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We have measured the X-ray absorption (XAS) and X-ray magnetic circulardichroism (XMCD) at the Mn L3,2 edges in ferromagnetic Ga1-xMnxP films for0.018<x<0.042. Large XMCD asymmetries at the L3 edge indicate significantspin-polarization of the density of states at the Fermi energy. The spectralshapes of the XAS and XMCD are nearly identical with those for Ga1-xMnxAsindicating that the hybridization of Mn d states and anion p states is similarin the two materials. Finally, compensation with sulfur donors not only lowersthe ferromagnetic Curie temperature but also reduces the spin polarization ofthe hole states.Comment: 2 pages, 1 figure; To appear in the Proceedings of the 28th  International Conference on the Physics of Semiconductors (ICPS-28, Vienna,  Austria, July 24-28, 2006

Mn L3,2 X-ray Absorption Spectroscopy And Magnetic Circular Dichroism In Ferromagnetic Ga1−xMnxP