"Modeling memristive biosensors"

Tzouvadaki, Ioulia, Puppo, Francesca, Doucey, Marie Agnes, De Micheli, Giovanni and Carrara, Sandro (2015) "Modeling memristive biosensors". In 2015 IEEE SENSORS - Proceedings. IEEE.. (doi:10.1109/ICSENS.2015.7370572).

Abstract

In the present work, a computational study is carried out investigating the relationship between the biosensing and the electrical characteristics of two-terminal Schottky-barrier silicon nanowire devices. The model suggested successfully reproduces computationally the experimentally obtained electrical behavior of the devices prior to and after the surface bio-modification. Throughout modeling and simulations, it is confirmed that the nanofabricated devices present electrical behavior fully equivalent to that of a memristor device, according to literature. Furthermore, the model introduced successfully reproduces computationally the voltage gap appearing in the current to voltage characteristics for nanowire devices with bio-modified surface. Overall, the present study confirms the implication of the memristive effect for bio sensing applications, therefore demonstrating the Memristive Biosensors.

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