BACKGROUND Interactions between inorganic nanoparticles (NPs) are central to a wide
spectrum of physical, chemical, and biological phenomena. An understanding of these …

Developments of optical detection and spectroscopy methods for single nano-objects are
key advances for applications and fundamental understanding of the novel properties …

Insight into the mechanical characteristics of nanoscopic structures is of fundamental interest
and indeed poses a great challenge to the research communities around the world. These …

Theoretical and time-domain experimental investigations of the vibrational acoustic
response of nano-objects are described focusing on metallic ones. Acoustic vibrations are …

Converted into mechanical nanoresonators after optical pulsed excitation and electron
decay into coherent acoustic phonons, plasmonic nanoantennas produce a periodic …

Acoustic vibrations of small nanoparticles are still ruled by continuum mechanics laws down
to diameters of a few nanometers. The elastic behavior at lower sizes (< 1–2 nm), where …

At the nanoscale, the investigation of structural features becomes fundamental as we can
establish relationships between cluster geometries and their physicochemical properties …

The mechanical vibrations of individual gold nanodisks nanopatterned on a sapphire
substrate are investigated using ultrafast time-resolved optical spectroscopy. The number …

Over the past decade, there have been a number of transient absorption studies of the
acoustic vibrational modes of metal and semiconductor nanoparticles. This Perspective …

Transient absorption and Raman scattering measurements on noble metal nanoparticles
offer complementary information on their vibrational modes and mechanical interactions with …