Oxygen diffusion in high-{Tc} superconductors

Conference · Wed Jul 01 00:00:00 EDT 1992

OSTI ID:10171481

Rothman, S J; Routbort, J L

The cuprate superconductors are fascinating not only because of their technical promise, but also because of their structures, especially the anisotropy of the crystal lattice. There are some structural similarities among these compounds, but also significant differences. Measurements of the oxygen tracer diffusion coefficients have been carried out as a function of temperature, oxygen partial pressure, crystal orientation, and doping in the La-Sr-Cu-0, Y-Ba-Cu-0, and Bi-Sr-Ca-Cu-0 systems. These measurements have revealed a variety of defect mechanisms operating in these compounds; the exact nature of the mechanism depends on the details of the structure.

• Research Organization: Argonne National Lab., IL (United States)
• Sponsoring Organization: USDOE, Washington, DC (United States)
• DOE Contract Number: W-31109-ENG-38
• OSTI ID: 10171481
• Report Number(s): ANL/CP-76698; CONF-9209179-2; ON: DE92019597
• Resource Relation: Conference: 2. Iketani international conference on diffusion in materials (DIMAT-92),Kyoto (Japan),7-11 Sep 1992; Other Information: PBD: Jul 1992
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
OXYGEN
DIFFUSION
HIGH-TC SUPERCONDUCTORS
CRYSTAL STRUCTURE
CUPRATES
COPPER OXIDES
STRONTIUM OXIDES
LANTHANUM OXIDES
BARIUM OXIDES
YTTRIUM OXIDES
PARTIAL PRESSURE
BISMUTH OXIDES
360202
STRUCTURE AND PHASE STUDIES