350 rub
Journal Nanotechnology : the development , application - XXI Century №1 for 2016 г.
Article in number:
Research of volt-ampere characteristics multiparametric biosensor without gate by mathematical modeling method
Keywords: multiparameter biosensors HEMT transistor-mathematical modeling of current-voltage characteristics
Authors:
A.G. Gudkov - Dr.Sc. (Eng.), Professor, Department of Instrumentation Technology, MSTU n.a. N.E. Bauman; General Director, OOO «NPI FIRMA «HYPERION» (Moscow). E-mail: profgudkov@gmail.com; ooo.giperion@gmail.com V.N. Viyuginov - Ph.D. (Phys.-Math.), Director, CJSC «Svetlana-Elektronpribor» (St.-Petersburg). E-mail: vyuginov@svetlana-ep.ru V.G. Tihomirov - Ph.D. (Phys.-Math.), CJSC «SvetlanaElektronpribor» (St.-Petersburg). E-mail: v11111@yandex.ru A.A. Zybin - Head of Laboratory, CJSC «SvetlanaElektronpribor» (St.-Petersburg). E-mail: zybin_aa@svetlana-ep.ru
Abstract:
This article illustratesthe issues of numerical simulation of the impact of certain external influences on the VAC field-effect transistors on basis of heterostructures AlGaN / GaN (HEMT). A mathematical model allowing predict the behavior of the drain current as a function of changes in the terms on the surface of the heterostructure in the shutter area is completed. Numerical simulation of the impact of certain external influences on the VAC field-effect transistors on basis of heterostructures AlGaN / GaN (HEMT)is done. Numerical calculations suggest that the influence of the set of external factors, for example the location of the electrolyte with a certain pH value in the area of the shutter, on the test instrument VAC exists and the dependence is monoton-ic.Furthermore, studies allow to say the possibility of the effective use of numerical modeling of HEMT transistors based on gallium nitride to optimize structure of the biosensor. Numerical calculations suggest that the influence of the set of external factors (the location of the electrolyte with a certain pH value in the shutter area) on the test device VAC exists and the dependence is monotonic. More research is needed for directional changes in most of the heterostructure and the overall design of the biosensor to increase the sensitivity in these cases and expanding the range of recognizable substances.
Pages: 15-20
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