Interface-induced superconductivity in magnetic topological insulators

H Yi, YF Zhao, YT Chan, J Cai, R Mei, X Wu, ZJ Yan… - Science, 2024 - science.org
The interface between two different materials can show unexpected quantum phenomena.
In this study, we used molecular beam epitaxy to synthesize heterostructures formed by …

Dirac-fermion-assisted interfacial superconductivity in epitaxial topological-insulator/iron-chalcogenide heterostructures

H Yi, LH Hu, YF Zhao, LJ Zhou, ZJ Yan, R Zhang… - Nature …, 2023 - nature.com
Over the last decade, the possibility of realizing topological superconductivity (TSC) has
generated much excitement. TSC can be created in electronic systems where the …

Oyster Pearl-Shaped Ternary Iron Chalcogenide, FeSe0.5Te0.5, Films on FTO through Electrochemical Growth from the Exchange of Chalcogens Boosted the …

P Ray, S Pal, A Sarkar, F Sultana, A Basu… - ACS Applied Bio …, 2024 - ACS Publications
Here, iron chalcogenide thin films were developed for the first time by using the less
hazardous electrodeposition technique at optimized conditions on an FTO glass substrate …

Superconducting fourfold Fe (Te, Se) film on sixfold magnetic MnTe via hybrid symmetry epitaxy

X Yao, AR Mazza, MG Han, HT Yi, D Jain… - Nano Letters, 2022 - ACS Publications
Epitaxial Fe (Te, Se) thin films have been grown on various substrates but never been grown
on magnetic layers. Here we report the epitaxial growth of fourfold Fe (Te, Se) film on a …

Evidence for a robust sign-changing s-wave order parameter in monolayer films of superconducting Fe (Se,Te)/Bi2Te3

G Chen, A Aishwarya, MR Hirsbrunner… - npj Quantum …, 2022 - nature.com
Abstract The Fe-based superconductor Fe (Se, Te) combines non-trivial topology with
unconventional superconductivity and may be an ideal platform to realize exotic states such …

Monolayer Superconductivity and Tunable Topological Electronic Structure at the Fe(Te,Se)/Bi2Te3 Interface

RG Moore, Q Lu, H Jeon, X Yao, T Smith… - Advanced …, 2023 - Wiley Online Library
The interface between 2D topological Dirac states and an s‐wave superconductor is
expected to support Majorana‐bound states (MBS) that can be used for quantum computing …

Molecular beam epitaxy of superconducting thin films interfaced with magnetic topological insulators

Y Sato, S Nagahama, I Belopolski, R Yoshimi… - Physical Review …, 2024 - APS
Engineering heterostructures with various types of quantum materials can provide an
intriguing playground for studying exotic physics induced by the proximity effect. Here, we …

van der Waals Epitaxy, Superlubricity, and Polarization of the 2D Ferroelectric SnS

MJ Moody, JT Paul, PJM Smeets… - … Applied Materials & …, 2023 - ACS Publications
Tin monosulfide (SnS) is a two-dimensional layered semiconductor that exhibits in-plane
ferroelectric order at very small thicknesses and is of interest in highly scaled devices. Here …

Interfacially enhanced superconductivity in Fe(Te,Se)/Bi4Te3 heterostructures

AH Chen, Q Lu, E Hershkovitz, ML Crespillo… - Advanced …, 2024 - Wiley Online Library
Realizing topological superconductivity by integrating high‐transition‐temperature (TC)
superconductors with topological insulators can open new paths for quantum computing …

Atomic-Layer-Controlled Magnetic Orders in MnBi2Te4–Bi2Te3 Topological Heterostructures

X Yao, Q Cui, Z Huang, X Yuan, HT Yi, D Jain… - Nano Letters, 2024 - ACS Publications
The natural van der Waals superlattice MnBi2Te4–(Bi2Te3) m provides an optimal platform
to combine topology and magnetism in one system with minimal structural disorder. Here …