Surface core level spectroscopy of the Pt25Co75 (110) and (100) alloy surfaces J. Thiele, C. Guillot, N.T. Barrett, R. Belkhou, P. Dolle et R. Baudoing-Savois J. Phys. IV France, 04 C9 (1994) C9-135-C9-139 DOI: 10.1051/jp4:1994920