Abstract
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 is linked by fiber optics to the capacitor bank and the stations. User magnets are designed to work reliably up to 50–60 T with a pulse duration of the order of 20 ms. The pulse can be extended by a crowbar circuit. The available cryogenic equipment includes flow cryostats, 4He bath cryostats, 3He bath cryostat and 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. The solid-state research is focused on the following topics: the normal state transport properties of high-temperature superconductors, the study of magnetic systems as spin-Peierls compounds, Mn-Oxide GMR materials and Fe-Oxide garnet compounds, and low-dimensional semiconductors such as self-assembled quantum dots and quantum wells.
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