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Anisotropy of incommensurate magnetic excitations in slightly overdoped BaKFeAs probed by polarized inelastic neutron scattering experiments
N. Qureshi, C. H. Lee, K. Kihou +3
Polarized neutron scattering experiments on the slightly overdoped superconductor BaKFeAs reveal broad magnetic resonance scattering peaking at approximatel…
Magnetic form factor analysis on detwinned single crystal of BaFeAs
K. Kodama, M. Ishikado, S. Wakimoto +5
We have performed neutron diffraction measurement on a single crystal of parent compound of iron-based superconductor, BaFeAs at 12~K. In order to investigate in-plane anis…
Vortex lattice structure in BaFe2(As0.67P0.33)2 by the small-angle neutron scattering technique
R. Morisaki-Ishii, H. Kawano-Furukawa, A. S. Cameron +16
We have observed a magnetic vortex lattice (VL) in BaFe2(As_{0.67}P_{0.33})2 (BFAP) single crystals by small-angle neutron scattering (SANS). With the field along the c-axis, a nea…
Evidence of a universal relation between electron-mode coupling and Tc in Ba1-xKxFe2As2 superconductor from Laser ARPES
W. Malaeb, T. Shimojima, Y. Ishida +15
We performed a Laser angle-resolved photoemission spectroscopy (ARPES) study on a wide doping range of Ba1-xKxFe2As2 (BaK) iron-based superconductor. We observed a robust low-bindi…
Identifying the `Fingerprint' of Antiferromagnetic Spin-Fluctuations on Iron-Pnictide Superconductivity
Milan P. Allan, Kyungmin Lee, Andreas W. Rost +9
Cooper pairing in the iron-based high-Tc superconductors is often conjectured to involve bosonic fluctuations. Among the candidates are antiferromagnetic spin-fluctuations and d-or…
Electronic structure of BaNiP observed by angle-resolved photoemission spectroscopy
S. Ideta, T. Yoshida, M. Nakajima +16
We have performed an angle-resolved photoemission spectroscopy (ARPES) study of BaNiP which shows a superconducting transition at 2.5 K. We observed hole and e…