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A direct comparison of CVD-grown and exfoliated MoS2 using optical spectroscopy
G. Plechinger, J. Mann, E. Preciado +6
MoS2 is a highly interesting material system, which exhibits a crossover from an indirect band gap in the bulk crystal to a direct gap for single layers. Here, we perform a direct…
Spin polarization, dephasing and photoinduced spin diffusion in (110)-grown two-dimensional electron systems
R. Voelkl, M. Schwemmer, M. Griesbeck +5
We study the optically induced spin polarization, spin dephasing and diffusion in several high-mobility two-dimensional electron systems, which are embedded in GaAs quantum wells g…
Weak localization and Raman study of anisotropically etched graphene antidots
Florian Oberhuber, Stefan Blien, Stefanie Heydrich +6
We study a crystallographic etching process of graphene nanostructures where zigzag edges can be prepared selectively. The process involves heating exfoliated single-layer graphene…