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Transmission of topological surface states through surface barriers
Jungpil Seo, Pedram Roushan, Haim Beidenkopf +3
Topological surface states are a class of novel electronic states that are of potential interest in quantum computing or spintronic applications. Unlike conventional two-dimensiona…
Visualizing Critical Correlations near the Metal-Insulator Transition in Ga1-xMnxAs
Anthony Richardella, Pedram Roushan, Shawn Mack +4
Electronic states in disordered conductors on the verge of localization are predicted to exhibit critical spatial characteristics indicative of the proximity to a metal- insulator…
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…