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Interface-Induced Superconductivity in Magnetic Topological Insulator-Iron Chalcogenide Heterostructures
Hemian Yi, Yi-Fan Zhao, Ying-Ting Chan +24
When two different electronic materials are brought together, the resultant interface often shows unexpected quantum phenomena, including interfacial superconductivity and Fu-Kane…
Spin Hall conductivity in BiSb as an experimental test of bulk-boundary correspondence
Yongxi Ou, Wilson Yanez-Parreño, Yu-sheng Huang +9
Bulk-boundary correspondence is a foundational principle underlying the electronic band structure and physical behavior of topological quantum materials. Although it has been rigor…
Epitaxial growth and characterization of BiSb thin films on (0001) sapphire substrates
Yu-Sheng Huang, Saurav Islam, Yongxi Ou +4
We report the molecular beam epitaxy of Bi_1-xSb_x thin films () on (0001) sapphire substrates using a thin (Bi,Sb)Te buffer layer. Characterization of the…
Dirac-Fermion-Assisted Interfacial Superconductivity in Epitaxial Topological Insulator/Iron Chalcogenide Heterostructures
Hemian Yi, Lun-Hui Hu, Yi-Fan Zhao +15
Over the last decade, the possibility of realizing topological superconductivity (TSC) has generated much excitement, mainly due to the potential use of its excitations (Majorana z…
Thin film growth of the Weyl semimetal NbAs
Wilson Yanez, Yu-Sheng Huang, Supriya Ghosh +5
We report the synthesis and characterization of thin films of the Weyl semimetal NbAs grown on GaAs (100) and GaAs (111)B substrates. By choosing the appropriate substrate, we can…