Features of the diagnostics of metamorphic InAlAs/InGaAs/InAlAs nanoheterostructures by high-resolution X-ray diffraction in the ω-scanning mode
- Авторы: Vasil’evskii I.1, Pushkarev S.1,2, Grekhov M.1, Vinichenko A.1, Lavrukhin D.2, Kolentsova O.1
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Учреждения:
- National Research Nuclear University “MEPhI”
- Institute of Ultrahigh Frequency Semiconductor Electronics
- Выпуск: Том 50, № 4 (2016)
- Страницы: 559-565
- Раздел: Fabrication, Treatment, and Testing of Materials and Structures
- URL: https://journals.rcsi.science/1063-7826/article/view/197041
- DOI: https://doi.org/10.1134/S1063782616040242
- ID: 197041
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Аннотация
This study is devoted to the search for new possibilities of characterizing crystal-structure features using high-resolution X-ray diffraction. The emphasis is on the scanning mode across the diffraction vector (ω-scanning), since researchers usually pay little attention to this mode, and its capabilities have not yet been completely revealed. For the [011] and [01\(\bar 1\)] directions, the ω-peak half-width and the average tilt angle of the sample surface profile are compared. The diagnostic capabilities of X-ray scattering mapping are also studied. The objects of study are semiconductor nanoheterostructures with an InAlAs/InGaAs/InAlAs quantum well and an InxAl1–xAs metamorphic buffer grown by molecular-beam epitaxy on InP and GaAs substrates. Such nanoheterostructures are used to fabricate microwave transistors and monolithic integrated circuits. The objects under study are more completely characterized using the Hall effect, atomic-force microscopy, and low-temperature photoluminescence spectroscopy at 79 K.
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Об авторах
I. Vasil’evskii
National Research Nuclear University “MEPhI”
Автор, ответственный за переписку.
Email: s_s_e_r_p@mail.ru
Россия, Kashirskoe sh. 31, Moscow, 115409
S. Pushkarev
National Research Nuclear University “MEPhI”; Institute of Ultrahigh Frequency Semiconductor Electronics
Email: s_s_e_r_p@mail.ru
Россия, Kashirskoe sh. 31, Moscow, 115409; Nagornyi pr. 7, str. 5, Moscow, 117105
M. Grekhov
National Research Nuclear University “MEPhI”
Email: s_s_e_r_p@mail.ru
Россия, Kashirskoe sh. 31, Moscow, 115409
A. Vinichenko
National Research Nuclear University “MEPhI”
Email: s_s_e_r_p@mail.ru
Россия, Kashirskoe sh. 31, Moscow, 115409
D. Lavrukhin
Institute of Ultrahigh Frequency Semiconductor Electronics
Email: s_s_e_r_p@mail.ru
Россия, Nagornyi pr. 7, str. 5, Moscow, 117105
O. Kolentsova
National Research Nuclear University “MEPhI”
Email: s_s_e_r_p@mail.ru
Россия, Kashirskoe sh. 31, Moscow, 115409