Magnetic Force Microscopy on Co/Pt Multilayers

Abstract:

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Co/Pt multilayers reside among the best candidates for perpendicular magneto-optic recording. In this work, Co/Pt multilayers were prepared by electron-beam evaporation under ultrahigh vacuum conditions on polyimide. X-ray diffraction measurements revealed the high quality of multilayer stacking. Magneto-optic polar Kerr effect experiments were used in order to obtain magnetization hysteresis loops of the films. We have studied the magnetic-domain morphology on the surface of the films via Magnetic Force Microscopy. The field applied during these measurements was 2.3 kOe oriented perpendicular to the film plane; this field seems to stabilize and enhance out-of-plain stripe domains against in plain domains that may be expected from magnetization curves. Finally, we observed that when the applied field approaches the magnetic saturation field, then the domain morphology turns to be dominated by bubble domains.

Info:

Periodical:

Solid State Phenomena (Volumes 152-153)

Edited by:

N. Perov

Pages:

241-244

DOI:

10.4028/www.scientific.net/SSP.152-153.241

Citation:

V. Karoutsos et al., "Magnetic Force Microscopy on Co/Pt Multilayers", Solid State Phenomena, Vols. 152-153, pp. 241-244, 2009

Online since:

April 2009

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Price:

$35.00

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