Modified Poole–Frenkel mechanisms in Ge25BixSb15−xS60 thin films

Richardson-Schottky transport mechanism in ZnS nanoparticles

“…34,35 The experimental value of barrier lowering coefficient ( β exp ) can be extracted from the slope m of graph of ln(G) against V 1/2 for the linear region at high applied voltage for all temperatures as shown in the inset of Fig. 3(b) and is given by…”

“…As a result, electrons are thermally transported from the randomly distributed traps to the conduction band of the sample material. 25,31,32,35 At high voltage range, several electric and semiconducting materials conductance-voltage characteristic is of the following form. 22,31,34 …”

Study of leakage current in metal–insulator–metal Mg–Al co-doped barium strontium titanate thin films as a function of temperature and applied field

“…The reduction of dielectric dispersion and leakage current is crucial for enhancing the device performance and the stored electric charge [19]. The defect states in the film and the interface between electrode and the film are important to the leakage current and the dielectric dispersion of the films.…”

“…These dependencies of the activation energy on the electrical field and temperature, associated with a lowering of the barrier height, are governed by the image force effect, which are characteristic of Schottky conduction [20]. In the Poole-Frenkel effect, the free electrons are thermally emitted from the randomly distributed traps to the conduction band because the external electric field and temperature reduce the Columbic potential barrier [19]. However, the transport of carriers by Fowler-Nordheim (FN) tunneling yields leakage current density (J FN ) of the form [20],…”

Electrical conductivity and optical absorption of (Ge2S3)1(Sb2Te3)1 amorphous thin films

“…The electrical conductivity of Ge-M-S (M = Bi or Sb) was the subject of many investigations [2][3][4][5][6][7]. Various mechanisms of conductivity in bulk and thin films of Ge x Sb 40−x Se 60 chalcogenides system have been suggested [3].…”