Materials and their interfaces are the core for the development of a large variety of fields,
including catalysis, energy storage and conversion. In this case, tip-enhanced Raman …

Confinement of electromagnetic fields at the subwavelength scale via metamaterial
paradigms is an established method to engineer light–matter interaction in most common …

Exploring nanoscale material properties through light-matter interactions is essential to
unveil new phenomena and manipulate materials at the atomic level, paving the way for …

Polaritons in two-dimensional layered crystals offer an effective solution to confine, enhance
and manipulate terahertz (THz) frequency electromagnetic waves at the nanoscale …

Thin layers of in-plane anisotropic materials can support ultraconfined polaritons, whose
wavelengths depend on the propagation direction. Such polaritons hold potential for the …

Protein layers formed on solid surfaces have important applications in various fields. High-
resolution characterization of the morphological structures of protein forms in the process of …

While near-field infrared nanospectroscopy provides a powerful tool for nanoscale material
characterization, broadband nanospectroscopy of elementary material excitations in the …

Recent theoretical studies have suggested that transition metal perovskite oxide membranes
can enable surface phonon polaritons in the infrared range with low loss and much stronger …

Terahertz (THz) technology holds great potential across diverse applications, including
biosensing and information communications, but conventional far-field techniques are …

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