Improving the quantum coherence of solid-state systems is a decisive factor in realizing solid-
state quantum technologies. The key to optimize quantum coherence lies in reducing the …

Cuprous oxide (Cu2O) is a semiconductor with large exciton binding energy and significant
technological importance in applications such as photovoltaics and solar water splitting. It is …

High-lying Rydberg states of Mott-Wannier excitons are receiving considerable interest due
to the possibility of adding long-range interactions to the physics of excitons. Here, we study …

Cuprous oxide (Cu2O) is a promising catalyst for several important reactions. However, the
atomic structures of defective Cu2O surfaces, which critically affect the catalytic properties …

Cuprous oxide (Cu2O) crystals and films of 10–65 nm thickness are investigated via electron
diffraction, scanning tunneling microscopy (STM), and photoluminescence (PL) …

We present a study of even-parity Rydberg exciton states in cuprous oxide using second
harmonic generation (SHG) spectroscopy. Excitonic states with principal quantum number …

The optical and photoelectrochemical (PEC) sensing performances of transition metal
oxides are greatly dependent on structural defects. However, defect engineering under …

Cuprous oxide (Cu 2 O) thin films grown by radio-frequency magnetron sputtering were post-
annealed at 700 C under various oxygen partial pressures (PO 2). Reduction and oxidation …

We investigate the interaction between highly excited Rydberg excitons and charged
impurities in the semiconductor Cuprous Oxide. We find that it is long-ranged and based on …

Rydberg states of excitons can reach microns in size and require extremely pure crystals.
We introduce an experimental method for the rapid and spatially resolved characterization of …