The influence of metamorphic-buffer layer design on the retention of characteristics of InGaAs/GaAs metamorphic HEMT


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Resumo

We have studied the influence of metamorphic-buffer layer design on the temporal (storage) stability of electrical characteristics of InGaAs/GaAs metamorphic high-electron-mobility transistors (MHEMTs). Using measurements of the Hall effect, it is established that transistor heterostructures with a metamorphic buffer based on In(Al)GaAs/InAlAs superlattices possess maximum values of the concentration and mobility of electrons in the MHEMT channel and show minimum susceptibility to temporal degradation.

Sobre autores

E. Nikitina

St. Petersburg Academic University, Russian Academy of Sciences; Nanotechnology Research and Education Center

Email: alexashpigun@yandex.ru
Rússia, St. Petersburg, 194021; St. Petersburg, 194021

A. Lazarenko

St. Petersburg Academic University, Russian Academy of Sciences

Autor responsável pela correspondência
Email: alexashpigun@yandex.ru
Rússia, St. Petersburg, 194021

E. Pirogov

St. Petersburg Academic University, Russian Academy of Sciences

Email: alexashpigun@yandex.ru
Rússia, St. Petersburg, 194021

M. Sobolev

St. Petersburg Academic University, Russian Academy of Sciences

Email: alexashpigun@yandex.ru
Rússia, St. Petersburg, 194021

T. Berezovskaya

St. Petersburg Academic University, Russian Academy of Sciences

Email: alexashpigun@yandex.ru
Rússia, St. Petersburg, 194021


Declaração de direitos autorais © Pleiades Publishing, Ltd., 2017

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