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Article Dans Une Revue Applied Physics Letters Année : 2017

Control of the incubation time in the vapor-solid-solid growth of semiconductor nanowires

Résumé

Nanowires grown in the vapor-solid-solid mode using solid gold nanoparticles as a catalyst may exhibit a strong fluctuation of their length mostly due to the presence of an incubation time with a large distribution. We show that this is efficiently cured by an appropriate preparation of the catalyst nanoparticle-in the case of ZnTe nanowires by adding a Zn flux during the dewetting process. While NWs start at any time after dewetting in vacuum (resulting in a broad length distribution, up to a factor of 10), the incubation time is quite uniform after dewetting under Zn exposure. Residual fluctuations (reduced to below a factor of 2) are due to fluctuations of the nanoparticle size and to a change of the nanoparticle morphology during the growth.
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Dates et versions

hal-01583052 , version 1 (06-09-2017)

Identifiants

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M. Orrù, M den Hertog, Eric Robin, Y. Genuist, Régis André, et al.. Control of the incubation time in the vapor-solid-solid growth of semiconductor nanowires. Applied Physics Letters, 2017, 110 (26), pp.263107. ⟨10.1063/1.4985713⟩. ⟨hal-01583052⟩
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