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

A. M. Mintairov; D. V. Lebedev; N. Bert; K. G. Belyaev; V. N. Nevedomskiy; M. V. Rakhlin; A. A. Toropov; A. S. Vlasov; A. Gocalinska; G. Juska; E. Pelucchi; M. A. Arredondo; A. B. Naden; A. V. Shelaev; V. A. Bykov

doi:10.1063/1.5126527

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

A. M. Mintairov^*, D. V. Lebedev, N. Bert, K. G. Belyaev, V. N. Nevedomskiy, M. V. Rakhlin, A. A. Toropov, A. S. Vlasov, A. Gocalinska, G. Juska, E. Pelucchi, M. A. Arredondo, A. B. Naden, A. V. Shelaev, V. A. Bykov

^*Corresponding author for this work

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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.

Original language	English
Article number	202104
Number of pages	5
Journal	Applied Physics Letters
Volume	115
Issue number	20
DOIs	https://doi.org/10.1063/1.5126527
Publication status	Published - 11 Nov 2019

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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Atomic Ordering and bond relaxation in optical spectra of self-organized InP/GaInP2 Wigner molecule structures
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Mintairov, A. M., Lebedev, D. V., Bert, N., Belyaev, K. G., Nevedomskiy, V. N., Rakhlin, M. V., Toropov, A. A., Vlasov, A. S., Gocalinska, A., Juska, G., Pelucchi, E., Arredondo, M. A., Naden, A. B., Shelaev, A. V., & Bykov, V. A. (2019). Atomic Ordering and bond relaxation in optical spectra of self-organized InP/GaInP2 Wigner molecule structures. Applied Physics Letters, 115(20), Article 202104. https://doi.org/10.1063/1.5126527

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title = "Atomic Ordering and bond relaxation in optical spectra of self-organized InP/GaInP2 Wigner molecule structures",

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.",

author = "Mintairov, {A. M.} and Lebedev, {D. V.} and N. Bert and Belyaev, {K. G.} and Nevedomskiy, {V. N.} and Rakhlin, {M. V.} and Toropov, {A. A.} and Vlasov, {A. S.} and A. Gocalinska and G. Juska and E. Pelucchi and Arredondo, {M. A.} and Naden, {A. B.} and Shelaev, {A. V.} and Bykov, {V. A.}",

year = "2019",

month = nov,

day = "11",

doi = "10.1063/1.5126527",

language = "English",

volume = "115",

journal = "Applied Physics Letters",

issn = "0003-6951",

publisher = "American Institute of Physics",

number = "20",

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Mintairov, AM, Lebedev, DV, Bert, N, Belyaev, KG, Nevedomskiy, VN, Rakhlin, MV, Toropov, AA, Vlasov, AS, Gocalinska, A, Juska, G, Pelucchi, E, Arredondo, MA, Naden, AB, Shelaev, AV & Bykov, VA 2019, 'Atomic Ordering and bond relaxation in optical spectra of self-organized InP/GaInP2 Wigner molecule structures', Applied Physics Letters, vol. 115, no. 20, 202104. https://doi.org/10.1063/1.5126527

TY - JOUR

T1 - Atomic Ordering and bond relaxation in optical spectra of self-organized InP/GaInP2 Wigner molecule structures

AU - Mintairov, A. M.

AU - Lebedev, D. V.

AU - Bert, N.

AU - Belyaev, K. G.

AU - Nevedomskiy, V. N.

AU - Rakhlin, M. V.

AU - Toropov, A. A.

AU - Vlasov, A. S.

AU - Gocalinska, A.

AU - Juska, G.

AU - Pelucchi, E.

AU - Arredondo, M. A.

AU - Naden, A. B.

AU - Shelaev, A. V.

AU - Bykov, V. A.

PY - 2019/11/11

Y1 - 2019/11/11

N2 - 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.

AB - 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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U2 - 10.1063/1.5126527

DO - 10.1063/1.5126527

M3 - Article

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SN - 0003-6951

VL - 115

JO - Applied Physics Letters

JF - Applied Physics Letters

IS - 20

M1 - 202104

ER -

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

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Miryam Arredondo

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

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Miryam Arredondo

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