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Photoluminescence properties of self-assembled InAs quantum dots grown on InP substrates by solid source molecular beam epitaxy

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Photoluminescence properties of self-assembled InAs quantum dots grown on InP substrates by solid source molecular beam epitaxy. / Zhuang, Qiandong; Yoon, S. F.; Zheng, H. Q.

In: Journal of Vacuum Science and Technology B, Vol. 19, No. 4, 2001, p. 1475-1478.

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Zhuang, Qiandong ; Yoon, S. F. ; Zheng, H. Q. / Photoluminescence properties of self-assembled InAs quantum dots grown on InP substrates by solid source molecular beam epitaxy. In: Journal of Vacuum Science and Technology B. 2001 ; Vol. 19, No. 4. pp. 1475-1478.

Bibtex

@article{a24b66b42d1b4e08a97813ce6ea4fa30,
title = "Photoluminescence properties of self-assembled InAs quantum dots grown on InP substrates by solid source molecular beam epitaxy",
abstract = "Self-organized InAs quantum dots (QDs) with different depositions grown on an InP (100) substrate were prepared by solid source molecular beam epitaxy at different temperatures. Photoluminescence (PL) measurements are used to investigate optical properties of the QDs. It is observed that the PL emissions of QDs with 10 {\AA} InAs deposition exhibit multiple peaks. Besides emission from the QDs at lower energy, two or three additional peaks are observed. This behavior is attributed to wetting layers with various thicknesses caused by an As/P exchange reaction, and this reaction is enhanced by an increase of the growth temperature. The features of PL emission change dramatically for the samples with increased InAs deposition. The PL emission from the QDs decomposes into two Gaussian peaks, which are associated with emission from QDs with two different size distributions. Atomic force microscopy examination shows the bimodal size distribution branch. This observation of the QD size distribution is simply explained by the surface mass transfer. {\textcopyright} 2001 American Vacuum Society.",
author = "Qiandong Zhuang and Yoon, {S. F.} and Zheng, {H. Q.}",
year = "2001",
doi = "10.1116/1.1374626",
language = "English",
volume = "19",
pages = "1475--1478",
journal = "Journal of Vacuum Science and Technology B",
issn = "1071-1023",
publisher = "AVS Science and Technology Society",
number = "4",

}

RIS

TY - JOUR

T1 - Photoluminescence properties of self-assembled InAs quantum dots grown on InP substrates by solid source molecular beam epitaxy

AU - Zhuang, Qiandong

AU - Yoon, S. F.

AU - Zheng, H. Q.

PY - 2001

Y1 - 2001

N2 - Self-organized InAs quantum dots (QDs) with different depositions grown on an InP (100) substrate were prepared by solid source molecular beam epitaxy at different temperatures. Photoluminescence (PL) measurements are used to investigate optical properties of the QDs. It is observed that the PL emissions of QDs with 10 Å InAs deposition exhibit multiple peaks. Besides emission from the QDs at lower energy, two or three additional peaks are observed. This behavior is attributed to wetting layers with various thicknesses caused by an As/P exchange reaction, and this reaction is enhanced by an increase of the growth temperature. The features of PL emission change dramatically for the samples with increased InAs deposition. The PL emission from the QDs decomposes into two Gaussian peaks, which are associated with emission from QDs with two different size distributions. Atomic force microscopy examination shows the bimodal size distribution branch. This observation of the QD size distribution is simply explained by the surface mass transfer. © 2001 American Vacuum Society.

AB - Self-organized InAs quantum dots (QDs) with different depositions grown on an InP (100) substrate were prepared by solid source molecular beam epitaxy at different temperatures. Photoluminescence (PL) measurements are used to investigate optical properties of the QDs. It is observed that the PL emissions of QDs with 10 Å InAs deposition exhibit multiple peaks. Besides emission from the QDs at lower energy, two or three additional peaks are observed. This behavior is attributed to wetting layers with various thicknesses caused by an As/P exchange reaction, and this reaction is enhanced by an increase of the growth temperature. The features of PL emission change dramatically for the samples with increased InAs deposition. The PL emission from the QDs decomposes into two Gaussian peaks, which are associated with emission from QDs with two different size distributions. Atomic force microscopy examination shows the bimodal size distribution branch. This observation of the QD size distribution is simply explained by the surface mass transfer. © 2001 American Vacuum Society.

U2 - 10.1116/1.1374626

DO - 10.1116/1.1374626

M3 - Journal article

VL - 19

SP - 1475

EP - 1478

JO - Journal of Vacuum Science and Technology B

JF - Journal of Vacuum Science and Technology B

SN - 1071-1023

IS - 4

ER -