Raabe, Jörg and Pulwey, Ralph and Sattler, R and Schweinböck, T and Zweck, Josef and Weiss, Dieter (2000) Magnetisation Pattern of Ferromagnetic Nano-Discs. Journal of Applied Physics 88, p. 4437.
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We explore the magnetization pattern of Co and permalloy disks with diameters between 80 nm and 1 µm by using two complementary experimental techniques: Lorentz microscopy and magnetic force microscopy (MFM). By means of Lorentz microscopy we show that the dominating magnetization pattern of the disks is a vortex structure with closed flux lines in the plane of the disks. Complementary MFM measurements demonstrate that the magnetization in the center of the disks is tilted out of the plane of the disk. The experimental findings closely agree with corresponding micromagnetic calculations.
|Institutions:||Physics > Institute of Experimental and Applied Physics > Chair Professor Weiss > Group Dieter Weiss|
|Subjects:||500 Science > 530 Physics|
|Refereed:||Yes, this version has been refereed|
|Created at the University of Regensburg:||Yes|
|Deposited On:||25 May 2009 13:20|
|Last Modified:||05 Aug 2009 13:57|