Volume 82, Number 5, June 2008
|Number of page(s)||2|
|Section||Condensed Matter: Electronic Structure, Electrical, Magnetic and Optical Properties|
|Published online||19 May 2008|
Superconductivity in the iron-based F-doped layered quaternary compound Nd[ OFx] FeAs
National Laboratory for Superconductivity, Institute of Physics and Beijing National Laboratory for Condensed Matter Physics, Chinese Academy of Sciences - P. O. Box 603, Beijing 100190, PRC
Accepted: 7 April 2008
Here we report a new quaternary iron-arsenide superconductor Nd[OFx] FeAs, with the onset resistivity transition at 51.9 K and Meissner transition at 51 K. This compound has the same crystal structure as LaOFeAs, and becomes the second superconductor after Pr[OFx] FeAs that superconducts above 50 K.
PACS: 74.10.+v – Occurrence, potential candidates / 74.70.Dd – Ternary, quaternary, and multinary compounds (including Chevrel phases, borocarbides, etc.)
© EPLA, 2008
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