Abstract
We studied the electronic properties and spin polarization of the interface between Co and black phosphorus (BP) with ultraviolet, X-ray and spin-resolved photoemission spectroscopy. The results show that the outermost BP is destroyed and the unbonded P is produced in the process of Co deposition. There is no chemical reaction and an interface dipole is found at the Co/BP interface. The SR-UPS results show that there is an inverted spin polarization near EF and the spin polarization is about positive 10%, which is attributed to the interface hybridization between Co and BP.
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