Wide bandgap oxide semiconductors constitute a unique class of materials that combine
properties of electrical conductivity and optical transparency. They are being widely used as …

As a prototypical photocatalyst, TiO 2 is a material of scientific and technological interest. In
photocatalysis and other applications, TiO 2 is often reduced, behaving as an n-type …

Two-dimensional electron systems (2DESs) in functional oxides are promising for
applications, but their fabrication and use, essentially limited to SrTiO $ _3 $-based …

The author provides an opinion on direct experimental evidence available to support the
“ionosorption theory” often employed to interpret “electrophysical” measurements made …

Nanowire memristor devices that display multilevel memory effects are of great interest for
high‐density storage, however, numerous challenges remain in fabricating high‐quality …

The tuning of electrical properties in oxides via surface and interfacial two-dimensional
electron gas (2DEG) channels is of great interest, as they reveal the extraordinary transition …

Two-dimensional (2D) metallic states induced by oxygen vacancies (VO s) at oxide surfaces
and interfaces provide opportunities for the development of advanced applications, but the …

The use of ultra-wide bandgap transparent conducting beta gallium oxide (β-Ga 2 O 3) thin
films as electrodes in ferroelectric solar cells is reported. In a new material structure for …

The discovery of 2D conductivity at the interface of insulating oxides uncovered a trove of
rich correlated‐electron physics, whose origins are still being debated 15 years later. In …

Engineering the electronic band structure of two-dimensional electron liquids (2DELs)
confined at the surface or interface of transition metal oxides is key to unlocking their full …