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Article Dans Une Revue Nano Letters Année : 2020

Phase Selection in Self-catalyzed GaAs Nanowires

Résumé

Crystal phase switching between the zincblende and wurtzite structures in III-V nanowires is crucial from the fundamental viewpoint as well as for electronic and photonic applications of crystal phase heterostructures. Here, the results of in situ monitoring of self-catalyzed vapor-liquid-solid growth of GaAs nanowires by molecular beam epitaxy inside a transmission electron microscope is presented. It is demonstrated that the occurrence of the zincblende or wurtzite phase in self-catalyzed nanowires is determined by the sole parameter, the droplet contact angle, which can be finely tuned
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Dates et versions

hal-03048367 , version 1 (10-12-2020)

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Federico Panciera, Zhaslan Baraissov, Gilles Patriarche, Vladimir G Dubrovskii, Frank Glas, et al.. Phase Selection in Self-catalyzed GaAs Nanowires. Nano Letters, 2020, 20, pp.1669 - 1675. ⟨10.1021/acs.nanolett.9b04808⟩. ⟨hal-03048367⟩
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