Polarization and angular dependence of theL2,3absorption edges in Ni(110)

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Abstract
We have measured magnetic circular x-ray dichroism (MCXD) in a remanently magnetized Ni(110) single crystal, with the light in grazing incidence. Measuring the x-ray absorption as a function of the applied magnetic field, we could draw a hysteresis curve similar to one obtained with a magneto-optical Kerr effect on the same crystal. Spectra taken with linearly polarized light show clear variations as the angle of incidence of the light on the sample is changed. The possible origins for this angular-dependent absorption and its consequences for MCXD measurements taken in grazing incidence are discussed.