Regensburg 2000 – wissenschaftliches Programm
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AM: Magnetismus
AM 1: Mikromagnetismus, Magnetisierungsprozesse und Domänenstrukturen I
AM 1.10: Vortrag
Montag, 27. März 2000, 12:00–12:15, H10
Soft-X-Ray Spectromicroscopy and Microspectroscopy on a Permalloy Stripe Array — •A. Ranck1, M. Döscher 2, I. Rozhko 1, and E. Kisker1 — 1Institut für Angewandte Physik, Heinrich-Heine-Universität Düsseldorf, D-40627 Düsseldorf — 2Philips Semiconductors, D-22502 Hamburg
We have used the large transverse magneto optical Kerr effect (T-
MOKE) at the Fe and Ni 3p core level thresholds to obtain images,
spectra and hysteresis loops utilizing the soft X-ray scanning
microscope at HASYLAB. The sample consists of an array of about 10
µm wide permalloy stripes deposited on SiO2. The images with T-
MOKE as a contrast mechanism show magnetic domains also within single
stripes. Hysteresis loops of single stripes were measured by soft X-
ray T-MOKE. For a magnetization perpendicular to the wires the
results differ considerably from hysteresis loops of the whole array,
measured by conventional MOKE.
Supported by BMBF 05SL8PF15 and the Ministerium für Wissenschaft
und Forschung NRW.