期刊
OPTICS EXPRESS
卷 18, 期 26, 页码 27251-27256出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.18.027251
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类别
资金
- DFG [SFB 668]
- BMBF
- Free and Hanseatic City of Hamburg [HBFG1021-627]
We report on experiments using Fourier transform holography to image the in-plane magnetization of a magnetic microstructure. Magnetic sensitivity is achieved via the x-ray magnetic circular dichroism effect by recording holograms in transmission at off-normal incidence. The reference beam is defined by a narrow hole milled at an inclined angle into the opaque mask. We present magnetic domain images of an in-plane magnetized cobalt element with a size of 2 mu m x 2 mu m x 20 nm. The domain pattern shows a multi-vortex state that deviates from the simple Landau ground state. (C)2010 Optical Society of America
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