent experiments on two-dimensional (quantum well), one-dimensional (quantum wire) and zero-dimensional (quantum dot) electron systems demonstrate, that also the spin of electrons may influence drastically the conductivity in these low-dimensional systems which may be important for the new fields of spintronic and quantum computing.

The talk will summarize recent experimental results including 2-dimensional ferromagnetic semiconductors, 1-dimensional spin polarized channels and a demonstration of Kondo physics and Hund’s rule for 0-dimensional „artificial atoms“.


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