Adaption of a diffractometer for time-resolved X-ray resonant magnetic scattering

A new set‐up is presented to measure element‐selective magnetization dynamics using the ALICE chamber [Grabis et al. (2003), Rev. Sci. Instrum.74, 4048–4051] at the BESSY II synchrotron at the Helmholtz‐Zentrum Berlin. A magnetic‐field pulse serves as excitation, and the magnetization precession is...

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Bibliographic Details
Published in:Journal of synchrotron radiation 2011-03, Vol.18 (2), p.212-216
Main Authors: Buschhorn, Stefan, Brüssing, Frank, Abrudan, Radu, Zabel, Hartmut
Format: Article
Language:English
Subjects:
Diffractometers
Dispersion (wave)
magnetic nanostructures
magnetization dynamics
precession
Synchrotron radiation
time-resolved resonant magnetic X-ray scattering
X-rays
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Summary:A new set‐up is presented to measure element‐selective magnetization dynamics using the ALICE chamber [Grabis et al. (2003), Rev. Sci. Instrum.74, 4048–4051] at the BESSY II synchrotron at the Helmholtz‐Zentrum Berlin. A magnetic‐field pulse serves as excitation, and the magnetization precession is probed by element‐selective X‐ray resonant magnetic scattering. With the use of single‐bunch‐generated X‐rays a temporal resolution well below 100 ps is reached. The ALICE diffractometer environment enables investigations of thin films, described here, multilayers and laterally structured samples in reflection or diffuse scattering geometry. The combination of the time‐resolved set‐up with a cryostat in the ALICE chamber will allow temperature‐dependent studies of precessional magnetization dynamics and of damping constants to be conducted over a large temperature range and for a large variety of systems in reflection geometry.
ISSN:1600-5775
0909-0495
1600-5775
DOI:10.1107/S0909049510045358