Fig. 4
From: Ultra-sensitive heterojunction double gate BioTFET device for SARS-CoV-2 biomolecules detection

Schematic cross-section of DG-bioHTFET.
From: Ultra-sensitive heterojunction double gate BioTFET device for SARS-CoV-2 biomolecules detection
Schematic cross-section of DG-bioHTFET.