Published December 2010
| Version v1
Journal article
Cation effects in new superconductors Sr2-xBaxCuO3+δ
Creators
- 1. Institute of Physics, Chinese Academy of Sciences, Beijing (China)
- 2. Department of Physics, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033 (Japan)
Description
A series of new superconductors Sr2-xBaxCuO3+δ (x ≤ 0.6) were prepared under high pressure high temperature. The superconductors crystallize into K2NiF4-type structure of I4/mmm space group similar to the classical La2CuO4 but with partially occupied apical oxygen. It is found that Tc of this barium doped Sr2CuO3+δ superconductor is associated with the ratio of A-site cation substitution while keeping at optimal carrier doping level. The superconducting transition temperature with Tcmax=98 K which represents the record high Tc in the single-layer copper oxide superconductors was achieved in this material.
Availability note (English)
Available from http://dx.doi.org/10.1016/j.physc.2010.01.007Additional details
Identifiers
- DOI
- 10.1016/j.physc.2010.01.007;
- PII
- S0921-4534(10)00022-5;
Publishing Information
- Journal Title
- Physica. C, Superconductivity
- Journal Volume
- 470
- Journal Issue
- Suppl.1
- Journal Page Range
- p. S19-S20
- ISSN
- 0921-4534
- CODEN
- PHYCE6
Conference
- Title
- 9. international conference on materials and mechanisms of superconductivity
- Dates
- 7-12 Sep 2009
- Place
- Tokyo (Japan)
INIS
- Country of Publication
- Netherlands
- Country of Input or Organization
- International Atomic Energy Agency (IAEA)
- INIS RN
- 42068972
- Subject category
- S75: CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY;
- Resource subtype / Literary indicator
- Conference
- Descriptors DEI
- BARIUM COMPOUNDS; CARRIERS; COPPER OXIDES; CUPRATES; DOPED MATERIALS; LANTHANUM COMPOUNDS; LAYERS; OXYGEN; PRESSURE RANGE GIGA PA; SPACE GROUPS; STRONTIUM COMPOUNDS; SUPERCONDUCTORS; SYNTHESIS; TEMPERATURE RANGE 0065-0273 K; TETRAGONAL LATTICES; TRANSITION TEMPERATURE
- Descriptors DEC
- ALKALINE EARTH METAL COMPOUNDS; CHALCOGENIDES; COPPER COMPOUNDS; CRYSTAL LATTICES; CRYSTAL STRUCTURE; ELEMENTS; MATERIALS; NONMETALS; OXIDES; OXYGEN COMPOUNDS; PHYSICAL PROPERTIES; PRESSURE RANGE; RARE EARTH COMPOUNDS; SYMMETRY GROUPS; TEMPERATURE RANGE; THERMODYNAMIC PROPERTIES; TRANSITION ELEMENT COMPOUNDS
Optional Information
- Copyright
- Copyright (c) 2010 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved.