Experimental work aimed at understanding the role of dislocation loops in limiting phonon
mediated thermal transport in ceramics is presented. Faulted dislocation loops, having …

The quasiharmonic approximation (QHA) is the simplest nontrivial approximation for
interacting phonons under constant pressure, bringing the effects of anharmonicity into …

Abstract Characterization of microstructure, chemistry and function of energy materials
remains a challenge for instrumentation science. This active area of research is making …

Non-invasive fast imaging of grain microstructure of polycrystalline ceria with sub-
micrometric spatial resolution is performed via time-domain Brillouin scattering. The …

This contribution intends to convince readers that by virtue of the rich physics involved,
optical excitation, thermal diffusion, thermal expansion, and acoustic wave propagation, and …

In-situ measurement of LiNbO 3 based surface acoustic wave (SAW) crystal resonator
device under irradiation was demonstrated and used to characterize the impact of radiation …

The ultrafast dynamics of the antiferrodistortive phase transition in perovskite SrTiO 3 is
monitored via time-domain Brillouin scattering. Using femtosecond optical pulses, we initiate …

Natural design and fabrication strategies have long served as a source of inspiration for
novel materials with enhanced properties. Less investigated is the prospect of leveraging …

We report the adiabatic elastic constants of single-crystal thorium dioxide over a temperature
range of 77–350 K. Time-domain Brillouin scattering, an all-optical, non-contact picosecond …

Time-domain Brillouin scattering (TDBS) uses ultrashort laser pulses to (i) generate
coherent acoustic pulses of picoseconds duration in a solid sample and (ii) follow their …