ISSN print edition: 0366-6352 ISSN electronic edition: 1336-9075 Registr. No.: MK SR 9/7 Published monthly

Interatomic Distances in Barium- and Copper-Based Superconductors

X. Oudet

Laboratoire de Magnetisme et d'Optique de ľUniversité de Versailles, Bätiment Fermat, С.N.R.S. 45 Avenue des Etats-Unis, 78035 Versailles Cedex, France

Abstract: Comparing metal—oxygen and metal—metal distances in Ba- and Cu-based superconductors, the Ba—Cu distance appears very stable, which indicates direct barium—copper bond. This result appears as a new indication that'ionic compounds must be described with neutral atoms. Consequently a building process for several high-critical temperature (Tc ) superconductors has been proposed.

Chemical Papers 51 (6A) 304–309 (1997)