Band structure, superconductivity and polytypism in AuSn${}_4$

Edwin Herrera, Beilun Wu, Evan O'Leary +13

The orthorhombic compound AuSn4 is compositionally similar to the Dirac node arc semimetal PtSn${}_4$. AuSn${}_4$ is, contrary to PtSn${}_4$, superconducting with a critical temperature…