Enhancement of Photoconductivity by Carrier Screening Effect in n-GaSb/InAs/p-GaSb Heterostructure with Single Deep Quantum Well
- Authors: Danilov L.V.1, Mikhailova M.P.1, Levin R.V.1, Konovalov G.G.1, Ivanov E.V.1, Andreev I.A.1, Pushnyi B.V.1, Zegrya G.G.1
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Affiliations:
- Ioffe Institute
- Issue: Vol 52, No 4 (2018)
- Pages: 493-496
- Section: XXV International Symposium “Nanostructures: Physics and Technology”, Saint Petersburg, June 26–30, 2017. Quantum Wells, Quantum Wires, Quantum Dots, and Band Structure
- URL: https://journals.rcsi.science/1063-7826/article/view/202848
- DOI: https://doi.org/10.1134/S1063782618040115
- ID: 202848
Cite item
Abstract
n-GaSb/n-InAs/p-GaSb heterostructure with a single InAs QW was grown for the first time by MOVPE. Photocurrent spectra were obtained at reverse bias in the range from 0 to 0.8 V. It was shown that the photocurrent increases nonlinearly. The maximum of differential photoconductivity is archived at low applied voltage up to 0.2 V. This effect was explained by electrostatic screening of electrons localized in QW.
About the authors
L. V. Danilov
Ioffe Institute
Author for correspondence.
Email: danleon84@mail.ru
Russian Federation, St. Petersburg, 194021
M. P. Mikhailova
Ioffe Institute
Email: danleon84@mail.ru
Russian Federation, St. Petersburg, 194021
R. V. Levin
Ioffe Institute
Email: danleon84@mail.ru
Russian Federation, St. Petersburg, 194021
G. G. Konovalov
Ioffe Institute
Email: danleon84@mail.ru
Russian Federation, St. Petersburg, 194021
E. V. Ivanov
Ioffe Institute
Email: danleon84@mail.ru
Russian Federation, St. Petersburg, 194021
I. A. Andreev
Ioffe Institute
Email: danleon84@mail.ru
Russian Federation, St. Petersburg, 194021
B. V. Pushnyi
Ioffe Institute
Email: danleon84@mail.ru
Russian Federation, St. Petersburg, 194021
G. G. Zegrya
Ioffe Institute
Email: danleon84@mail.ru
Russian Federation, St. Petersburg, 194021