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XRD Evaluation of Wurtzite Phase in MBE Grown Self-Catalyzed GaP Nanowires

Stanislav A Udovenko 2
Liliia N Dvoretckaia 1
Roman G Burkovsky 2
Тип публикацииJournal Article
Дата публикации2021-04-09
scimago Q1
wos Q2
БС1
SJR0.811
CiteScore9.2
Impact factor4.3
ISSN20794991
General Chemical Engineering
General Materials Science
Краткое описание

Control and analysis of the crystal phase in semiconductor nanowires are of high importance due to the new possibilities for strain and band gap engineering for advanced nanoelectronic and nanophotonic devices. In this letter, we report the growth of the self-catalyzed GaP nanowires with a high concentration of wurtzite phase by molecular beam epitaxy on Si (111) and investigate their crystallinity. Varying the growth temperature and V/III flux ratio, we obtained wurtzite polytype segments with thicknesses in the range from several tens to 500 nm, which demonstrates the high potential of the phase bandgap engineering with highly crystalline self-catalyzed phosphide nanowires. The formation of rotational twins and wurtzite polymorph in vertical nanowires was observed through complex approach based on transmission electron microscopy, powder X-ray diffraction, and reciprocal space mapping. The phase composition, volume fraction of the crystalline phases, and wurtzite GaP lattice parameters were analyzed for the nanowires detached from the substrate. It is shown that the wurtzite phase formation occurs only in the vertically-oriented nanowires during vapor-liquid-solid growth, while the wurtzite phase is absent in GaP islands parasitically grown via the vapor-solid mechanism. The proposed approach can be used for the quantitative evaluation of the mean volume fraction of polytypic phase segments in heterostructured nanowires that are highly desirable for the optimization of growth technologies.

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ГОСТ |
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Koval O. Yu. et al. XRD Evaluation of Wurtzite Phase in MBE Grown Self-Catalyzed GaP Nanowires // Nanomaterials. 2021. Vol. 11. No. 4. p. 960.
ГОСТ со всеми авторами (до 50) Скопировать
Koval O. Yu., Fedorov V. V., Bolshakov A. P., Eliseev I. E., Fedina S. V., Sapunov G. A., Udovenko S. A., Dvoretckaia L. N., Kirilenko D., Burkovsky R. G., Mukhin I. S. XRD Evaluation of Wurtzite Phase in MBE Grown Self-Catalyzed GaP Nanowires // Nanomaterials. 2021. Vol. 11. No. 4. p. 960.
RIS |
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TY - JOUR
DO - 10.3390/nano11040960
UR - https://doi.org/10.3390/nano11040960
TI - XRD Evaluation of Wurtzite Phase in MBE Grown Self-Catalyzed GaP Nanowires
T2 - Nanomaterials
AU - Koval, Olga Yu
AU - Fedorov, Vladimir V
AU - Bolshakov, Alexey P.
AU - Eliseev, Igor E.
AU - Fedina, Sergey V
AU - Sapunov, Georgiy A
AU - Udovenko, Stanislav A
AU - Dvoretckaia, Liliia N
AU - Kirilenko, D.A.
AU - Burkovsky, Roman G
AU - Mukhin, Ivan S.
PY - 2021
DA - 2021/04/09
PB - MDPI
SP - 960
IS - 4
VL - 11
PMID - 33918690
SN - 2079-4991
ER -
BibTex |
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BibTex (до 50 авторов) Скопировать
@article{2021_Koval,
author = {Olga Yu Koval and Vladimir V Fedorov and Alexey P. Bolshakov and Igor E. Eliseev and Sergey V Fedina and Georgiy A Sapunov and Stanislav A Udovenko and Liliia N Dvoretckaia and D.A. Kirilenko and Roman G Burkovsky and Ivan S. Mukhin},
title = {XRD Evaluation of Wurtzite Phase in MBE Grown Self-Catalyzed GaP Nanowires},
journal = {Nanomaterials},
year = {2021},
volume = {11},
publisher = {MDPI},
month = {apr},
url = {https://doi.org/10.3390/nano11040960},
number = {4},
pages = {960},
doi = {10.3390/nano11040960}
}
MLA
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Koval, Olga Yu., et al. “XRD Evaluation of Wurtzite Phase in MBE Grown Self-Catalyzed GaP Nanowires.” Nanomaterials, vol. 11, no. 4, Apr. 2021, p. 960. https://doi.org/10.3390/nano11040960.