Terahertz electrodynamics in transition metal oxides

KS Kumar, GL Prajapati, R Dagar… - Advanced Optical …, 2020 - Wiley Online Library
Transition metal oxides (TMOs) are among the most contemporary topics in condensed
matter research. For over the past three decades, the most astounding discoveries of high …

[HTML][HTML] Synthesis science of SrRuO3 and CaRuO3 epitaxial films with high residual resistivity ratios

HP Nair, Y Liu, JP Ruf, NJ Schreiber, SL Shang… - APL Materials, 2018 - pubs.aip.org
Epitaxial SrRuO 3 and CaRuO 3 films were grown under an excess flux of elemental
ruthenium in an adsorption-controlled regime by molecular-beam epitaxy (MBE), where the …

Quasiparticle characteristics of the weakly ferromagnetic Hund metal MnSi

Y Fang, H Zhang, D Wang, G Yang, Y Wu, P Li, Z Xiao… - Physical Review B, 2022 - APS
Hund metals are multiorbital systems with 3 d or 4 d electrons exhibiting both an itinerant
character and local moments, and they feature Kondo-like screenings of local orbital and …

Generation of out-of-plane polarized spin current by non-uniform oxygen octahedral tilt/rotation

F Han, J Zhang, F Yang, B Li, Y He, G Li… - Nature …, 2024 - nature.com
The free-field switching of the perpendicular magnetization by the out-of-plane polarized
spin current induced spin-orbit torque makes it a promising technology for developing high …

: A High-Kondo-Temperature Transition-Metal Oxide

D Takegami, CY Kuo, K Kasebayashi, JG Kim… - Physical Review X, 2022 - APS
We present a comprehensive study of CaCu 3 Ru 4 O 12 using bulk sensitive hard and soft x-
ray spectroscopy combined with local-density approximation+ dynamical mean-field theory …

Hall coefficient signals orbital differentiation in the Hund's metal Sr2RuO4

M Zingl, J Mravlje, M Aichhorn, O Parcollet… - npj Quantum …, 2019 - nature.com
The Hall coefficient RH of Sr2RuO4 exhibits a non-monotonic temperature dependence with
two sign reversals. We show that this puzzling behavior is the signature of two crossovers …

Development of in situ characterization techniques in molecular beam epitaxy

C Shen, W Zhan, M Li, Z Sun, J Tang… - Journal of …, 2024 - iopscience.iop.org
Ex situ characterization techniques in molecular beam epitaxy (MBE) have inherent
limitations, such as being prone to sample contamination and unstable surfaces during …

Orbital-selective metal skin induced by alkali-metal-dosing Mott-insulating Ca2RuO4

M Horio, F Forte, D Sutter, M Kim, CG Fatuzzo… - Communications …, 2023 - nature.com
Doped Mott insulators are the starting point for interesting physics such as high temperature
superconductivity and quantum spin liquids. For multi-band Mott insulators, orbital selective …

Strong Terahertz Third-Harmonic Generation by Kinetic Heavy Quasiparticles in

C Reinhoffer, S Esser, S Esser, EA Mashkovich… - Physical Review Letters, 2024 - APS
We report on time-resolved nonlinear terahertz spectroscopy of a strongly correlated
ruthenate, CaRuO 3, as a function of temperature, frequency, and terahertz field strength …

Fermion Condensation, T-Linear Resistivity, and Planckian Limit

VR Shaginyan, MY Amusia, AZ Msezane… - JETP Letters, 2019 - Springer
We explain recent challenging experimental observations of universal scattering rate related
to the linear-temperature resistivity exhibited by a large corps of both strongly correlated …