纳米线离子敏感场效应晶体管的理论研究

IF 0.5 4区物理与天体物理 Q4 PHYSICS, MULTIDISCIPLINARY

Journal of Contemporary Physics (Armenian Academy of Sciences) Pub Date : 2021-12-19 DOI:10.3103/S1068337221040071

A. Yesayan, S. Petrosyan, A. Papiyan, J.-M. Sallese

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引用次数: 2

摘要

研究了用于pH传感的半导体纳米线离子敏感场效应晶体管(ISFET)的工作原理。对系统中的物理过程进行了数学建模，并给出了详细的描述。分析了NW型ISFET电流- ph特性与NW型几何和物理参数的关系。给出了不同NW半径、氧化层厚度和NW掺杂密度下ISFET灵敏度随pH值的变化曲线。所得结果与实验数据定性一致。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Theoretical Studies of Nanowire Ion-Sensitive Field Effect Transistor

The operation principle of a semiconductor nanowire (NW) ion-sensitive field-effect transistor (ISFET), denoted for pH sensing, is studied within the framework of this work. The physical processes in the system are mathematically modelled and presented in details. The dependences of the NW ISFET current-pH characteristics on NW geometrical and physical parameters are analyzed. The plots of the ISFET sensitivity versus pH at different NW radii, the thicknesses of the oxide layer, and the NW doping densities are presented. The obtained results are in qualitative agreement with the experimental data.

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来源期刊

Journal of Contemporary Physics (Armenian Academy of Sciences) PHYSICS, MULTIDISCIPLINARY-

CiteScore

1.00

自引率

66.70%

发文量

审稿时长

6-12 weeks

期刊介绍： Journal of Contemporary Physics (Armenian Academy of Sciences) is a journal that covers all fields of modern physics. It publishes significant contributions in such areas of theoretical and applied science as interaction of elementary particles at superhigh energies, elementary particle physics, charged particle interactions with matter, physics of semiconductors and semiconductor devices, physics of condensed matter, radiophysics and radioelectronics, optics and quantum electronics, quantum size effects, nanophysics, sensorics, and superconductivity.