Topological Crystalline Materials of Electrons: Antiperovskites, Dirac Points, and High Winding Topological Superconductivity

T Kawakami, T Okamura, S Kobayashi, M Sato - Physical Review X, 2018 - APS
We present a theory of the high-spin generalization of topological insulators and their doped
superconducting states. The higher-spin topological insulators involve a pair of J= 3/2 bands …

Singlet-quintet mixing in spin-orbit coupled superconductors with fermions

J Yu, CX Liu - Physical Review B, 2018 - APS
In noncentrosymmetric superconductors, spin-orbit coupling can induce an unconventional
superconducting state with a mixture of s-wave spin-singlet and p-wave spin-triplet …

Spin-orbit coupling effect on the optoelectronic and thermoelectric properties of the perovskites A3SnO (A= Ca, Sr and Ba)

S Naz, Z Ali, S Mehmood, I Khan, I Ahmad - Materials Science in …, 2021 - Elsevier
Abstract Effect of spin orbit coupling (SOC) on the physical properties of perovskites A 3 SnO
(A= Ca, Sr and Ba) have been studied in the domain of density functional theory (DFT). It is …

Evolution of Superconductivity with Sr-Deficiency in Antiperovskite Oxide Sr3−xSnO

M Oudah, JN Hausmann, S Kitao, A Ikeda… - Scientific reports, 2019 - nature.com
Bulk superconductivity was recently reported in the antiperovskite oxide Sr3− x SnO, with a
possibility of hosting topological superconductivity. We investigated the evolution of …

Structural, elastic, optoelectronic and transport calculations of Sr3SnO under pressure

E Haque, MA Hossain - Materials Science in Semiconductor Processing, 2018 - Elsevier
In this paper, we have presented the structural, elastic, optoelectronic and transport
properties of Sr 3 SnO (SSO) under pressure by using the first-principles method. The …

Enhanced thermoelectric performance in Ca-substituted Sr3SnO

E Haque, MA Hossain - Journal of Physics and Chemistry of Solids, 2018 - Elsevier
First-principles calculations were performed to study the electronic and thermoelectric
transport properties of Ca-substituted Sr 3 SnO (Sr 3− x Ca x SnO, 3≥ x≥ 0). The effects of …

Normal-state properties of the antiperovskite oxide revealed by -NMR

S Kitagawa, K Ishida, M Oudah, JN Hausmann, A Ikeda… - Physical Review B, 2018 - APS
We have performed Sn 119-NMR measurements on the antiperovskite oxide
superconductor Sr 3− x SnO to investigate how its normal state changes with the Sr …

[HTML][HTML] Molecular beam epitaxy of phase-pure antiperovskite Sr3SnO thin films

W Wu, NG Combs, S Stemmer - Applied Physics Letters, 2021 - pubs.aip.org
The antiperovskite oxide Sr 3 SnO has attracted substantial interest due to its topologically
non-trivial band structure. Sr-deficient Sr 3-x SnO can become superconducting, making it a …

Revealing the intrinsic transport properties of antiperovskite Sr3SnO thin films

W Wu, NG Combs, S Stemmer - Applied Physics Letters, 2022 - pubs.aip.org
A topologically non-trivial band structure and reports of superconductivity have motivated
significant investigation into the transport properties of the antiperovskite oxide Sr 3 SnO …

Penetration depth and gap structure in the antiperovskite oxide superconductor revealed by

A Ikeda, Z Guguchia, M Oudah, S Koibuchi… - Physical Review B, 2020 - APS
We report a μ SR study on the antiperovskite oxide superconductor Sr 3− x SnO. By using
transverse-field μ SR, we observed an increase of the muon relaxation rate upon cooling …