Physik seit Einstein

Quantum Phenomena in Nanoelectronics: A Modern Research Field

Klaus v. Klitzing
Max-Planck-Institut für Festkörperforschung, Heisenbergstr.1 D-70569 Stuttgart, Germany

The scaling laws for the miniaturization of microelectronic devices break down if the wave nature and the discrete charge of electrons dominate the electronic properties. These quantum phenomena do not mark the end in the miniaturization of devices but open the possibility to create new devices with new functions where for example ballistic transport, the energy quantization of electrons in confined structures, the electron spin, tunnel phenomena through barriers, and single electron charging of small islands play an important role.
The talk gives an overview about the physics, technology and application of semiconductor quantum structures and discusses some recent basic research activities in the fascinating field of quantum information technology.

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