ORIGIN OF ORDERING OSCILLATION OF LOCAL COMPOSITION IN MELT-PROCESSED REBa₂Cu₃O_7-δ SUPERCONDUCTORS (RE: Sm, Eu, Gd)

Superconductivity Research Laboratory, International Superconductivity Technology Center, 1-10-13 Shinonome, Koto-ku, Tokyo 135-0062, Japan

Superconductivity Research Laboratory, International Superconductivity Technology Center, 1-10-13 Shinonome, Koto-ku, Tokyo 135-0062, Japan

Experimentalphysics, Building 22, Universitaet des Saarlandes, P.O.Box 15 11 50, D-66041 Saarbruecken, Germany

Experimentalphysics, Building 22, Universitaet des Saarlandes, P.O.Box 15 11 50, D-66041 Saarbruecken, Germany

Centre for Built Environment and Engineering Research Queensland University of Technology, GPO Box 2434, Brisbane, QLD 400, Australia