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Vapor-liquid-solid growth of semiconductor nanowires

Abstract : We discuss the growth of semiconductor nanowires, with an emphasis on the vapor-liquid-solid growth of III-V nanowires. Special attention is paid to modeling of growth and the resulting morphology, crystal phase, composition, nanowire heterostructures and statistical properties within the nanowire ensembles. We give a general overview of the vapor-liquid-solid growth of nanowires by different epitaxy techniques and the bases for nanowire growth modeling. We discuss the role of surface energetics in the formation of GaAs nanowires, which has an important impact on the nanowire morphology and crystal phase. A detailed description of the nanowire growth kinetics is prersented, including the transport-limited growth, chemical potentials, nucleation and growth of two-dimensional islands and self-consistent growth models combining the material transport equations with the nucleation rate. The nanowire length and diameter distributions are considered along with the methods for narrowing them to sub-Poisonian values. Ternary III-V nanowires and heterostructures based on such nanowires are discussed, including the relaxation of elastic stress at the free sidewalls and the sharpening the heterointerfaces. We consider polytypism of III-V nanowires and possibilities to control their crystal phase by tuning the growth parameters.
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https://hal-cnrs.archives-ouvertes.fr/hal-03298453
Contributor : Frank Glas <>
Submitted on : Friday, July 23, 2021 - 4:00:19 PM
Last modification on : Wednesday, July 28, 2021 - 4:02:49 AM

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  • HAL Id : hal-03298453, version 1

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Vladimir G. Dubrovskii, Frank Glas. Vapor-liquid-solid growth of semiconductor nanowires. N. Fukata, R. Rurali. Fundamental properties of semiconductor nanowires, Springer Nature Singapore Pte Ltd., 2021, Fundamental properties of semiconductor nanowires, 978-981-15-9049-8. ⟨hal-03298453⟩

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