X-Ray Absorption Spectroscopic Study of New High-Tc Superconducting Intercalation Compound of (HgX2)0,5Bi2Sr2CaCu2Oy (X = Br, I) J.-H. Choy et S.-J. HwangJ. Phys. IV France, 7 C2 (1997) C2-1233-C2-1234DOI: https://doi.org/10.1051/jp4:19972209