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Ex Situ Fabrication of Superconducting Nanostructures for Low-Temperature STM
Adrian Greichgauer, Roozbeh Yazdanpanah, Alexey Taskin +3
Nanofabrication of topological insulator (TI) devices is essential for accessing edge and interface states, but conventional lithography and etching compromise the atomically clean…
Selective-Area Epitaxy of Bulk-Insulating (BiSb)Te Films and Nanowires by Molecular Beam Epitaxy
Gertjan Lippertz, Oliver Breunig, Rafael Fister +5
The selective-area epitaxy (SAE) is a useful technique to grow epitaxial films with a desired shape on a pre-patterned substrate. Although SAE of patterned topological-insulator (T…
Superconductivity in SnInTe thin films grown by molecular beam epitaxy
Andrea Bliesener, Junya Feng, A. A. Taskin +1
The superconductor SnInTe is derived from the topological crystalline insulator SnTe and is a candidate topological superconductor. So far, high-quality thin films of…
Ferromagnetism in Cr-doped topological insulator TlSbTe2
Zhiwei Wang, Kouji Segawa, Satoshi Sasaki +2
We have synthesized a new ferromagnetic topological insulator by doping Cr to the ternary topological-insulator material TlSbTe2. Single crystals of Tl_{1-x}Cr_{x}SbTe2 were grown…
Pb_{5}Bi_{24}Se_{41}: A New Member of the Homologous Series Forming Topological Insulator Heterostructures
Kouji Segawa, A. A. Taskin, Yoichi Ando
We have synthesized Pb_{5}Bi_{24}Se_{41}, which is a new member of the (PbSe)_{5}(Bi2Se3)_{3m} homologous series with m = 4. This series of compounds consist of alternating layers…
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…