A quantumfluid of fluctuating spin-spirals in MnSc2S4
An unconventional and exotic magnetic ground state has been detected in cooperation with an international group of scientists: Neutron-scattering experiments at the Heinz-Maier-Leibnitz Zentrum in Munich and at the Paul Scherrer Institut in Villingen (CH) provide experimental evidence, that at low temperatures the spins in MnSc2S4 do not exhibit long-range magnetic order, but rather form a quantum state of fluctuating spin spirals. These results have recently been published in "Nature Physics".
How does the melt become glass?
In a recently published paper in "Science", together with scientists from the University of Paris, we solve a long-standing controversy: We provide evidence that the solidification of glass is due to a phase transition, even though of unconventional nature, accompanied by an increase of molecular cooperativity.
Magnetic Vortices on the Nanoscale
Skyrmions are magnetic vortices with the potential to revolutionize data storage technology in the future. Researchers from Augsburg and Dresden in cooperation with colleagues from Hungary, Japan and Switzerland were able to detect these structures in a magnetic semiconductor. The results are published in Nature Materials and Science Advances.
Our group covers a broad field of investigations in condensed matter physics. We focus on new materials for future electronics, on unconventional ground states, superconductors, the dynamics of disordered matter and biological materials.
Aside of a large number of sample characterization methods, a strong point of our group is the combination of a variety of spectroscopic methods enabling deep insight into the microscopic properties of condensed matter. This not only includes dielectric, THz, and optical spectroscopy but also electron and nuclear magnetic resonance techniques.