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Small Energy Gap Revealed in CrBr3 by Scanning Tunneling Spectroscopy
Dinesh Baral, Zhuangen Fu, Andrei S. Zadorozhnyi +8
CrBr is a layered van der Waals material with magnetic ordering down to the 2D limit. For decades, based on optical measurements, it is believed that the energy gap of CrBr$_…
Controlling and distinguishing electronic transport of topological and trivial surface states in a topological insulator
Helin Cao, Chang Liu, Jifa Tian +4
Topological insulators (TI), with characteristic Dirac-fermion topological surface states (TSS), have emerged as a new class of electronic materials with rich potentials for both n…
Structural and electronic properties of highly doped topological insulator Bi2Se3 crystals
Helin Cao, Suyang Xu, Ireneusz Miotkowski +4
We present a study of the structural and electronic properties of highly doped topological insulator Bi2Se3 single crystals synthesized by the Bridgman method. Lattice structural c…
AFM and Raman studies of topological insulator materials subject to argon plasma etching
Isaac Childres, Jifa Tian, Ireneusz Miotkowski +1
Plasma etching is an important tool in nano-device fabrication. We report a study on argon plasma etching of topological insulator materials Bi2Se3, Bi2Te3, Sb2Te3 and Bi2Te2Se usi…