Beyond Kitaev physics in strong spin-orbit coupled magnets

I Rousochatzakis, NB Perkins, Q Luo… - Reports on Progress in …, 2024 - iopscience.iop.org
We review the recent advances and current challenges in the field of strong spin-orbit
coupled Kitaev materials, with a particular emphasis on the physics beyond the exactly …

Bond-dependent anisotropy and magnon decay in cobalt-based Kitaev triangular antiferromagnet

C Kim, S Kim, P Park, T Kim, J Jeong… - Nature Physics, 2023 - nature.com
The Kitaev model, a honeycomb network of spins with bond-dependent anisotropic
interactions, is a rare example of a system with a quantum spin liquid ground state. Although …

Soft-Chemical Synthesis, Structure Evolution, and Insulator-to-Metal Transition in Pyrochlore-like λ-RhO2

JR Chamorro, JL Zuo, EN Bassey… - Chemistry of …, 2024 - ACS Publications
λ-RhO2, a prototype 4d transition metal oxide, has been prepared by the oxidative
delithiation of spinel LiRh2O4 using ceric ammonium nitrate. Average-structure studies of …

Compass-model physics on the hyperhoneycomb lattice in the extreme spin-orbit regime

R Okuma, K MacFarquharson, RD Johnson… - Nature …, 2024 - nature.com
The physics of spin-orbit entangled magnetic moments of 4d and 5d transition metal ions on
a honeycomb lattice has been much explored in the search for unconventional magnetic …

Ground-State Phase Diagram of the Kitaev–Heisenberg Model on a Three-dimensional Hyperhoneycomb Lattice

K Fukui, Y Kato, Y Motome - Journal of the Physical Society of Japan, 2023 - journals.jps.jp
The Kitaev model, which hosts a quantum spin liquid (QSL) in the ground state, was
originally defined on a two-dimensional (2D) honeycomb lattice, but can be straightforwardly …

Phonon dynamics in the generalized Kitaev spin liquid

S Singh, PP Stavropoulos, NB Perkins - Physical Review B, 2023 - APS
Candidate materials for the Kitaev spin liquid generically have residual interactions beyond
the Kitaev coupling. It therefore becomes necessary to understand how signatures of the …

Signatures of fractionalization in the optical phonons of the hyperhoneycomb Kitaev magnet

S Swarup, S Singh, NB Perkins - Physical Review B, 2024 - APS
In this study, we propose that the signatures of spin fractionalization in quantum magnets
can be identified through a detailed analysis of the temperature dependence of the …

Soft-Chemical Synthesis, Structure Evolution, and Insulator-to-Metal Transition in a Prototypical Metal Oxide, {\lambda}-RhO

JR Chamorro, JL Zuo, EN Bassey, AK Watkins… - arxiv preprint arxiv …, 2023 - arxiv.org
${\lambda} $-RhO $ _2 $, a prototype 4d transition metal oxide, has been prepared by
oxidative delithiation of spinel LiRh $ _2 $ O $ _4 $ using ceric ammonium nitrate. Average …

Continuum of magnetic excitations in the Kitaev honeycomb iridate DLiIrO

T Halloran, Y Wang, KW Plumb, MB Stone… - arxiv preprint arxiv …, 2024 - arxiv.org
Inelastic neutron scattering (INS) measurements of powder D $ _3 (^{7} $ Li)($^{193} $ Ir) $
_2 $ O $ _6 $ reveal low energy magnetic excitations with a scattering cross section that is …

[PDF][PDF] Geometrical and Kitaev Frustration in Spin-Orbit Coupled Magnets

TJ Halloran - 2023 - jscholarship.library.jhu.edu
In materials with significant interactions between magnetic spins, the reduction of
temperature below the scale of the magnetic interaction of the spins $ J\approx k_BT …