Abstract
It is well-known that the origin of the magneto-optical Kerr effect (MOKE) is spin-orbit coupling of electrons. The effect is relatively small in the visible light region because of the weak spin-orbit coupling of conduction electrons. On the other hand, the effect can be enhanced significantly in the x-ray region by tuning the x-ray energy through some core electron absorption edges of the sample, since the spin-orbit coupling can be much stronger for these core-electrons.
© 1997 Optical Society of America
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