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Heat capacity measurements on FeAs-based compounds: a thermodynamic probe of electronic and magnetic states
P. J. Baker, S. R. Giblin, F. L. Pratt +7
We report heat capacity measurements of the pnictide materials SmFeAsOF, NdFeAsO, LaFeAsOF and LiFeAs. For SmFeAsOF, with x close to 0.1, we use…
Scanning Tunneling Spectroscopy and Vortex Imaging in the Iron-Pnictide Superconductor BaFeCoAs
Yi Yin, M. Zech, T. L. Williams +4
We present an atomic resolution scanning tunneling spectroscopy study of superconducting BaFeCoAs single crystals in magnetic fields up to . At…
Correlation effects of exchange splitting and coexistence of spin-density-wave and superconductivity in single crystalline Sr1-xKxFe2As2
Y. Zhang, J. Wei, H. W. Ou +13
The nature of spin-density wave and its relation with superconductivity are crucial issues in the newly discovered Fe-based high temperature superconductors. Particularly it is unc…
Identification of Nodal Kink in Electron-Doped (NdCe)CuO Superconductor from Laser-Based Angle-Resolved Photoemission Spectroscopy
Haiyun Liu, Guodong Liu, Wentao Zhang +15
High-resolution laser-based angle-resolved photoemission measurements have been carried out on the electron-doped (NdCe)CuO high temperature superconductor. W…
Coexistence of the spin-density-wave and superconductivity in the (Ba,K)Fe2As2
H. Chen, Y. Ren, Y. Qiu +8
The relation between the spin-density-wave (SDW) and superconducting order is a central topic in current research on the FeAs-based high Tc superconductors. Conflicting results exi…
Coexistence of static magnetism and superconductivity in SmFeAsO1-xFx as revealed by muon spin rotation
A. J. Drew, Ch. Niedermayer, P. J. Baker +13
The recent observation of superconductivity with critical temperatures up to 55 K in the FeAs based pnictide compounds marks the first discovery of a non copper-oxide based layered…