Vanadium valency and hybridization in V-doped hafnia investigated by electron energy loss spectroscopyA. Gloter, V. Serin, Ch. Turquat, C. Cesari, Ch. Leroux and G. NihoulEur. Phys. J. B, 22 2 (2001) 179-186DOI: https://doi.org/10.1007/PL00011142