The remagnetization process feature of trilayer nanodisks

Reference:

Ognev, A., Stebliy, M. E., Samardak, A. S., Nogaret, A. and Chebotkevich, L. A., 2011. The remagnetization process feature of trilayer nanodisks. Solid State Phenomena, 168-169, pp. 249-252.

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Official URL:

http://dx.doi.org/10.4028/www.scientific.net/SSP.168-169.249

Abstract

The remagnetization process and the distribution of magnetic moments in arrays of trilayer nanodisks Co(10 nm)/Pd(0.8 nm)/Co(10 nm) with diameters D = 200 and 400 nm were studied by the magnetooptical Kerr effect (MOKE) and magnetic force microscopy (MFM). It is shown that in the nanodisks with D = 200 nm the magnetisation reversal process can be carried out by the vortex states or one-domain configurations with the antiparallel orientation of moments in the adjacent ferromagnetic layers. In arrays of nanodisks with D = 400 nm the vortex states are formed only.

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