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- Argonne National LaboratoryUS419 papers
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13 papers · 2 filters
Spin-orbit coupling controlled electronic ground state in 5 oxides
A. E. Taylor, S. Calder, R. Morrow +6
Entanglement of spin and orbital degrees of freedom drives the formation of novel quantum and topological physical states. Discovering new spin-orbit entangled ground states and em…
Strongly Gapped Spin-Wave Excitation in the Insulating Phase of NaOsO3
S. Calder, J. G. Vale, N. Bogdanov +13
NaOsO3 hosts a rare manifestation of a metal-insulator transition driven by magnetic correlations, placing the magnetic exchange interactions in a central role. We use resonant ine…
Pressure-Induced Confined Metal from the Mott Insulator Sr3Ir2O7
Yang Ding, Liuxiang Yang, Cheng-Chien Chen +12
The spin-orbit Mott insulator Sr3Ir2O7 provides a fascinating playground to explore insulator-metal transition driven by intertwined charge, spin, and lattice degrees of freedom. H…
Ultrafast energy and momentum resolved dynamics of magnetic correlations in photo-doped Mott insulator SrIrO
M. P. M. Dean, Yue Cao, X. Liu +32
Measuring how the magnetic correlations throughout the Brillouin zone evolve in a Mott insulator as charges are introduced dramatically improved our understanding of the pseudogap,…
Orbital Dimer Model for Spin-Glass State in YMoO
Peter M. M. Thygesen, Joseph A. M. Paddison, Ronghuan Zhang +7
The formation of a spin glass usually requires both structural disorder and frustrated magnetic interactions. Consequently, the origin of spin-glass behaviour in YMoO $…
Persistent paramagnons deep in the metallic phase of SrLaIrO
H. Gretarsson, N. H. Sung, J. Porras +13
We have studied the magnetic excitations of electron-doped SrLaIrO () using resonant inelastic x-ray scattering (RIXS) at the Ir L-edge. The…