Time-resolved magnetic domain imaging by x-ray photoemission electron microscopy

X-ray photoemission electron microscopy (X–PEEM) is a powerful imaging technique that can be used to perform element selective magnetic domain imaging on heterogeneous samples with different magnetic layers, like spin valves and tunnel junctions. We have performed nanosecond time-resolved X–PEEM mea...

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Veröffentlicht in:Applied physics letters 2003-04, Vol.82 (14), p.2299-2301
Hauptverfasser: Vogel, J., Kuch, W., Bonfim, M., Camarero, J., Pennec, Y., Offi, F., Fukumoto, K., Kirschner, J., Fontaine, A., Pizzini, S.
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container_end_page 2301
container_issue 14
container_start_page 2299
container_title Applied physics letters
container_volume 82
creator Vogel, J.
Kuch, W.
Bonfim, M.
Camarero, J.
Pennec, Y.
Offi, F.
Fukumoto, K.
Kirschner, J.
Fontaine, A.
Pizzini, S.
description X-ray photoemission electron microscopy (X–PEEM) is a powerful imaging technique that can be used to perform element selective magnetic domain imaging on heterogeneous samples with different magnetic layers, like spin valves and tunnel junctions. We have performed nanosecond time-resolved X–PEEM measurements, on the permalloy layer of a Ni80Fe20 (5 nm)/Cu (10 nm)/Co (5 nm) trilayer deposited on Si(111). We used the pump-probe mode, synchronizing a magnetic pulse from a microcoil with the x-ray photon bunches delivered by the BESSY synchrotron in single bunch mode. Images could be acquired during and after the 20 ns long and 80 Oe high field pulses. The nucleation and subsequent growth of reversed domains in the permalloy could be observed, demonstrating the feasibility of element selective and time-resolved domain imaging using X–PEEM.
doi_str_mv 10.1063/1.1564876
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