Journal
MATERIALS RESEARCH INNOVATIONS
Volume 12, Issue 3, Pages 105-106Publisher
MANEY PUBLISHING
DOI: 10.1179/143307508X333686
Keywords
Discovery; High Tc; New superconductor; Iron arsenide; High pressure synthesis
Categories
Funding
- Natural Science Foundation of China (NSFC) [50571111, 10734120]
- 973 program of China [2006CB601001, 2007CB925002]
- EC
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Here the authors report that by a high pressure synthesis method, superconductivity with an onset transition temperature at 52 K was discovered in a fluorine-doped quaternary iron-arsenide compound Pr[O1-xFx] FeAs, with the zero resistivity and Meissner transition appeared at 44 K and 50 K respectively. As the first non-cuprate compound that superconducts above 50 K, this discovery places these iron arsenide compounds to the second high temperature superconducting family explicitly.
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