The K.U. Leuven pulsed-field facility solid-state physics in high magnetic fields
- 作者：Vanacken ; J.
- 关键词：High magnetic fields ; Pulsed magnets
- 刊名：Physica B
- 出版年：2001
- 期刊代码：53_09214526
- 类别：ph
- 出版时间：January, 2001
- 卷：294-295
- 期：Complete
- 页码：591-597
- 文件大小：317 K
摘要
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 50–60T with a pulse duration of the order of 20ms. The pulse can be extended by a crowbar circuit. The available cryogenic equipment includes flow cryostats, 4He bath cryostats, 3He bath cryostat and a 50mK 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.