Superconductivity and a van Hove singularity confined to the surface of a topological semimetal
We begin our discussion with an examination of the electronic band structure of ZrAs2. ZrAs2 belongs to the…
Superconducting gap of H3S measured by tunnelling spectroscopy
Drozdov, A. P., Eremets, M. I., Troyan, I. A., Ksenofontov, V. & Shylin, S. I. Conventional superconductivity at…