Quantum dot self-assembly driven by a surfactant-induced morphological instability

15 Mar 2017 Lewis Ryan B. Corfdir Pierre Li Hong Herranz Jesús Pfüller Carsten Brandt Oliver Geelhaar Lutz

In strained heteroepitaxy, two-dimensional (2D) layers can exhibit a critical thickness at which three-dimensional (3D) islands self-assemble, relieving misfit strain at the cost of an increased surface area. Here we show that such a morphological phase transition can be induced on-demand using surfactants... (read more)

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