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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…
Optical evidence of surface state suppression in Bi based topological insulators
Anjan A. Reijnders, Y. Tian, L. J. Sandilands +13
A key challenge in condensed matter research is the optimization of topological insulator (TI) compounds for the study and future application of their unique surface states. Truly…
Electron behavior in topological insulator based P-N overlayer interfaces
L. A. Wray, M. Neupane, S. -Y. Xu +8
Topological insulators (TIs) are novel materials that manifest spin-polarized Dirac states on their surfaces or at interfaces made with conventional matter. We have measured the el…
Interplay between ferromagnetism, surface states, and quantum corrections in a magnetically doped topological insulator
Duming Zhang, Anthony Richardella, David W. Rench +12
The breaking of time-reversal symmetry by ferromagnetism is predicted to yield profound changes to the electronic surface states of a topological insulator. Here, we report on a co…
The development of ferromagnetism in the doped topological insulator Bi2-xMnxTe3
Y. S. Hor, P. Roushan, H. Beidenkopf +11
The development of ferromagnetism in Mn-doped Bi2Te3 is characterized through measurements on a series of single crystals with different Mn content. Scanning tunneling microscopy a…