Magnetism in two-dimensional (2D) van der Waals (vdW) materials has recently emerged as
one of the most promising areas in condensed matter research, with many exciting emerging …

Two-dimensional (2D) materials exhibit a wide range of atomic structures, compositions, and
associated versatility of properties. Furthermore, for a given composition, a variety of …

Topological phonons and magnons potentially enable low-loss, quantum coherent, and
chiral transport of information and energy at the atomic scale. Van der Waals magnetic …

The search for topological spin excitations in recently discovered two-dimensional (2D) van
der Waals (vdW) magnetic materials is important because of their potential applications in …

Moiré magnetism is emerging as a platform to design and control exotic magnetic phases in
twisted magnetic two-dimensional crystals. Non-collinear spin texture emerging from twisted …

Two-dimensional (2D) van der Waals (vdW) magnets have been a fertile playground for the
discovery and exploration of physical phenomena and new physics. In this Letter, we report …

Condensed matter systems admit topological collective excitations above a trivial ground
state, an example being Chern insulators formed by Dirac bosons with a gap at finite …

Topological magnons are bosonic analogues of topological fermions in electronic systems.
They have been studied extensively by theory but rarely realized by experiment. Here, by …

Hybrid organic–inorganic perovskites (HOIPs) afford highly versatile structure design and
lattice dimensionalities; thus, they are actively researched as material platforms for the …

Ferromagnetism in two-dimensional CrI 3 has generated a lot of excitement, and it was
recently proposed that the spin-orbit coupling (SOC) in iodine may generate bond …