DeFET: A Novel CMOS Electric-Field Sensor for Lab-on-a-Chip and Biomedical Applications

This paper presents a novel CMOS electric-field sensor, it is called the "differential electric-field sensitive field-effect transistor" (DeFET), which is based on a standard 0.18-mum Taiwan Semiconductor Manufacturing Company (TSMC) CMOS technology. The DeFET shows a sensitivity of 51.7 mV/(V/mum). This paper also describes the DeFET's theory of operation in addition to the experimental and simulation results that confirm the DeFET's theory of operation. Some applications of the DeFET in the area of lab on a chip and biomedical are also presented