Van der Waals' Condensation of ZnSe on Layered GaSe van der Waals' Surfaces: A New Route to Self-Organized Well-Defined Quantum Dot Structures

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Abstract

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Well-defined ZnSe nanocrystallites are formed on the van der Waals' surface of a layered semiconductor, GaSe, during deposition at elevated temperatures (see Figure). This growth process—termed van der Waals' condensation—is governed by a quasi-two-dimensional nucleation and growth made possible by the extremely weak substrate–cluster interaction.

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