Perspectives on Dielectric Modulated Biosensing in Silicon Tunnel FETs

Abstract

Consistent research on Tunnel Field Effect Transistors (TFETs) has led to the lookout for their viability in biosensing. The dependence of the tunneling probability on the gate dielectric constant of TFETs makes them ideal for the exploration of biomolecule sensing using modulation of the gate dielectric constant. Although numerous architectures of TFETs have been theoretically analyzed for dielectric-modulated label-free biomolecule sensing, there seems to be no distinct reported work on the fabrication of a TFET based dielectric modulated biosensor. Therefore, this article brings out the different prospects in taking forward TFETs as dielectric modulated biosensors, and discusses the challenges involved.