Excess oxygen defects in layered cuprates
Description/Abstract
Neutron powder diffraction has been used to study the oxygen defect chemistry of two non-superconducting layered cuprates, La{sub 1. 25}Dy{sub 0.75}Cu{sub 3.75}F{sub 0.5}, having a T{sup {asterisk}}- related structure, and La{sub 1.85}Sr{sub 1.15}Cu{sub 2}O{sub 6.25}, having a structure related to that of the newly discovered double-layer superconductor La{sub 2-x}Sr{sub x}CaCu{sub 2}O{sub 6}. The role played by oxygen defects in determining the superconducting properties of layered cuprates is discussed. 16 refs., 2 figs.
| Creator/Author: | Lightfoot, P. ; Pei, S.Y. ; Jorgensen, J.D. (Argonne National Lab., IL (USA)) ; Manthiram, A. ; Tang, X.X. ; Goodenough, J.B. (Texas Univ., Austin, TX (USA). Materials Science Lab.) |
|---|---|
| Publication Date: | 1990 Sep 01 |
| OSTI Identifier: | OSTI ID: 6614880; Legacy ID: DE90017669 |
| Report Number(s): | CONF-900813-1 |
| DOE Contract Number: | W-31109-ENG-38 |
| Other Number(s): | Other: ON: DE90017669; CNN: STC-88-09854 |
| Resource Type: | Conference |
| Specific Type: | Technical Report |
| Resource Relation: | Conference: International conference on the chemistry of electronic ceramic materials, Grand Teton National Park, WY (USA), 16-21 Aug 1990 |
| Research Org: | Argonne National Lab., IL (USA) |
| Sponsoring Org: | DOE/ER |
| Subject: | 36 MATERIALS SCIENCE; COPPER OXIDES; CRYSTAL DEFECTS; DYSPROSIUM OXIDES; LANTHANUM OXIDES; STRONTIUM OXIDES; CRYSTAL STRUCTURE; FLUORINE COMPOUNDS; HIGH-TC SUPERCONDUCTORS; NEUTRON DIFFRACTION; PARTIAL PRESSURE; ALKALINE EARTH METAL COMPOUNDS; CHALCOGENIDES; COHERENT SCATTERING; COPPER COMPOUNDS; DIFFRACTION; DYSPROSIUM COMPOUNDS; HALOGEN COMPOUNDS; LANTHANUM COMPOUNDS; OXIDES; OXYGEN COMPOUNDS; RARE EARTH COMPOUNDS; SCATTERING; STRONTIUM COMPOUNDS; SUPERCONDUCTORS; TRANSITION ELEMENT COMPOUNDS |
| Country of Publication: | United States |
| Language: | English |
| Format: | Size: Pages: (8 p) |
| Availability: | NTIS, PC A02/MF A01; OSTI; INIS; GPO Dep. To purchase this media from NTIS, click here |
| Update Date: | 2008 Sep 02 |
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