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Studies on the origin of the interfacial superconductivity of Sb <sub>2</sub> Te <sub>3</sub> /Fe <sub>1+y</sub> Te heterostructures
The recent discovery of the interfacial superconductivity (SC) of the Bi2Te3/Fe1+yTe heterostructure has attracted extensive studies due to its potential as a novel platform for trapping and controlling Majorana fermions. Here we present studies of another topological insulator (TI)/Fe1+yTe heterostructure, Sb2Te3/Fe1+yTe, which also enjoys an interfacial two-dimensional SC. The results …