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 …

Complex oxides with 4 d and 5 d transition-metal ions recently emerged as a new paradigm
in correlated electron physics, due to the interplay between spin–orbit coupling and electron …

A key feature of quantum spin liquids is the predicted formation of fractionalized excitations.
They are expected to produce changes in the physical response, providing a way to observe …

We study the exchange interactions and resulting magnetic phases in the honeycomb
cobaltates. For a broad range of trigonal crystal fields acting on Co 2+ ions, the low-energy …

Quantum spin liquids are an exciting playground for exotic physical phenomena and
emergent many-body quantum states. The realization and discovery of quantum spin liquid …

In transition-metal compounds with partially filled 4 d and 5 d shells spin–orbit
entanglement, electronic correlations, and crystal-field effects conspire to give rise to a …

The magnetism of Kitaev materials has been widely studied, but their charge properties and
the coupling to other degrees of freedom are less known. Here we investigate the charge …

Finding new materials with antiferromagnetic (AFM) Kitaev interaction is an urgent issue for
quantum magnetism research. We conclude that Na 3 Co 2 SbO 6 and Na 2 Co 2 TeO 6 are …

We have investigated the sample dependence of the half-integer thermal Hall effect in α-
RuCl 3 under a magnetic field tilted 45∘ from the c axis to the a axis. We find that the sample …

Na 2 Co 2 TeO 6 is a proposed approximate Kitaev magnet, yet its actual magnetic
interactions are elusive due to a lack of knowledge on the full excitation spectrum. Here …