MPI für Physik Komplexer Systeme / Superconductivity and magnetism |
|THE DRESDEN 100 T/10 ms PROJECT: A HIGH MAGNETIC FIELD FACILITY AT AN IR-FEL|
|Authors:||Dörr, M.; Eckert, D.; Eschrig, H.; Fischer, F.; Fulde, P.; Groessinger, R.; Grünberger, W.; Handstein, A.; Hinz, D.; Kratz, R.; Krug, H.; Loewenhaupt, M.; Müller, K.-H.; Pobell, F.; Schultz, L.; Siegel, H.; Steglich, F.; Verges, P.|
|Date of Publication (YYYY-MM-DD):||2002|
|Title of Journal:||International Journal of Modern Physics B|
|Review Status:||not specified|
|Abstract / Description:||We have proposed to build a 100 T/10 ms, 70 T/100 ms, 60 T/1 s pulsed field user facility with a 50 MJ capacitor bank at the Forschungszentrum Rossendorf near Dresden.
This would provide the appealing possibility to have access to Zeeman energies in the energy range of the infrared free-electron-lasers (5 mm to 150 mm; 2 ps; cw; > 10 W)
now under construction at the radiation source ELBE (superconducting electron linear accelerator; 40 MeV; 1 mA; 2 ps; cw) in Rossendorf. The work is accompanied by
computer simulations of the planned coil systems, of the power supply, and by the development of high-strength conductors aiming at a tensile strength of about 1.5 GPa at
s » sCu/2 (microcomposite CuAg alloys and Cu-steel macro compounds).
With a view of gaining experience in the construction and operation of pulsed magnets, a pilot pulsed field laboratory was established at the Institute of Solid State and
Materials Research Dresden (IFW Dresden). The laboratory includes short pulse magnets with peak field up to 60 T in a 24 mm bore and a rise time of about 10 ms (coil from
NHMFL, Tallahassee), and a 40 T long pulse magnet with 24 mm bore and rise time of about 80 ms (coil from METIS, Leuven). The repetition rate of 20 min between pulses is
limited by the cooling time of the coils. The coils are energized by a 1 MJ, 10 kV capacitor bank with some special features. With this set-up measurements of magnetization
and magnetotransport on 4f-electron systems, for example RECu2, have been out in the temperature range of 1.5 to 300 K and at fields up to 52 T using high precision pick-up
|External Publication Status:||published|
|Communicated by:||Heidrun Näther|
|Affiliations:||MPI für Physik Komplexer Systeme/Electronic Correlations|
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