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Simple linear response model for predicting energy band alignment of two-dimensional vertical heterostructure
Javad G. Azadani, Seungjun Lee, Hyeong-Ryul Kim +4
The Anderson and midgap models are often used in the study of semiconductor heterojunctions, but for van der Waals (vdW) vertical heterostructures they have shown only very limited…
Tuning the doping of epitaxial graphene on a conventional semiconductor via substrate surface reconstruction
Miriam Galbiati, Luca Persichetti, Paola Gori +8
Combining scanning tunneling microscopy and angle-resolved photoemission spectroscopy, we demonstrate how to tune the doping of epitaxial graphene from p to n by exploiting the str…
High Brightness Lasing at Sub-micron Enabled by Droop-Free Fin Light-Emitting Diodes
Babak Nikoobakht, Robin P. Hansen, Yuqin Zong +3
Efficiency droop, i.e., a decline in brightness of LEDs at high electrical currents, has limited the performance of all commercially available LEDs. Until now, it has limited the o…