While transition‐metal oxides such as α‐MoO3 provide high capacity, their use is limited by
modest electronic conductivity and electrochemical instability in aqueous electrolytes. Two …

van der Waals nanomaterials supporting phonon polariton quasiparticles possess
extraordinary light confinement capabilities, making them ideal systems for molecular …

Hyperbolic phonon polaritons (HPhPs) are stimulated by coupling infrared (IR) photons with
the polar lattice vibrations. Such HPhPs offer low‐loss, highly confined light propagation at …

Graphene nano-optics at terahertz (THz) frequencies (ν) is theoretically anticipated to
feature extraordinary effects. However, interrogating such phenomena is nontrivial, since the …

Optical anisotropy, which is quantified by birefringence (Δn) and linear dichroism (Δk), can
significantly modulate the angle‐resolved polarized Raman spectroscopy (ARPRS) …

Phonon polaritons, the hybrid quasiparticles resulting from the coupling of photons and
lattice vibrations, have gained significant attention in the field of layered van der Waals …

In-plane hyperbolic phonon polaritons (HPhPs) are phonon-mediated hybrid
electromagnetic modes, particularly in two-dimensional (2D) van der Waals (vdW) crystals …

Talc is an insulating layered material that is stable at ambient conditions and has high-
quality basal cleavage, which is a major advantage for its use in van der Waals …

Anisotropic hyperbolic phonon‐polaritons (HPhPs) in a van der Waals material,
orthorhombic‐phase molybdenum trioxide (α‐MoO3), provide strategies in multiple …

Polaritons have a demonstrated impact on nanophotonic applications in the midinfrared
through visible spectral range. Surface phonon-polaritons (SPhPs) offer a way to bring the …