Twisted Hubbard Model for : Magnetism and Possible High Temperature Superconductivity

F Wang, T Senthil - Physical Review Letters, 2011 - APS
Sr 2 IrO 4 has been suggested as a Mott insulator from a single J eff= 1/2 band, similar to the
cuprates. However, this picture is complicated by the measured large magnetic anisotropy …

Direct evidence of a zigzag spin-chain structure in the honeycomb lattice: A neutron and x-ray diffraction investigation of single-crystal NaIrO

F Ye, S Chi, H Cao, BC Chakoumakos… - Physical Review B …, 2012 - APS
We have combined single-crystal neutron and x-ray diffractions to investigate the magnetic
and crystal structures of the honeycomb lattice Na 2 IrO 3. The system orders magnetically …

The challenge of spin–orbit-tuned ground states in iridates: a key issues review

G Cao, P Schlottmann - Reports on Progress in Physics, 2018 - iopscience.iop.org
Abstract Effects of spin–orbit interactions in condensed matter are an important and rapidly
evolving topic. Strong competition between spin–orbit, on-site Coulomb and crystalline …

Evidence of an odd-parity hidden order in a spin–orbit coupled correlated iridate

L Zhao, DH Torchinsky, H Chu, V Ivanov, R Lifshitz… - Nature Physics, 2016 - nature.com
A rare combination of strong spin–orbit coupling and electron–electron correlations makes
the iridate Mott insulator Sr2IrO4 a promising host for novel electronic phases of matter,. The …

The Jeff = 1/2 Antiferromagnet Sr2IrO4: A Golden Avenue toward New Physics and Functions

C Lu, JM Liu - Advanced Materials, 2020 - Wiley Online Library
Iridates have been providing a fertile ground for studying emergent phases of matter that
arise from the delicate interplay of various fundamental interactions with approximate energy …

Spin-orbit coupling in iridium-based 5 compounds probed by x-ray absorption spectroscopy

JP Clancy, N Chen, CY Kim, WF Chen, KW Plumb… - Physical Review B …, 2012 - APS
We have performed x-ray absorption spectroscopy (XAS) measurements on a series of Ir-
based 5 d transition metal compounds, including Ir, IrCl 3, IrO 2, Na 2 IrO 3, Sr 2 IrO 4, and Y …

Ab initio Studies on the Interplay between Spin-Orbit Interaction <?format ?>and Coulomb Correlation in and

R Arita, J Kuneš, AV Kozhevnikov, AG Eguiluz… - Physical review …, 2012 - APS
Ab initio analyses of A 2 IrO 4 (A= Sr, Ba) are presented. Effective Hubbard-type models for Ir
5 dt 2 g manifolds downfolded from the global band structure are solved based on the …

Magnetic and crystal structures of : A neutron diffraction study

F Ye, S Chi, BC Chakoumakos… - Physical Review B …, 2013 - APS
We report a single-crystal neutron diffraction study of the layered Sr 2 IrO 4. This work
unambiguously determines the magnetic structure of the system and reveals that the spin …

Novel Magnetism of Ions in the Double Perovskite

G Cao, TF Qi, L Li, J Terzic, SJ Yuan, LE DeLong… - Physical review …, 2014 - APS
We synthesize and study single crystals of a new double-perovskite Sr 2 YIrO 6. Despite two
strongly unfavorable conditions for magnetic order, namely, pentavalent Ir 5+(5 d 4) ions …

Lattice-driven magnetoresistivity and metal-insulator transition in single-layered iridates

M Ge, TF Qi, OB Korneta, DE De Long… - Physical Review B …, 2011 - APS
Sr 2 IrO 4 exhibits an insulating state driven by spin-orbit interactions. We report two
phenomena, namely, a large magnetoresistivity in Sr 2 IrO 4 that is extremely sensitive to the …