Which phenomenon limits electron injection efficiency in tunnel field-effect transistors (TFETs) at low gate voltages?

💡 Explanation

At low gate voltages in TFETs, reduced band bending at the source-channel junction decreases the tunneling probability because the energy barrier becomes wider and higher, hindering efficient carrier injection. Therefore, reduced band bending limits injection efficiency, rather than thermal generation, scattering, or oxide capacitance, which affect transistor behavior differently.

• Which consequence results when interfacial lattice mismatch concentrates stress?
• Which outcome results when a catalytic converter's reducing stage malfunctions?
• Which outcome results in steel bridge girders when increased grain boundary surface area limits dislocation movement?
• Which outcome results when a packed bed reactor's space velocity significantly increases during an exothermic catalytic reaction?
• Which risk increases when gravitational spacetime curvature nears extremes?
• Which outcome results when applying a strong electric field to an aromatic molecule?