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SIMULATION AND DESIGN AlGaN HETEROJUNCTION FIELD-EFFECT TRANSISTOR

SIMULATION AND DESIGN AlGaN HETEROJUNCTION FIELD-EFFECT TRANSISTOR

Abstract

AlGaN ternary alloys with a band gap of 3.4 to 6.2 eV are promising materials for the construction of various electronic devices: diodes, transistors, lasers, microwave circuits. Replacing silicon with GaN allows several times to increase the operating temperature, the cutoff frequency, and to reduce several times the switching and conduction losses in power devices. A necessary element in the development of new electronic devices is computer modeling of physical processes in them. In this work, a model of a heterojunction field-effect transistor (FET) based on AlxGa1-xN was developed using the COMSOL Multiphysics software, including its current-voltage characteristic and other parameters. Тройное соединение AlGaN с шириной запрещенной зоны от 3,4 до 6,2 эВ является перспективным материалом для построения различных электронных приборов: диодов, транзисторов, лазеров, СВЧ-микросхем. Замена кремния на нитрид галлия позволяет в несколько раз повысить рабочую температуру, граничную частоту, уменьшить в несколько раз потери переключения и проводимости в силовых приборах. Необходимым элементом освоения новых электронных устройств является компьютерное моделирование в них физических процессов. В настоящей работе с помощью программного обеспечения COMSOL Multiphysics разработана модель гетеропереходного полевого транзистора на основе AlxGa1-xN, включающая его вольт-амперную характеристику и другие параметры.

Keywords

диффузионно-дрейфовая модель, polarization, поляризация, гетеропереходный полевой транзистор, heterojunction field-effect transistor, diffusion-drift model, aluminum nitride, нитрид галия, gallium nitride, current-voltage characteristic, нитрид алюминия, вольт-амперная характеристика

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
hybrid