Walter Schottky Institute
Center for Nanotechnology and Nanomaterials

Welcome to the Kastl - Group
Group leader: Dr. Christoph Kastl


New quantum phenomena in topological solid state systems

Our group explores novel quantum phenomena in low-dimensional quantum systems that hold promise to enable enhanced control of spin-orbit interactions, light-matter interactions, and quantum transport.

We are particularly interested in the effects of non-trivial band topologies on the charge and spin dynamics in novel low-dimensional material systems.

Material systems

Our research focuses currently on topological insulators (Bi2Se3 and related materials), Weyl semimetals (WTe2 and related materials) as well as semiconducting transition metal dichalcogenides (MoS2 and WS2).

Experimental techniques

To study charge and spin dynamics we use ultrafast time-resolved optical and electronic spectroscopy techniques.

We use the facilities of the ZNN cleanroom for sample fabrication and material characterization, and our group develops techniques for fabrication of van-der-Waals heterostructures in controlled environments.

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(c) 2018 Walter Schottky Institut