COMPARISON STUDY OF THE ELECTRONIC-STRUCTURE OF HIGH-T-C SUPERCONDUCTORS

Transition metal oxides (TMOS), which include the high-T-c superconduc tors (HTSC), are materials with electronic structures which are diffic ult to calculate because of the narrow d-bands of the transition metal elements and the strong electronic correlation among those n-electron s. For a fullwnderstanding of the electronic structure of HTSC materia ls two kinds of approaches, LDA and HF, are carried out for the typica l parent material of the HTSCs, SrCuO2. (C) 1995 John Wiley & Sons, In c.