Quarter-Wave Plates and X-ray Magnetic Circular Dichroism on ID24 at the ESRF

Pizzini, S.; Bonfim, M.; Baudelet, F.; Tolentino, H.; San Miguel, A.; Mackay, K.; Malgrange, C.; Hagelstein, M.; Fontaine, A.

doi:10.1107/S0909049598004154

Quarter-Wave Plates and X-ray Magnetic Circular Dichroism on ID24 at the ESRF

S. Pizzini, M. Bonfim, F. Baudelet, H. Tolentino, A. San Miguel, K. Mackay, C. Malgrange, M. Hagelstein and A. Fontaine

The first XMCD measurements carried out on the ID24 energy-dispersive XAS beamline at the ESRF are reported. Circular-polarized X-rays are obtained using perfect diamond crystals as quarter-wave plates. The very small source divergence allows circular polarizations close to unity to be obtained.

Keywords: X-ray magnetic circular dichroism; X-ray quarter-wave plates.

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