Fig. 4From: A Study on the Effect of the Structural Parameters and Internal Mechanism of a Bilateral Gate-Controlled S/D Symmetric and Interchangeable Bidirectional Tunnel Field Effect Transistora \(I_{{{\text{ds}}}}{-}V_{{{\text{gs}}}}\) characteristics of B-TFET and b variation in SS and the \(I_{{{\text{on}}}}{-}I_{{{\text{off}}}}\) ratio with different \(L_{i}\); 2-dimensional reversely biased potential distribution of the proposed B-TFET for Li equal to c 20 nm and d 100 nmBack to article page