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30 papers
Optical conductivity signatures of strong correlations and multiband superconductivity in infinite-layer nickelates
Woo Jin Kim, Kyuho Lee, Eun Kyo Ko +6
Since the discovery of superconductivity in infinite-layer nickelates, there have been extensive efforts to unravel their electronic structure and pairing mechanism. In particular,…
Interaction of in-plane Drude carrier with c-axis phonon in
Dongmin Seo, Gihyeon Ahn, Gaurab Rimal +6
We performed polarized reflection and transmission measurements on the layered conducting oxide thin films. For the ab-plane, an optical peak near 750 c…
Optical transitions of a single nodal ring in SrAs: radially and axially resolved characterization
Jiwon Jeon, Jiho Jang, Hoil Kim +7
SrAs is a unique nodal-line semimetal that contains only a single nodal ring in the Brillouin zone, uninterrupted by any trivial bands near the Fermi energy. We performed axis-…
Observation of Kondo condensation in a degenerately doped silicon metal
H. Im, D. U. Lee, Y. Jo +10
When a magnetic moment is embedded in a metal, it captures itinerant electrons to form the Kondo cloud1,2, which can spread out over a few micrometres3,4. For a metal with dense ma…
Magneto-Elastic Coupling to Coherent Acoustic Phonon Modes in Ferrimagnetic Insulator GdTiO
D. J. Lovinger, E. Zoghlin, P. Kissin +8
In this work we investigate single crystal GdTiO, a promising candidate material for Floquet engineering and magnetic control, using ultrafast optical pump-probe reflectivity…
SrIrOF: Topochemical conversion of a relativistic Mott state into a spin-orbit driven band insulator
Christi Peterson, Michael W. Swift, Zach Porter +9
The topochemical transformation of single crystals of SrIrO into SrIrOF is reported via fluorine insertion. Characterization of the newly formed SrI…