At the Limit of Interfacial Sharpness in Nanowire Axial Heterostructures
Donovan Hilliard,
Tina Tauchnitz,
René Hübner
et al.
Abstract:As semiconductor devices approach dimensions at the atomic scale, controlling the compositional grading across heterointerfaces becomes paramount. Particularly in nanowire axial heterostructures, which are promising for a broad spectrum of nanotechnology applications, the achievement of sharp heterointerfaces has been challenging owing to peculiarities of the commonly used vapor−liquid−solid growth mode. Here, the grading of Al across GaAs/Al x Ga 1−x As/GaAs heterostructures in self-catalyzed nanowires is stu… Show more
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