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Unconventional crystal structure of the high-pressure superconductor LaNiO
Pascal Puphal, Pascal Reiss, Niklas Enderlein +14
The discovery of high-temperature superconductivity in LaNiO at pressures above 14 GPa has spurred extensive research efforts. Yet, fundamental aspects of the supercond…
Discovery of Superconductivity and Electron-Phonon Drag in the Non-Centrosymmetric Weyl Semimetal LaRhGe
Mohamed Oudah, Hsiang-Hsi Kung, Samikshya Sahu +11
We present an exploration of the effect of electron-phonon coupling and broken inversion symmetry on the electronic and thermal properties of the semimetal LaRhGe. Our transpor…
Plasmon dispersion in bilayer cuprate superconductors
M. Bejas, V. Zimmermann, D. Betto +11
The essential building blocks of cuprate superconductors are two-dimensional CuO sheets interspersed with charge reservoir layers. In bilayer cuprates, two closely spaced CuO$_…
Ultrafast Raman thermometry in driven YBaCuO
T. -H. Chou, M. Först, M. Fechner +8
Signatures of photo-induced superconductivity have been reported in cuprate materials subjected to a coherent phonon drive. A 'cold' superfluid was extracted from the transient Ter…
Rich Magnetic Phase Diagram of Putative Helimagnet SrFeO
Nikita D. Andriushin, Justus Grumbach, Jung-Hwa Kim +14
The cubic perovskite SrFeO was recently reported to host hedgehog- and skyrmion-lattice phases in a highly symmetric crystal structure which does not support the Dzyaloshinskii…
Spin-orbit excitons in a correlated metal: Raman scattering study of Sr2RhO4
Lichen Wang, Huimei Liu, Valentin Zimmermann +6
Using Raman spectroscopy to study the correlated 4-electron metal SrRhO, we observe pronounced excitations at 220 meV and 240 meV with and $B_\mathrm{1g}…