Abstract
The Hund's coupling rule is of fundamental importance in atomic physics. It also plays a key role in the determination of physical properties in strongly correlated electron systems where the Fermi energy lies in multiple bands. We report a thorough investigation of a rarely studied 4d perovskite oxide LaRuO3 by a suite of measurements including transport, magnetization, specific heat, thermoelectric power, thermal conductivity, and neutron and x-ray diffraction. Our results are consistent with theoretical predictions, which makes LaRuO3 an exemplary Hund metal.
| Original language | English |
|---|---|
| Article number | L081104 |
| Journal | Physical Review B |
| Volume | 106 |
| Issue number | 8 |
| DOIs | |
| State | Published - Aug 15 2022 |
Funding
This research was primarily supported by NSF MRSEC Grants No. DMR-1720595 and No. DMR-1949701. J.-S.Z. is grateful to John Goodenough for the encouragement and the long-term support. J.A.A. thanks the Spanish Ministry for Science and Innovation (MCIN/AEI/10.13039/501100011033) for granting the Project No. PID2021-122477OB-I00. M.A.M. acknowledges support from the US Department of Energy, Office of Science, Basic Energy Sciences, Materials Sciences and Engineering Division. A portion of this research used resources at the High Flux Isotope Reactor, which is a DOE Office of Science User Facility operated by Oak Ridge National Laboratory.