Defects in mercury-cadmium telluride heteroepitaxial structures grown by molecular-beam epitaxy on silicon substrates
- Авторы: Mynbaev K.1,2, Zablotsky S.1,3, Shilyaev A.1, Bazhenov N.1, Yakushev M.4, Marin D.4, Varavin V.4, Dvoretsky S.4,5
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Учреждения:
- Ioffe Physical–Technical Institute
- ITMO National Research University
- St. Petersburg State Electrotechnical University “LETI”
- Rzhanov Institute of Semiconductor Physics, Siberian Branch
- National Research Tomsk State University
- Выпуск: Том 50, № 2 (2016)
- Страницы: 208-211
- Раздел: Semiconductor Structures, Low-Dimensional Systems, and Quantum Phenomena
- URL: https://journals.rcsi.science/1063-7826/article/view/196777
- DOI: https://doi.org/10.1134/S1063782616020160
- ID: 196777
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Аннотация
Defects in mercury-cadmium-telluride heteroepitaxial structures (with 0.3 to 0.4 molar fraction of cadmium telluride) grown by molecular-beam epitaxy on silicon substrates are studied. The low-temperature photoluminescence method reveals that there are comparatively deep levels with energies of 50 to 60 meV and shallower levels with energies of 20 to 30 meV in the band gap. Analysis of the temperature dependence of the minority carrier lifetime demonstrates that this lifetime is controlled by energy levels with an energy of ∼30 meV. The possible relationship between energy states and crystal-structure defects is discussed.
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Об авторах
K. Mynbaev
Ioffe Physical–Technical Institute; ITMO National Research University
Автор, ответственный за переписку.
Email: mynkad@mail.ioffe.ru
Россия, St. Petersburg, 194021; St. Petersburg, 197101
S. Zablotsky
Ioffe Physical–Technical Institute; St. Petersburg State Electrotechnical University “LETI”
Email: mynkad@mail.ioffe.ru
Россия, St. Petersburg, 194021; St. Petersburg, 197376
A. Shilyaev
Ioffe Physical–Technical Institute
Email: mynkad@mail.ioffe.ru
Россия, St. Petersburg, 194021
N. Bazhenov
Ioffe Physical–Technical Institute
Email: mynkad@mail.ioffe.ru
Россия, St. Petersburg, 194021
M. Yakushev
Rzhanov Institute of Semiconductor Physics, Siberian Branch
Email: mynkad@mail.ioffe.ru
Россия, Novosibirsk, 630090
D. Marin
Rzhanov Institute of Semiconductor Physics, Siberian Branch
Email: mynkad@mail.ioffe.ru
Россия, Novosibirsk, 630090
V. Varavin
Rzhanov Institute of Semiconductor Physics, Siberian Branch
Email: mynkad@mail.ioffe.ru
Россия, Novosibirsk, 630090
S. Dvoretsky
Rzhanov Institute of Semiconductor Physics, Siberian Branch; National Research Tomsk State University
Email: mynkad@mail.ioffe.ru
Россия, Novosibirsk, 630090; Tomsk, 634050