The excitation of surface-phonon-polariton (SPhP) modes in polar dielectric crystals and the
associated new developments in the field of SPhPs are reviewed. The emphasis of this work …

Electron energy loss spectroscopy (EELS) performed in a scanning transmission electron
microscope (STEM) has demonstrated unprecedented power in the characterization of …

The dielectric function of silver is a fundamental quantity related to its electronic structure
and describes its optical properties. However, results published over the past six decades …

Quantum tunneling between two plasmonic resonators links non-linear quantum optics with
terahertz nanoelectronics. Direct observation of and control over quantum plasmon …

Free-electron beams are versatile probes of microscopic structure and composition,, and
have revolutionized atomic-scale imaging in several fields, from solid-state physics to …

The physical properties of metals change when their dimensions are reduced to the nano-
scale and new phenomena such as the localized surface-plasmon resonance (LSPR) …

Nanoscale charge control is a key enabling technology in plasmonics, electronic band
structure engineering, and the topology of two-dimensional materials. By exploiting the large …

Conventionally, the phase transformation of inorganic nanocrystals is realized under
extreme conditions (for example, high temperature or high pressure). Here we report the …

In this tutorial review, we present the use of electron energy loss spectroscopy (EELS) and
cathodoluminescence (CL) spectroscopy for surface plasmon mapping within metallic …

Plasmon modes of the exact same individual gold nanoprisms are investigated through
combined nanometer-resolved electron energy-loss spectroscopy (EELS) and …