Space charge limited conduction in a-(Ge20Se80)1−xSnx thin films

Optical and electrical properties of In4Se96-xSx chalcogenide thin films

“…Several authors have studied the conduction and space charge injection in chalcogenide semiconductors which is closely connected to the charge transport, conduction and trapping/de-trapping in these materials [19][20][21][22]. At low fields a linear current-voltage relation has observed, but at high voltage, current become non-ohmic, that means, current increases faster with voltage.…”