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Odd-Parity Pairing and Topological Superconductivity in a Strongly Spin-Orbit Coupled Semiconductor
Satoshi Sasaki, Zhi Ren, A. A. Taskin +3
The existence of topological superconductors preserving time-reversal symmetry was recently predicted, and they are expected to provide a solid-state realization of itinerant massl…
Experimental realization of a topological crystalline insulator in SnTe
Y. Tanaka, Zhi Ren, T. Sato +5
Topological insulators materialize a topological quantum state of matter where unusual gapless metallic state protected by time-reversal symmetry appears at the edge or surface. Th…
Fermi level tuning and a large activation gap achieved in the topological insulator Bi_{2}Te_{2}Se by Sn doping
Zhi Ren, A. A. Taskin, Satoshi Sasaki +2
We report the effect of Sn doping on the transport properties of the topological insulator Bi_{2}Te_{2}Se studied in a series of Bi_{2-x}Sn_{x}Te_{2}Se crystals with 0 \leq x \leq…
Ambipolar transport in bulk crystals of a topological insulator by gating with ionic liquid
Kouji Segawa, Zhi Ren, Satoshi Sasaki +3
We report that the ionic-liquid gating of bulk single crystals of a topological insulator can control the type of the surface carriers and even results in ambipolar transport. This…