Models and materials for generalized Kitaev magnetism

SM Winter, AA Tsirlin, M Daghofer… - Journal of Physics …, 2017 - iopscience.iop.org
The exactly solvable Kitaev model on the honeycomb lattice has recently received
enormous attention linked to the hope of achieving novel spin-liquid states with …

Spin-orbit physics giving rise to novel phases in correlated systems: Iridates and related materials

JG Rau, EKH Lee, HY Kee - Annual Review of Condensed …, 2016 - annualreviews.org
Recently, the effects of spin-orbit coupling (SOC) in correlated materials have become one
of the most actively studied subjects in condensed matter physics, as correlations and SOC …

Challenges in design of Kitaev materials: Magnetic interactions from competing energy scales

SM Winter, Y Li, HO Jeschke, R Valentí - Physical Review B, 2016 - APS
In this study, we reanalyze the magnetic interactions in the Kitaev spin-liquid candidate
materials Na 2 IrO 3, α-RuCl 3, and α-Li 2 IrO 3 using nonperturbative exact diagonalization …

Possible Kitaev Quantum Spin Liquid State in 2D Materials with

C Xu, J Feng, M Kawamura, Y Yamaji, Y Nahas… - Physical Review Letters, 2020 - APS
Quantum spin liquids (QSLs) form an extremely unusual magnetic state in which the spins
are highly correlated and fluctuate coherently down to the lowest temperatures, but without …

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 …

Cu2IrO3: A New Magnetically Frustrated Honeycomb Iridate

M Abramchuk, C Ozsoy-Keskinbora… - Journal of the …, 2017 - ACS Publications
We present the first copper iridium binary metal oxide with the chemical formula Cu2IrO3.
The material is synthesized from the parent compound Na2IrO3 by a topotactic reaction …

Spin Hamiltonians in magnets: Theories and computations

X Li, H Yu, F Lou, J Feng, MH Whangbo, H Xiang - Molecules, 2021 - mdpi.com
The effective spin Hamiltonian method has drawn considerable attention for its power to
explain and predict magnetic properties in various intriguing materials. In this review, we …

: A cubic double perovskite material with ions

T Dey, A Maljuk, DV Efremov, O Kataeva, S Gass… - Physical Review B, 2016 - APS
Materials with a 5 d 4 electronic configuration are generally considered to have a
nonmagnetic ground state (J= 0). Interestingly, Sr 2 YIrO 6 (Ir 5+ having 5 d 4 electronic …

Clues and criteria for designing a Kitaev spin liquid revealed by thermal and spin excitations of the honeycomb iridate

Y Yamaji, T Suzuki, T Yamada, S Suga, N Kawashima… - Physical Review B, 2016 - APS
Contrary to the original expectation, Na 2 IrO 3 is not a Kitaev's quantum spin liquid (QSL)
but shows a zigzag-type antiferromagnetic order in experiments. Here, we propose …

Unveiling the S= 3/2 Kitaev honeycomb spin liquids

HK Jin, WMH Natori, F Pollmann, J Knolle - Nature communications, 2022 - nature.com
Abstract The S= 3/2 Kitaev honeycomb model (KHM) is a quantum spin liquid (QSL) state
coupled to a static Z2 gauge field. Employing an SO (6) Majorana representation of …