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HL: Fachverband Halbleiterphysik

HL 69: Quantum dots and wires III

HL 69.1: Hauptvortrag

Donnerstag, 19. März 2020, 15:00–15:30, POT 151

Scaling networks of compound semiconductor nanowires — •Anna Fontcuberta i Morral — Ecole Polytechnique Fédérale de Lausanne, EPFL

Nanowires are filamentary crystals with a tailored diameter between few and 100 nm [1,2]. Their shape anisotropy and size confer them with advantageous properties in a variety of areas ranging from photonics to quantum computing [3-6]. In all applications, deterministic site selective growth of nanowires is absolutely necessary. In this talk we will explain how nanowires can be obtained in arrays both free standing and lying on a substrate, in a scalable manner. We will also show how the properties such as enhanced light absorption and mobility can be engineered, opening the path to advanced functionality.

[1] P. McIntyre, A. Fontcuberta i Morral, Materials Today Nano https://doi.org/10.1016/j.mtnano.2019.100058 [2] L. Güniat et al, Chemical reviews 119, 8958-8971 (2019) [3] P. Krogstrup et al, Nature Photon. 7, 306 (2013) [4] R. Frederiksen et al, ACS Photon. 4, 2235-2241 (2017) [5] M. Friedl et al, Nano Lett. 18, 2666 (2018) [6] J. Vukajlovic-Plestina, Nature Comm. 10, 869 (2019)