AFM Probe Surface acoustic waves DISCRETE-DIPOLE APPROXIMATION Nanoparticles Acoustic wave velocity Thermal conductivity Dispersion High-speed optical techniques Phonons DYNAMICS Asoustic vibration in nano-object Periodic structure Acoustic Microscopy Nanocrystals Picosecond acoustic Brillouin spectroscopy Ballistic heat transfer Ballistic phonons GaAs Phononic crystal Metal-insulator transition Neodymium compounds Acoustic radiation pressure Acoustic filters Acoustic solitons Nitrides Transition metal nitrides Acoustic metamaterial Acoustic metamaterials Elasticity Acoustic Acoustic waves Lamb waves Band structure Elastic constants Surface acoustic wave Acoustique picoseconde Defect mode Nanowires Magnetic semiconductors GaN nanowires Chaos Brillouin light scattering Electrical resistivity ASPECT-RATIO Caractérisation élastique Mechanical properties Metallic thin films Copper nanowire Conductivity Thin films Elastic properties Ab initio calculations CLUSTER Devices Atomic Force Microscope Acute lymphoblastic leukemia Acoustic phonons Acoustic emission AQUEOUS-SOLUTION Thermal diffusivity Acoustical vortices Band gaps Acoustic attenuation Aluminium compounds Nonlinear acoustics Time resolved spectra Acoustical tweezers Au-Ag Alloy nanowire Acoustic propreties of solid Au nanowires Laser ultrasonics Alloying Acoustic transducers Vibrations Atténuation acoustique Metamaterials Carrier mobility Anisotropy Semiconductor superlattices Acoustic streaming Cavity Acoustic sensor Aluminium Active photonics CPA Mechanical & acoustical properties Bessel functions Acoustic waveguide Core-shell Acoustic shock waves Acoustic imaging Acoustic wave reflection III-V semiconductors Picosecond ultrasonics Band gap Broadband sound attenuation Backward wave Defects Acoustic wave phenomena