The interaction of light with solids has been of ever-growing interest for centuries, even more
so since the quest for sustainable utilization and storage of solar energy became a major …

β-Ga 2 O 3 is an ultrawide band gap semiconductor with emerging applications in power
electronics. The introduction of acceptor dopants yields semi-insulating substrates …

Through first-principles calculation using the screened hybrid functional, we investigate the
energetics and electronic structure of substitutional hydrogen (HO) in which one hydrogen …

Barium calcium titanate (Ba1-x Ca x TiO3, BCTO) annealed under a flowing humid 2%
hydrogen–argon gas mixture exhibits room-temperature persistent photoconductivity (PPC) …

Complex oxide perovskites exhibit a range of novel, to the best of our knowledge, physical
phenomena and have gained popularity as a material system in the past decades. Strontium …

Annealed bulk crystals of barium titanate (BaTiO 3) exhibit persistent photoconductivity
(PPC) at room temperature. Samples were annealed in a flowing gas of humid argon and …

In recent years, significant attention has been directed toward exploring heterojunctions
based on perovskite materials for ultraviolet photodetectors. This study focuses on the …

High tunability of photoconductivity is highly desired for applications in optical memories,
sensors, and bioelectronics. Recently, room temperature persistent photoconductivity (PPC) …

With the future of electronics focusing on reduced packing size and efficient high-power
applications, ultrawide bandgap semiconductors such as β-Ga 2 O 3 are at the forefront of …

Titanium dioxide (TiO 2) has many promising applications, including photocatalysis,
hydrogen production, and solar cells. In this study, anatase TiO 2 was annealed in a vacuum …