Journal Article

DESY-2014-01095

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Ultrafast Dynamics of Magnetic Domain Structures Probed by Coherent Free-Electron Laser Light

Müller, L. (Corresponding author)DESY* ; Schleitzer, S.DESY* ; Gutt, C.Extern* ; Pfau, B.Extern* ; Schaffert, S. ; Geilhufe, J.Extern* ; von Korff Schmising, C.Extern* ; Schneider, M.Extern* ; Günther, C. M. ; Büttner, F.Extern* ; Capotondi, F.Extern* ; Pedersoli, E.Extern* ; Düsterer, S.DESY* ; Redlin, H.DESY* ; Al-Shemmary, A.DESY* ; Treusch, R.DESY* ; Bach, J.Extern* ; Frömter, R.Extern* ; Vodungbo, B.Extern* ; Gautier, J. ; Zeitoun, P.Extern* ; Popescu, H.Extern* ; Lopez-Flores, V. ; Beaulieu, N. ; Sirotti, F. ; Jaouen, N.Extern* ; Malinowski, G.Extern* ; Tudu, B.Extern* ; Li, K.Extern* ; Lüning, J.Extern* ; Oepen, H. P.Extern* ; Kiskinova, M.Extern* ; Eisebitt, S.Extern* ; Grübel, G.DESY*

2013
Taylor & Francis Philadelphia, Pa.

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Please use a persistent id in citations: doi:10.1080/08940886.2013.850384  doi:10.3204/DESY-2014-01095

Abstract: The free-electron laser (FEL) sources FLASH in Hamburg, LCLS at Stanford, and FERMI in Trieste provide XUV to soft X-ray radiation (FLASH and FERMI) or soft to hard X-ray radiation (LCLS) with unprecedented parameters in terms of ultrashort pulse length, high photon flux, and coherence. These properties make FELs ideal tools for studying ultrafast dynamics in matter on a previously unaccessible level. This paper first reviews results obtained at FEL sources during the last few years in the field of magnetism research. We start with pioneering experiments at FLASH demonstrating the feasibility of magnetic scattering at FELs [1, 2], then present pump–probe scattering experiments [3, 4] as well as the first FEL magnetic imaging experiments [5], and finally discuss a limitation of the scattering methods due to a quenching of the magnetic scattering signal by high-fluence FEL pulses [6]. All of the presented experiments exploit the X-ray magnetic circular dichroism effect [7, 8] to obtain element-specific magnetic scattering contrast, as known from synchrotron experiments [9–12].

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Contributing Institute(s):

1. Coherent X-ray Scattering (FS-CXS)
2. DOOR-User (DOOR)
3. Experimentebetreuung FLASH (FS-FL)
4. Laser Forschung und Entwicklung (FS-LA)

Research Program(s):

1. FLASH Beamline BL1 (POF2-54G16) (POF2-54G16)
2. FLASH Beamline BL2 (POF2-54G16) (POF2-54G16)
3. FLASH Beamline BL3 (POF2-54G16) (POF2-54G16)

Experiment(s):

1. FLASH Beamline BL2 (FLASH)
2. FLASH Beamline BL3 (FLASH)

Appears in the scientific report 2013

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