3 papers
cond-mat.mtrl-sci2026
Optical selection rules in hexagonal Ge polytypes and their lifting by symmetry perturbation
Martin Keller, Haichen Wang, Friedhelm Bechstedt +2
Hexagonal germanium polytypes have emerged as promising direct-gap semiconductors for silicon-integrated optoelectronics, yet their optical properties remain largely unexplored bey…
cond-mat.mtrl-sci2020
Influence of Polymorphism on the Electronic Structure of GaO
Jack E. N. Swallow, Christian Vorwerk, Piero Mazzolini +21
The search for new wide band gap materials is intensifying to satisfy the need for more advanced and energy efficient power electronic devices. GaO has emerged as an altern…
cond-mat.mtrl-sci2018
Accurate electronic and optical properties of hexagonal germanium for optoelectronic applications
Claudia Rödl, Jürgen Furthmüller, Jens Renè Suckert +3
High-quality defect-free lonsdaleite Si and Ge can now be grown on hexagonal nanowire substrates. These hexagonal phases of group-IV semiconductors have been predicted to exhibit i…