Nanoheterostructures with CdTe/ZnMgSeTe Quantum Dots for Single-Photon Emitters Grown by Molecular Beam Epitaxy
- Authors: Sorokin S.V.1, Sedova I.V.1, Belyaev K.G.1, Rakhlin M.V.1, Yagovkina M.A.1, Toropov A.A.1, Ivanov S.V.1
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Affiliations:
- Ioffe Physical Technical Institute
- Issue: Vol 44, No 3 (2018)
- Pages: 267-270
- Section: Article
- URL: https://journals.rcsi.science/1063-7850/article/view/207532
- DOI: https://doi.org/10.1134/S1063785018030264
- ID: 207532
Cite item
Abstract
Data on the molecular beam epitaxy (MBE) technology, design, and luminescent properties of heterostructures with CdTe/Zn(Mg)(Se)Te quantum dots on InAs(001) substrates are presented. X-ray diffraction has been used to study short-period ZnTe/MgTe/MgSe superlattices used as wide-bandgap barriers in structures with CdTe/ZnTe quantum dots for the effective confinement of holes. It is shown that the design of these superlattices must take into account the replacement of Te atoms by selenium on MgSe/ZnTe and MgTe/MgSe heterointerfaces. Heterostructures with CdTe/Zn(Mg)(Se)Te quantum dots exhibit photoluminescence at temperatures up to 300 K. The spectra of microphotoluminescence at T = 10 K display a set of emission lines from separate CdTe/ZnTe quantum dots, the surface density of which is estimated at ~1010 cm−2.
About the authors
S. V. Sorokin
Ioffe Physical Technical Institute
Author for correspondence.
Email: sorokin@beam.ioffe.ru
Russian Federation, St. Petersburg, 194021
I. V. Sedova
Ioffe Physical Technical Institute
Email: sorokin@beam.ioffe.ru
Russian Federation, St. Petersburg, 194021
K. G. Belyaev
Ioffe Physical Technical Institute
Email: sorokin@beam.ioffe.ru
Russian Federation, St. Petersburg, 194021
M. V. Rakhlin
Ioffe Physical Technical Institute
Email: sorokin@beam.ioffe.ru
Russian Federation, St. Petersburg, 194021
M. A. Yagovkina
Ioffe Physical Technical Institute
Email: sorokin@beam.ioffe.ru
Russian Federation, St. Petersburg, 194021
A. A. Toropov
Ioffe Physical Technical Institute
Email: sorokin@beam.ioffe.ru
Russian Federation, St. Petersburg, 194021
S. V. Ivanov
Ioffe Physical Technical Institute
Email: sorokin@beam.ioffe.ru
Russian Federation, St. Petersburg, 194021