A periodically-poled LiNbO 3 (PPLN) crystal features space-dependent second-order
nonlinear coefficients, which is one of the most important materials to effectively control …

Materials with tunable thermal properties enable on-demand control of temperature and
heat flow, which is an integral component in the development of solid-state refrigeration …

This article shows experimentally that an external electric field affects the velocity of the
longitudinal acoustic phonons (v LA), thermal conductivity (κ), and diffusivity (D) in a bulk …

Ferroelectric domain walls are a completely new type of functional interface, which have the
potential to revolutionize nanotechnology. In addition to the emergent phenomena at …

Ferroelectric materials have set in motion numerous ultralow-energy-consuming device
concepts that can be integrated into state-of-the-art complementary metal–oxide …

Better techniques for imaging ferroelectric polarization would aid the development of new
ferroelectrics and the refinement of old ones. Here we show how scanning transmission …

We present a study of adsorbate screening of surface charge in microscopic ferroelectric
domains in a sol–gel grown PbZr0. 2Ti0. 8O3 thin film. Low-energy and photoemission …

With the recent success of solution-processed inorganic halide perovskites in optoelectronic
applications, the ability to control crystal grain morphology, size, and orientation is of great …

Flat elastic sheets tend to display wrinkles and folds. From pieces of clothing down to two-
dimensional crystals, these corrugations appear in response to strain generated by sheet …

Second-harmonic generation is used experimentally for the nonlinear imaging of two-
dimensional irregular domain structures. Analytical solutions and simulation results for the …