AIP Publishing
Applied Physics Letters
,  volume 115 ,  issue 20 ,  pages 202104

Atomic ordering and bond relaxation in optical spectra of self-organized InP/GaInP2 Wigner molecule structures

Alexander Mintairov 1, 2
, 
D. V. Lebedev 1
, 
N Bert 1
, 
K.G. Belyaev 1
, 
V. N. NEVEDOMSKIY 1
, 
Maxim V. Rakhlin 1
, 
Alexey A. Toropov 1
, 
A S Vlasov 1
, 
Agnieszka M. Gocalinska 3
, 
Gediminas Juska 3
, 
E. Pelucchi 3
, 
M A Arredondo 4
, 
Aaron B. Naden 4, 5
, 
Artem V. Shelaev 6
, 
V. A. Bykov 6
1
 
2
 
3
 
4
 
5
 
6
 
NT-MDT Co 6 , Zelenograd, Moscow 124460, Russia | 
Publication type: Journal Article
Publication date: 2019-11-11
AIP Publishing
scimago Q1
wos Q2
SJR: 0.896
CiteScore: 6.1
Impact factor: 3.6
ISSN: 00036951, 10773118
Physics and Astronomy (miscellaneous)
Abstract

We used transmission electron microscopy, Raman, and photoluminescence spectroscopy to identify the effect of CuPt-type GaP-InP atomic ordering (AO) on the structural and emission properties of self-organized (SO) InP/GaInP2 Wigner molecule (WM) quantum dot (QD) structures. We found that the correlation of AO and SO growth results in the formation of InP/GaInP2 QD/AO-domain (QD/AOD) core-shell composites. This observation shows that intrinsic WMs in this system emerge due to a strong piezoelectric field generated by AODs, which induces QD doping and a built-in magnetic field. We found that the bond relaxation of AODs leads to a decrease in the emission energy of WMs of 80 meV. The photoluminescence spectra of single WMs having an emission energy ∼1.53 eV are presented here, the lowest one reported for this system.

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Mintairov A. et al. Atomic ordering and bond relaxation in optical spectra of self-organized InP/GaInP2 Wigner molecule structures // Applied Physics Letters. 2019. Vol. 115. No. 20. p. 202104.
GOST all authors (up to 50) Copy
Mintairov A., Lebedev D. V., Bert N., Belyaev K., NEVEDOMSKIY V. N., Rakhlin M. V., Toropov A. A., Vlasov A. S., Gocalinska A. M., Juska G., Pelucchi E., Arredondo M. A., Naden A. B., Shelaev A. V., Bykov V. A. Atomic ordering and bond relaxation in optical spectra of self-organized InP/GaInP2 Wigner molecule structures // Applied Physics Letters. 2019. Vol. 115. No. 20. p. 202104.
RIS |
Cite this
RIS Copy
TY - JOUR
DO - 10.1063/1.5126527
UR - https://doi.org/10.1063/1.5126527
TI - Atomic ordering and bond relaxation in optical spectra of self-organized InP/GaInP2 Wigner molecule structures
T2 - Applied Physics Letters
AU - Mintairov, Alexander
AU - Lebedev, D. V.
AU - Bert, N
AU - Belyaev, K.G.
AU - NEVEDOMSKIY, V. N.
AU - Rakhlin, Maxim V.
AU - Toropov, Alexey A.
AU - Vlasov, A S
AU - Gocalinska, Agnieszka M.
AU - Juska, Gediminas
AU - Pelucchi, E.
AU - Arredondo, M A
AU - Naden, Aaron B.
AU - Shelaev, Artem V.
AU - Bykov, V. A.
PY - 2019
DA - 2019/11/11
PB - AIP Publishing
SP - 202104
IS - 20
VL - 115
SN - 0003-6951
SN - 1077-3118
ER -
BibTex |
Cite this
BibTex (up to 50 authors) Copy
@article{2019_Mintairov,
author = {Alexander Mintairov and D. V. Lebedev and N Bert and K.G. Belyaev and V. N. NEVEDOMSKIY and Maxim V. Rakhlin and Alexey A. Toropov and A S Vlasov and Agnieszka M. Gocalinska and Gediminas Juska and E. Pelucchi and M A Arredondo and Aaron B. Naden and Artem V. Shelaev and V. A. Bykov},
title = {Atomic ordering and bond relaxation in optical spectra of self-organized InP/GaInP2 Wigner molecule structures},
journal = {Applied Physics Letters},
year = {2019},
volume = {115},
publisher = {AIP Publishing},
month = {nov},
url = {https://doi.org/10.1063/1.5126527},
number = {20},
pages = {202104},
doi = {10.1063/1.5126527}
}
MLA
Cite this
MLA Copy
Mintairov, Alexander, et al. “Atomic ordering and bond relaxation in optical spectra of self-organized InP/GaInP2 Wigner molecule structures.” Applied Physics Letters, vol. 115, no. 20, Nov. 2019, p. 202104. https://doi.org/10.1063/1.5126527.