The temperature dependence of electrical conductivity and the photoconductivity of
polycrystalline Cu 2 ZnSnS 4 were investigated. It was found that at high temperatures the …

The persistent photoconductivity (PPC) effect was studied in individual tin oxide (SnO2)
nanobelts as a function of temperature, in air, helium, and vacuum atmospheres, and low …

Clean, benign and economical energy harvesting is envisioned to mitigate the global
climate change–originated from the burning of fossil fuels–addressing both the energy …

A persistent photoconductivity effect (PPC) has been investigated in Cu 2 ZnSnS 4 thin films
and solar cells as a function of temperature. An anomalous increase of the PPC decay time …

Herein, we dope a low-dimensional ZnO system with a wide range of rare earth (RE) ions.
Through systematic calculations, the dopable range of all ZnO systems was found to be …

Thermally stimulated current (TSC) techniques provide information about oxide-trap charge
densities and energy distributions in MOS (metal-oxide-semiconductor) capacitors exposed …

The dependence of the electrical properties of semiconductor samples as a function of the
high electric field is relevant for a better understanding of the semi-insulating characteristics …

Semi-insulating GaAs samples present N-shaped negative differential conductivity under
high-electric fields. This behavior can be associated with two physical processes: Impact …

Low frequency oscillations (LFO) on current I (V, t) curves were studied in a GaAs sample
grown by molecular beam epitaxy. Our measurements were carried out at a temperature of …

Magnetoresistance measurements were performed on an illuminated semi-insulating GaAs
sample with intrinsic deep level defects. Electrical carriers were photo-generated under light …