title: ALICE—An advanced reflectometer for static and dynamic experiments in magnetism at synchrotron radiation facilities.
abstract: We report on significant developments of a high vacuum reflectometer (diffractometer) and spectrometer for soft x-ray synchrotron experiments which allows conducting a wide range of static and dynamic experiments. Although the chamber named ALICE was designed for the analysis of magnetic hetero- and nanostructures via resonant magnetic x-ray scattering, the instrument is not limited to this technique. The versatility of the instrument was testified by a series of pilot experiments. Static measurements involve the possibility to use scattering and spectroscopy synchrotron based techniques (photon-in photon-out, photon-in electron-out, and coherent scattering). Dynamic experiments require either laser or magnetic field pulses to excite the spin system followed by x-ray probe in the time domain from nano- to femtosecond delay times. In this temporal range, the demagnetization/remagnetization dynamics and magnetization precession in a number of magnetic materials (metals, alloys, and magnetic multilayers) can be probed in an element specific manner. We demonstrate here the capabilities of the system to host a variety of experiments, featuring ALICE as one of the most versatile and demanded instruments at the Helmholtz Center in Berlin-BESSY II synchrotron center in Berlin, Germany.
authors.affiliation: Institute for Condensed Matter Physics, Ruhr-Universität Bochum, 44780 Bochum, Germany.
authors.forename: R
authors.initials: R
authors.lastname: Abrudan
authors.affiliation: Institute for Condensed Matter Physics, Ruhr-Universität Bochum, 44780 Bochum, Germany.
authors.forename: F
authors.initials: F
authors.lastname: Brüssing
authors.affiliation: Institute for Condensed Matter Physics, Ruhr-Universität Bochum, 44780 Bochum, Germany.
authors.forename: R
authors.initials: R
authors.lastname: Salikhov
authors.affiliation: Institute for Condensed Matter Physics, Ruhr-Universität Bochum, 44780 Bochum, Germany.
authors.forename: J
authors.initials: J
authors.lastname: Meermann
authors.affiliation: Helmholtz-Zentrum-Berlin for Materials and Energy, 12489 Berlin, Germany.
authors.forename: I
authors.initials: I
authors.lastname: Radu
authors.affiliation: Helmholtz-Zentrum-Berlin for Materials and Energy, 12489 Berlin, Germany.
authors.forename: H
authors.initials: H
authors.lastname: Ryll
authors.affiliation: Helmholtz-Zentrum-Berlin for Materials and Energy, 12489 Berlin, Germany.
authors.forename: F
authors.initials: F
authors.lastname: Radu
authors.affiliation: Institute for Condensed Matter Physics, Ruhr-Universität Bochum, 44780 Bochum, Germany.
authors.forename: H
authors.initials: H
authors.lastname: Zabel