Topological Superconductivity of Sn1-2x(AgBi)xTe and Other (Ag,In,Sn,Bi)Te Phases

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Superconductivity

Strongly Correlated Electrons

Topological Superconductivity of Sn1-2x(AgBi)xTe and Other (Ag,In,Sn,Bi)Te Phases

Superconductivity in In-doped AgSnBiTe3 with possible band inversion

We investigated the chemical pressure effects on structural and electronic properties of snte-based material using partial substitution of sn byag0.5bi0.5, which results in lattice shrinkage.

Single-phase polycrystalline samples were obtained with a wide range of x. for (agsnbi)(1-y)/3inyte, single-phase polycrystalline samples were obtained for y = 0-0.5 by high-pressure synthesis.

To explore new superconducting phases related to the topological electronic states, we investigated the in-doping effects on structural and superconducting properties for x = 0.33 (agsnbite3).

Authors

Tsubasa Mitobe, Kazuhisa Hoshi, Md. Riad Kasem, Ryosuke Kiyama, Hidetomo Usui, Aichi Yamashita, Ryuji Higashinaka, Tatsuma D. Matsuda, Yuji Aoki, Yosuke Goto, Yoshikazu Mizuguchi

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