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5 papers
Superconductivity and Crystal Structures of (Ba1-xKx)Fe2As2 (x = 0 - 1)
Marianne Rotter, Michael Pangerl, Marcus Tegel +1
We report on doping dependencies of structural parameters and superconducting transition temperatures in the solid solution (Ba1-xKx)Fe2As2. As the main effect of doping on the cry…
Inelastic neutron scattering and lattice dynamical calculations in BaFe2As2
R. Mittal, Y. Su, S. Rols +6
We report here first extensive measurements of the temperature dependence of phonon density of states of BaFe2As2, the parent compound of the newly discovered FeAs-based supercondu…
Materials with ZrCuSiAs Type Structure
Rainer Pottgen, Dirk Johrendt
The crystal chemistry and physical properties of materials with ZrCuSiAs type structure is reviewed.
Spin density wave anomaly at 140 K in the ternary iron arsenide BaFe2As2
Marianne Rotter, Marcus Tegel, Inga Schellenberg +3
The ternary iron arsenide BaFe2As2 with the tetragonal ThCr2Si2-type structure exhibits a spin density wave (SDW) anomaly at 140 K, very similar to LaFeAsO, the parent compound of…
Superconductivity at 38 K in the iron arsenide (Ba1-xKx)Fe2As2
Marianne Rotter, Marcus Tegel, Dirk Johrendt
The ternary iron arsenide BaFe2As2 becomes superconducting by hole doping, which was achieved by partial substitution of the barium site with potassium. We have discovered bulk sup…