Publication: Comparison of the thermal interdiffusion phenomena in InGaAs/GaAs and InGaAs/AlGaAs strained heterostructures
Дата
2022
Авторы
Vasilkova, E. I.
Klochkov, A. N.
Vinichenko, A. N.
Kargin, N. I.
Vasil'evskii, I. S.
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Аннотация
The effect of 5 min high-temperature thermal annealing on InGaAs/GaAs strained superlattices and InGaAs/ AlGaAs PHEMT structures grown by molecular beam epitaxy was studied using the Hall measurements, pho-toluminescence spectroscopy, and high-resolution X-ray diffraction. InGaAs/GaAs superlattices are shown to undergo photoluminescence peak energy blueshift after 700 degrees C annealing and distinguishable heterointerface roughening after 800 degrees C annealing. The magnitude of quantum well smoothing, caused by annealing induced III-group atom interdiffusion, was estimated experimentally using secondary ion mass spectrometry and X-ray reflectivity, and calculated from the modelled electron energy spectra in the diffused wells. InGaAs/AlGaAs PHEMTs appear to be more sensitive to annealing, demonstrating optical and structural changes of a similar nature to InGaAs/GaAs heterostructures, as well as transport properties degradation, at a wider range of annealing temperatures starting 500 degrees C.
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Цитирование
Comparison of the thermal interdiffusion phenomena in InGaAs/GaAs and InGaAs/AlGaAs strained heterostructures / Vasilkova, EI [et al.] // Surfaces and Interfaces. - 2022. - 29. - 10.1016/j.surfin.2022.101766
URI
https://www.doi.org/10.1016/j.surfin.2022.101766
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https://openrepository.mephi.ru/handle/123456789/28831
https://www.scopus.com/record/display.uri?eid=2-s2.0-85123749231&origin=resultslist
http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000764954900006
https://openrepository.mephi.ru/handle/123456789/28831