On the growth of InGaN nanowires by molecular-beam epitaxy: influence of the III/V flux ratio on the structural and optical properties
- Autores: Gridchin V.1,2,3,4, Komarov S.5, Soshnikov I.1,3,4, Shtrom I.1,2,3, Reznik R.1, Kryzhanovskaya N.5, Cirlin G.1,2,3,4
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Afiliações:
- Saint-Petersburg State University
- Alferov University
- IAI RAS
- Ioffe Institute
- HSE University
- Edição: Nº 4 (2024)
- Páginas: 45–50
- Seção: Articles
- URL: https://journals.rcsi.science/1028-0960/article/view/261009
- DOI: https://doi.org/10.31857/S1028096024040052
- EDN: https://elibrary.ru/GJLMRR
- ID: 261009
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Resumo
In this work, we studied the influence of the III/V flux ratio on the structural and optical properties of InGaN nanowires grown by plasma-assisted molecular beam epitaxy. It was found that the formation of InGaN nanowires with a core–shell structure occurs if the III/V flux ratio is about 0.9–1.2 taking into account the In incorporation coefficient. At the same time, an increase in the III/V flux ratio from the intermediate growth regime to metal-rich one leads to a decrease in the In content in nanowires from ~45% to ~35%. This nanowires exhibit photoluminescence at room temperature with a maximum in the range of 600–650 nm. A further increase in the III/V flux ratio to ~1.3, or its decrease to ~0.4 leads to the formation of coalesced nanocolumnar layers with a low In content. The results obtained may be of interest for studying the growth processes of InGaN nanowires and creating RGB light-emitting devices on them.
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Sobre autores
V. Gridchin
Saint-Petersburg State University; Alferov University; IAI RAS; Ioffe Institute
Autor responsável pela correspondência
Email: gridchinvo@gmail.com
Rússia, 199034, Saint-Petersburg; 194021, Saint-Petersburg; 190103, Saint-Petersburg; 194021, Saint-Petersburg
S. Komarov
HSE University
Email: gridchinvo@gmail.com
Rússia, 190008, Saint-Petersburg
I. Soshnikov
Saint-Petersburg State University; IAI RAS; Ioffe Institute
Email: gridchinvo@gmail.com
Rússia, 199034, Saint-Petersburg; 190103, Saint-Petersburg; 194021, Saint-Petersburg
I. Shtrom
Saint-Petersburg State University; Alferov University; IAI RAS
Email: gridchinvo@gmail.com
Rússia, 199034, Saint-Petersburg; 194021, Saint-Petersburg; 190103, Saint-Petersburg
R. Reznik
Saint-Petersburg State University
Email: gridchinvo@gmail.com
Rússia, 199034, Saint-Petersburg
N. Kryzhanovskaya
HSE University
Email: gridchinvo@gmail.com
Rússia, 190008, Saint-Petersburg
G. Cirlin
Saint-Petersburg State University; Alferov University; IAI RAS; Ioffe Institute
Email: gridchinvo@gmail.com
Rússia, 199034, Saint-Petersburg; 194021, Saint-Petersburg; 190103, Saint-Petersburg; 194021, Saint-Petersburg
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