Evidence for a Lifshitz transition in electron-doped iron arsenic superconductors at the onset of superconductivity

The iron arsenic high-temperature superconductors exhibit particularly rich phase diagrams. In the AE(Fe1−xTx)2As2 family (known as '122', with AE being Ca, Sr or Ba and T being a transition metal), the simultaneous structural/magnetic phase transition that occurs at elevated temperature i...

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Veröffentlicht in:	Nature physics 2010-06, Vol.6 (6), p.419-423
Hauptverfasser:	Kaminski, Adam, Liu, Chang, Kondo, Takeshi, Fernandes, Rafael M, Palczewski, Ari D, Mun, Eun Deok, Ni, Ni, Thaler, Alexander N, Bostwick, Aaron, Rotenberg, Eli, Schmalian, Jörg, Bud'ko, Sergey L, Canfield, Paul C
Format:	Artikel
Sprache:	eng
Schlagworte:	ARSENIC Atomic Atomic force microscopy Classical and Continuum Physics COBALT Complex Systems Condensed Matter Physics CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY Doping ELECTRONIC STRUCTURE Electrons FERMI LEVEL Fermi surfaces High temperature IRON letter MAGNETISM Mathematical and Computational Physics Molecular Optical and Plasma Physics PHASE DIAGRAMS PHOTOEMISSION Physics Physics and Astronomy Pocket SPECTROSCOPY Spectrum analysis SUPERCONDUCTIVITY SUPERCONDUCTORS Theoretical
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