Epitaxial engineering of solid state heterointerfaces is a leading avenue to realizing
enhanced or novel electronic states of matter. As a recent example, bulk FeSe is an …

Scientific interest in atomically controlled layer-by-layer fabrication of transition metal oxide
thin films and heterostructures has increased intensely in recent decades for basic physics …

Oxygen electrochemistry plays a key role in renewable energy technologies such as fuel
cells and electrolyzers, but the slow kinetics of the oxygen evolution reaction (OER) limit the …

High-quality metal halide perovskite single crystals have low defect densities and excellent
photophysical properties, yet thin films are the most sought after material geometry for …

The kagome lattice has long been regarded as a theoretical framework that connects lattice
geometry to unusual singularities in electronic structure. Transition metal kagome …

Freestanding perovskite oxide membranes have drawn great attention recently since they
offer exceptional structural tunability and stacking ability, providing new opportunities in …

Polar conductors/superconductors with Rashba-type spin-orbit interaction are potential
material platforms for quantum transport and spintronic functionalities. One of their inherent …

Two-dimensional-on-three-dimensional (2D/3D) halide perovskite heterostructures have
been extensively utilized in optoelectronic devices. However, the labile nature of halide …

Transition-metal oxides with the perovskite structure are promising catalysts to promote the
kinetics of the oxygen evolution reaction (OER). To improve the activity and stability of these …

We report record energy storage density (> 80 J cm− 3) in Pb-free relaxor ferroelectrics
based on Mn-doped BiFeO 3–BaTiO 3 thin films. Rapid interval deposition was used to …