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Improving quantum-transition temperatures in BaFe2As2-based crystals by removing local-lattice strain & electronic-structure disorder
L. Li, Q. Zheng, Q. Zou +9
Quantum materials such as antiferromagnets or superconductors are complex in that chemical, electronic, and spin phenomena at atomic scales can manifest in their collective propert…
Lattice Parameters Guide Superconductivity in Iron-Arsenides
Lance M. N. Konzen, Athena S. Sefat
The discovery of superconducting materials has led to their use in technological marvels such as magnetic-field sensors in MRI machines, powerful research magnets, short transmissi…
Non-rigid band shift and non-monotonic electronic structure changes upon doping in the normal state of the pnictide high temperature superconductor Ba2(Fe1-xCox)2As2
PPaolo Vilmercati, Sung-Kwan Mo, Alexei Fedorov +8
We report systematic Angle Resolved Photoemission (ARPES) experiments using different photon polarizations and experimental geometries and find that the doping evolution of the nor…
Deep data mining in a real space: Separation of intertwined electronic responses in a lightly-doped BaFe2As2
Maxim Ziatdinov, Artem Maksov, Li Li +3
Electronic interactions present in material compositions close to the superconducting dome play a key role in the manifestation of high-Tc superconductivity. In many correlated ele…
ARPES observation of Mn-pnictide hybridization and negligible band structure renormalization in BaMnAs and BaMnSb
W. -L. Zhang, P. Richard, A. van Roekeghem +14
We performed an angle-resolved photoemission spectroscopy study of BaMnAs and BaMnSb, which are isostructural to the parent compound BaFeAs of the 122 famil…
Evidences of Mott physics in iron pnictides from x-ray spectroscopy
S. Lafuerza, H. Gretarsson, F. Hardy +8
X-ray emission and absorption spectroscopies are jointly used as fast probes to determine the evolution as a function of doping of the fluctuating local magnetic moments in K- and…