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Optically induced charging effects in self-assembled GaSb/GaAs quantum dots

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Optically induced charging effects in self-assembled GaSb/GaAs quantum dots. / Hayne, M ; Razinkova, O ; Bersier, S ; Heitz, R ; Muller-Kirsch, L ; Geller, M ; Bimberg, D ; Moshchalkov, V V .

In: Physical review B, Vol. 70, No. 8, 081302, 10.08.2004.

Research output: Contribution to journalJournal articlepeer-review

Harvard

Hayne, M, Razinkova, O, Bersier, S, Heitz, R, Muller-Kirsch, L, Geller, M, Bimberg, D & Moshchalkov, VV 2004, 'Optically induced charging effects in self-assembled GaSb/GaAs quantum dots', Physical review B, vol. 70, no. 8, 081302. https://doi.org/10.1103/PhysRevB.70.081302

APA

Hayne, M., Razinkova, O., Bersier, S., Heitz, R., Muller-Kirsch, L., Geller, M., Bimberg, D., & Moshchalkov, V. V. (2004). Optically induced charging effects in self-assembled GaSb/GaAs quantum dots. Physical review B, 70(8), [081302]. https://doi.org/10.1103/PhysRevB.70.081302

Vancouver

Hayne M, Razinkova O, Bersier S, Heitz R, Muller-Kirsch L, Geller M et al. Optically induced charging effects in self-assembled GaSb/GaAs quantum dots. Physical review B. 2004 Aug 10;70(8). 081302. https://doi.org/10.1103/PhysRevB.70.081302

Author

Hayne, M ; Razinkova, O ; Bersier, S ; Heitz, R ; Muller-Kirsch, L ; Geller, M ; Bimberg, D ; Moshchalkov, V V . / Optically induced charging effects in self-assembled GaSb/GaAs quantum dots. In: Physical review B. 2004 ; Vol. 70, No. 8.

Bibtex

@article{b3f69a86bac84d369107f8b759bb839a,
title = "Optically induced charging effects in self-assembled GaSb/GaAs quantum dots",
abstract = "We report photoluminescence (PL) measurements on self-assembled GaSb/GaAs quantum dots. As the laser excitation is increased from very low levels, the PL shows a strong red shift, and then a blue shift, such that it presents a U-shaped curve. Raising the temperature causes a large (<100 meV) blue shift of the PL, and shifts the minimum of the PL energy versus laser excitation curve to higher laser powers. Applying a magnetic field at lasers powers much less than1 W cm(-2) red shifts the PL energy. We explain these effects by population or depopulation of dots that are filled in the dark with holes supplied by carbon acceptors.",
keywords = "CHEMICAL VAPOR-DEPOSITION, EPITAXY, HETEROSTRUCTURES, LUMINESCENCE, SPECTROSCOPY, LOCALIZATION, GASB",
author = "M Hayne and O Razinkova and S Bersier and R Heitz and L Muller-Kirsch and M Geller and D Bimberg and Moshchalkov, {V V}",
year = "2004",
month = aug,
day = "10",
doi = "10.1103/PhysRevB.70.081302",
language = "English",
volume = "70",
journal = "Physical Review B: Condensed Matter and Materials Physics",
issn = "1098-0121",
publisher = "AMER PHYSICAL SOC",
number = "8",

}

RIS

TY - JOUR

T1 - Optically induced charging effects in self-assembled GaSb/GaAs quantum dots

AU - Hayne, M

AU - Razinkova, O

AU - Bersier, S

AU - Heitz, R

AU - Muller-Kirsch, L

AU - Geller, M

AU - Bimberg, D

AU - Moshchalkov, V V

PY - 2004/8/10

Y1 - 2004/8/10

N2 - We report photoluminescence (PL) measurements on self-assembled GaSb/GaAs quantum dots. As the laser excitation is increased from very low levels, the PL shows a strong red shift, and then a blue shift, such that it presents a U-shaped curve. Raising the temperature causes a large (<100 meV) blue shift of the PL, and shifts the minimum of the PL energy versus laser excitation curve to higher laser powers. Applying a magnetic field at lasers powers much less than1 W cm(-2) red shifts the PL energy. We explain these effects by population or depopulation of dots that are filled in the dark with holes supplied by carbon acceptors.

AB - We report photoluminescence (PL) measurements on self-assembled GaSb/GaAs quantum dots. As the laser excitation is increased from very low levels, the PL shows a strong red shift, and then a blue shift, such that it presents a U-shaped curve. Raising the temperature causes a large (<100 meV) blue shift of the PL, and shifts the minimum of the PL energy versus laser excitation curve to higher laser powers. Applying a magnetic field at lasers powers much less than1 W cm(-2) red shifts the PL energy. We explain these effects by population or depopulation of dots that are filled in the dark with holes supplied by carbon acceptors.

KW - CHEMICAL VAPOR-DEPOSITION

KW - EPITAXY

KW - HETEROSTRUCTURES

KW - LUMINESCENCE

KW - SPECTROSCOPY

KW - LOCALIZATION

KW - GASB

U2 - 10.1103/PhysRevB.70.081302

DO - 10.1103/PhysRevB.70.081302

M3 - Journal article

VL - 70

JO - Physical Review B: Condensed Matter and Materials Physics

JF - Physical Review B: Condensed Matter and Materials Physics

SN - 1098-0121

IS - 8

M1 - 081302

ER -