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Orbitally resolved superconductivity in real space: FeSe
Fang Yang, Jasmin Jandke, Peter Adelmann +7
Multi-orbital superconductors combine unconventional pairing with complex band structures, where different orbitals in the bands contribute to a multitude of superconducting gaps.…
Nodal gaps in the nematic superconductor FeSe from heat capacity
Frédéric Hardy, Mingquan He, Liran Wang +8
Superconductivity in FeSe has recently attracted a great deal of attention because it emerges out of an electronic nematic state of elusive character. Here we study both the electr…
Thermoelectric anisotropy in Ba(Fe1-xCox)2As2 iron-based superconductor
Marcin Matusiak, Krzysztof Rogacki, Thomas Wolf
We report the in-plane anisotropy of the Seebeck and Nernst coefficients as well as of the electrical resistivity determined for the series of the strain-detwinned single crystals…
Large nematic susceptibility in the double-Q magnetic phase of BaNaFeAs
Liran Wang, Mingquan He, Frédéric Hardy +5
The nematic susceptibility of BaNaFeAs single crystals is studied by measuring the Young's modulus using a three-point-bending setup in a capacitance dila…
Pseudogap Behavior of the Nuclear Spin-lattice Relaxation Rate in FeSe Probed by Se-NMR
Anlu Shi, Takeshi Arai, Shunsaku Kitagawa +7
We conducted Se-nuclear magnetic resonance studies of the iron-based superconductor FeSe in magnetic fields of 0.6 to 19 T to investigate the superconducting and normal-stat…
On the phonon dispersion relation of single-crystalline --FeSe
Khalil Zakeri, Tobias Engelhardt, Thomas Wolf +1
We report on the phonon spectrum probed at the --FeSe(001) surface by means of high-resolution electron energy-loss spectroscopy (HREELS). Single crystals of --FeSe are cleav…