Anisotropy of Electrical Transport and Superconductivity in Metal Chains of Nb2Se3
Rongwei Hu, K. Lauritch-Kullas, J. O Brian, V. F. Mitrovic, C., Petrovic
TL;DR
This study investigates the anisotropic electrical transport and superconducting properties of Nb2Se3, revealing dominant electron-electron scattering along metal chains and evidence of multi-band superconductivity.
Contribution
It provides the first detailed analysis of anisotropic transport and superconductivity in Nb2Se3, highlighting the role of electron-electron interactions and multi-band effects.
Findings
Electron-electron Umklapp scattering dominates transport
Superconductivity is highly anisotropic
Evidence suggests multi-band superconductivity
Abstract
In this work we have shown bulk superconductivity and studied the anisotropy in both the normal and superconducting states in quasi-1D conductor Nb2Se3. Electron - electron Umklapp scattering dominates electronic transport along the direction of Nb metal chains as well as perpendicular to it. The superconducting state is rather anisotropic with possible multi - band features.
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