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A Verilog-A model for silicon nanowire biosensors : from theory to verification

Livia, Paolo and Vitae, Author and Bedner, Kristine and Tarasov, Alexander and Wipf, Mathias and Chen, Yihui and Schönenberger, Christian and Hierlemann, Andreas. (2013) A Verilog-A model for silicon nanowire biosensors : from theory to verification. Sensors and actuators. B, Chemical, Vol. 179 , S. 293–300.

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Official URL: http://edoc.unibas.ch/dok/A6212029

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Abstract

Silicon nanowires offer great potential as highly sensitive biosensors. Since the signals they produce are quite weak and noisy, the use of integrated circuits is preferable to read out and digitize these signals as quickly as possible following the sensing event to take full advantage of the properties of the nanowires. In order to design optimized and tailored circuits, simulations involving the sensor itself in the design phase are needed. We propose here a Verilog-A model for silicon nanowire-based biosensors. The model can easily be applied using commercially available electronic design automation (EDA) tools that are commonly used for integrated circuit design and simulations. The model is quite general and comprehensive; it can be used to simulate different types of sensing events, while still being quite simple and undemanding in terms of computational power. The model is described in detail and verified with measurements from two different nanowire sensors featuring aluminum-oxide and hafnium-oxide coatings. Good agreement has been achieved in all cases, with errors never exceeding 21%.
Faculties and Departments:05 Faculty of Science > Departement Physik > Physik > Experimentalphysik Nanoelektronik (Schönenberger)
UniBasel Contributors:Bedner, Kristine and Tarasov, Alexey and Wipf, Mathias and Schönenberger, Christian
Item Type:Article, refereed
Article Subtype:Research Article
Bibsysno:Link to catalogue
Publisher:Elsevier
ISSN:0925-4005
Note:Publication type according to Uni Basel Research Database: Journal article
Last Modified:31 Jan 2014 09:49
Deposited On:31 Jan 2014 09:49

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