Research
Introduction
In the pulsed field group solid-state physics is investigated in high magnetic fields up to B=70 Tesla.
High magnetic fields are a basic research tool in contemporary condensed matter physics. In many cases,
higher magnetic fields improve the understanding of physical phenomena or are even the only way to
reveal them.
The research is focused on the following topics: the normal state properties of high temperature superconductors,
the magnetic properties of spin-Peierls compounds, Mn-Oxide CMR materials and Fe-Oxide garnet compounds,
and the photoluminescent properties of low dimensional semiconductors structures such as self-assembled
quantum dots and quantum wells.
The pulsed field facility has five parallel measuring stations. Most functions of each experiment, in particular the
control of the capacitor bank, data recording and cryogenics, are controlled by a central computer which is part of a
network for data processing and linked by fibre optics to the capacitor bank and the stations. User magnets are designed
to work reliably up to 70 T with a pulse duration of the order of 20 ms.
The available cryogenic equipment includes flow , 4He bath and 3He bath cryostats as well as a 50 mK dilution
refrigerator. Physical properties such as magnetization, magneto-transport phenomena, far-infrared (FIR)
optical absorption and photoluminescence (PL) in the visible and near infrared can be studied.
