Publications (11)
Observation of Quantum-Tunneling Modulated Spin Texture in Ultrathin Topological Insulator Bi2Se3 Films
Madhab Neupane, Anthony Richardella, Jaime Sánchez-Barriga +18
Understanding the spin-texture behavior of boundary modes in ultrathin topological insulator films is critically essential for the design and fabrication of functional nano-devices…
Trion gas on the surface of a failed excitonic insulator
Yuval Nitzav, Abigail Dishi, Himanshu Lohani +15
Trions, three-body bound states composed of an exciton and an additional charge, are typically fragile and require external excitation to form. Here, we report the spontaneous emer…
One-dimensional electronic structure of phosphorene chains
Maxim Krivenkov, Maryam Sajedi, Dmitry Marchenko +4
Phosphorene, a 2D allotrope of phosphorus, is technologically very appealing because of its semiconducting properties and narrow band gap. Further reduction of the phosphorene dime…
Halide Perovskites as Spin-1 Dirac Materials
Dmitry Marchenko, Maryam Sajedi, Maxim Krivenkov +8
Halide perovskites are a promising class of materials for optoelectronic and photovoltaic applications, exhibiting high power conversion efficiency due to strong light absorption a…
Overdoping graphene beyond the van Hove singularity
Philipp Rosenzweig, Hrag Karakachian, Dmitry Marchenko +2
At very high doping levels the van Hove singularity in the band of graphene becomes occupied and exotic ground states possibly emerge, driven by many-body interactions. Empl…
Surface floating 2D bands in layered nonsymmorphic semimetals: ZrSiS and related compounds
Andreas Topp, Raquel Queiroz, Andreas Grüneis +10
In this work, we present a model of the surface states of nonsymmorphic semimetals. These are derived from surface mass terms that lift the high degeneracy imposed in the band stru…