Departmental Colloquium

Spectroscopy of semiconductors in magnetic fields

Marek Potemski
Grenoble High Magnetic Field Laboratory, MPI/FKF and CNRS, France

Time
Wed. February 4, 2004     1:30 PM     Stirling A

Abstract

A combination of magnetic field techniques and methods of optical spectroscopy offers a wide range of experimental tools that are used to investigate the semiconductor structures. Using these tools, we may study the zero-field properties of novel materials and/or investigate the phenomena, which are induced by the magnetic field. A review of our recent works devoted to investigations of : i) electronic properties of bulk GaN, ii) electron-phonon interaction in n-type GaAs (bulk and quantum wells), iii) spin excitations in diluted magnetic semiconductor quantum wells, iiii) many-exciton states in self-assembled InAs quantum dots and fractional quantum Hall states in a high mobility GaAs quantum well, will be presented. Dr. Marek Potemski is an innovative physicist recognized for his work in semiconductor nanostructures. He is a research director at the Centre national de la recherché scientifique (CNRS) and Head of the Semiconductor group at the High Magnetic Field Laboratory in Grenoble, France. Dr. Potemski is the 2003-2004 recipient of the Herzberg Memorial Prize and Fellowship, consisting of a $25,000 prize and $100,000 fellowship, enabling him to spend the year at the National Research Council in Ottawa.

Refreshments will be available after the talk

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