Infrared and optical spectroscopy represents one of the most informative methods in
advanced materials research. As an important branch of modern optical techniques that has …

Progress in nanotechnology is enabled by and dependent on the availability of
measurement methods with spatial resolution commensurate with nanomaterials' length …

van der Waals heterostructures assembled from atomically thin crystalline layers of diverse
two-dimensional solids are emerging as a new paradigm in the physics of materials. We …

Thermal radiation is one of the most universal physical phenomena, and its study has
played a key role in the history of modern physics. Our understanding of this subject has …

Nano-FTIR spectroscopy based on Fourier transform infrared near-field spectroscopy allows
for label-free chemical nanocharacterization of organic and inorganic composite surfaces …

Characterizing and ultimately controlling the heterogeneity underlying biomolecular
functions, quantum behavior of complex matter, photonic materials, or catalysis requires …

Radiative thermal transport via the fluctuating electromagnetic near-field has recently
attracted increasing attention due to its fundamental importance and its impact on a range of …

We report on nano-infrared (IR) imaging studies of confined plasmon modes inside
patterned graphene nanoribbons (GNRs) fabricated with high-quality chemical-vapor …

The structure of our material world is characterized by a large hierarchy of length scales that
determines material properties and functions. Increasing spatial resolution in optical imaging …

Scattering-type scanning near-field optical microscopy (s-SNOM) and Fourier transform
infrared nanospectroscopy (nano-FTIR) are emerging tools for nanoscale chemical material …