Hexagonal boron nitride (h‐BN) is a layered inorganic synthetic crystal exhibiting high
temperature stability and high thermal conductivity. As a ceramic material it has been widely …

This Review highlights basic and transition metal conducting and semiconducting oxides.
We discuss their material and electronic properties with an emphasis on the crystal …

Detection and recognition of latent fingerprints play crucial roles in identification and
security. However, the separation of sensor, memory, and processor in conventional ex-situ …

Recent progress in nanophotonics and material science has inspired a strong interest in
optically-induced material dynamics, opening new research directions in the distinct fields of …

Photonic crystals (PhCs) are a kind of artificial structures that can mold the flow of light at
will. Polaritonic crystals (PoCs) made from polaritonic media offer a promising route to …

Polaritons, originating from the interactions between photons and material excitations, have
attracted attention because of their strong field compression and deeply subdiffractional …

Various optical crystals possess permittivity components of opposite signs along different
principal directions in the mid-infrared regime, exhibiting exotic anisotropic phonon …

Polariton pulses—transient light-matter hybrid excitations—traveling through anisotropic
media can lead to unusual optical phenomena in space and time. However, studying these …

Polaritons are a hybrid class of quasiparticles originating from the strong and resonant
coupling between light and matter excitations. Recent years have witnessed a surge of …

The emergence of a topological transition of the polaritonic dispersion in twisted bilayers of
anisotropic van der Waals materials at a given twist angle—the photonic magic angle …