Dresden 2020 – wissenschaftliches Programm

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O: Fachverband Oberflächenphysik

O 123: Nanostructured Surfaces and Thin Films III: Dots, Particles, Clusters (joint session O/CPP)

O 123.9: Vortrag

Freitag, 20. März 2020, 12:30–12:45, WIL B321

Electronic and optical properties of quantum-confined nanoparticles — •Marius Buerkle and Vladimir Svrcek — National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Japan

We discuss the electronic and optical properties of semiconducting nanoparticles in the quantum-confinement regime. Here we focuse on how do quasi-band-like features emerge from finite electronic states with increasing particle size. This is discussed for Si, SiC, and Sn nanoparticles. Particularly interesting is the transition from an indirect to direct bandgap semiconductor for ultra-small Sn nanoparticles.

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