Spin-Orbit Coupling Controlled Electronic Ground State in Oxides
Journal Article
·
· Physical Review Letters
Entanglement of spin and orbital degrees of freedom drives the formation of novel quantum and topological physical states. Here we report resonant inelastic x-ray scattering measurements of the transition metal oxides Ca3LiOsO6 and Ba2YOsO6, which reveals a dramatic spitting of the t2g manifold. We invoke an intermediate coupling approach that incorporates both spin-orbit coupling and electron-electron interactions on an even footing and reveal that the ground state of 5d3-based compounds, which has remained elusive in previously applied models, is a novel spin-orbit entangled J=3/2 electronic ground state. This work reveals the hidden diversity of spin-orbit controlled ground states in 5d systems and introduces a new arena in the search for spin-orbit controlled phases of matter.
- Research Organization:
- Argonne National Laboratory (ANL)
- Sponsoring Organization:
- USDOE Office of Science - Office of Basic Energy Sciences; National Science Foundation (NSF) - Directorate for Engineering - Center for Emergent Materials (CEM); Japan Society for the Promotion of Science (JSPS)
- DOE Contract Number:
- AC02-06CH11357
- OSTI ID:
- 1389049
- Journal Information:
- Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 20 Vol. 118; ISSN 0031-9007; ISSN PRLTAO
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
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