Chin. Phys. Lett.  2008, Vol. 25 Issue (6): 2215-2216    DOI:
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Superconductivity at 55K in Iron-Based F-Doped Layered Quaternary Compound Sm[O1-xFx]FeAs
REN Zhi-An;LU Wei;YANG Jie;YI Wei;SHEN Xiao-Li;LI Zheng-Cai;CHE Guang-Can;DONG Xiao-Li;SUN Li-Ling;ZHOU Fang;ZHAO Zhong-Xian
National Laboratory for Superconductivity, Institute of Physics and Beijing National Laboratory for Condensed Matter Physics, Chinese Academy of Sciences, PO Box 603, Beijing 100190
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Abstract We report the superconductivity in iron-based oxyarsenide Sm[O1-xFx]FeAs, with the onset resistivity transition temperature at 55.0K and Meissner transition at 54.6K. This compound has the same crystal structure as LaOFeAs with shrunk crystal lattices, and becomes the superconductor with the highest critical temperature among all materials besides copper oxides up to now.
Keywords: 74.10.+v      74.70.-b     
Received: 24 April 2008      Published: 31 May 2008
PACS:  74.10.+v (Occurrence, potential candidates)  
  74.70.-b (Superconducting materials other than cuprates)  
Cite this article:   
REN Zhi-An, LU Wei, YANG Jie et al  2008 Chin. Phys. Lett. 25 2215-2216
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http://cpl.iphy.ac.cn/       OR      http://cpl.iphy.ac.cn/Y2008/V25/I6/02215
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Articles by authors
REN Zhi-An
LU Wei
YANG Jie
YI Wei
SHEN Xiao-Li
LI Zheng-Cai
CHE Guang-Can
DONG Xiao-Li
SUN Li-Ling
ZHOU Fang
ZHAO Zhong-Xian
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