新型FeSe(1-x)超导体的晶体结构
Crystal structure of the new FeSe(1-x) superconductor.
作者信息
Margadonna Serena, Takabayashi Yasuhiro, McDonald Martin T, Kasperkiewicz Karolina, Mizuguchi Yoshikazu, Takano Yoshihiko, Fitch Andrew N, Suard Emmanuelle, Prassides Kosmas
机构信息
School of Chemistry, University of Edinburgh, Edinburgh, UKEH9 3JJ.
出版信息
Chem Commun (Camb). 2008 Nov 21(43):5607-9. doi: 10.1039/b813076k. Epub 2008 Sep 26.
The newly discovered superconductor FeSe(1-x) (x approximately 0.08, T(c)(onset) approximately 13.5 K at ambient pressure rising to 27 K at 1.48 GPa) exhibits a structural phase transition from tetragonal to orthorhombic below 70 K at ambient pressure-the crystal structure in the superconducting state shows remarkable similarities to that of the REFeAsO(1-x)F(x) (RE = rare earth) superconductors.
新发现的超导体FeSe(1-x)（x约为0.08，常压下Tc(起始)约为13.5 K，在1.48 GPa时升至27 K）在常压下于70 K以下呈现从四方相到正交相的结构相变——超导态下的晶体结构与REFeAsO(1-x)F(x)（RE = 稀土）超导体的晶体结构有显著相似性。
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