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2013 | 123 | 2 | 345-348
Article title

Enhancement of Electron Mobility and Photoconductivity in Quantum Well In_{0.52}Al_{0.48}As/In_{0.53}Ga_{0.47}As/In_{0.52}Al_{0.48}As οn InP Substrate

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Abstracts
EN
Isomorphic In_{0.52}Al_{0.48}As/In_{0.53}Ga_{0.47}As/In_{0.52}Al_{0.48}As quantum well structure on InP substrate were grown by molecular beam epitaxy. We investigated the electron transport properties and mobility enhancement in the structures by changing of doping level, the width d of quantum well In_{0.53}Ga_{0.47}As or by illumination using light with λ = 668 nm. Persistent photoconductivity was observed in all samples due to spatial separation of carriers. We used the Shubnikov-de Haas effect to analyze subband electron concentration and mobility. The maximal mobility was observed for quantum well width d = 16 nm.
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Year
Volume
123
Issue
2
Pages
345-348
Physical description
Dates
published
2013-02
Contributors
  • Moscow State University (M.V. Lomonosov), Physics Faculty, Low Temperature Physics, and Superconductivity Department, Moscow, 119991 GSP -1, Russia
author
  • Moscow State University (M.V. Lomonosov), Physics Faculty, Low Temperature Physics, and Superconductivity Department, Moscow, 119991 GSP -1, Russia
author
  • Moscow State University (M.V. Lomonosov), Physics Faculty, Low Temperature Physics, and Superconductivity Department, Moscow, 119991 GSP -1, Russia
author
  • Moscow State University (M.V. Lomonosov), Physics Faculty, Low Temperature Physics, and Superconductivity Department, Moscow, 119991 GSP -1, Russia
  • Moscow State University (M.V. Lomonosov), Physics Faculty, Low Temperature Physics, and Superconductivity Department, Moscow, 119991 GSP -1, Russia
author
  • Moscow State University (M.V. Lomonosov), Physics Faculty, Low Temperature Physics, and Superconductivity Department, Moscow, 119991 GSP -1, Russia
References
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Document Type
Publication order reference
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YADDA identifier
bwmeta1.element.bwnjournal-article-appv123n2063kz
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