Evidence for nodal superconductivity in a layered compound Ta${}_4$Pd${}_3$Te${}_{16}$

G. M. Pang, M. Smidman, W. H. Jiao +7

We report an investigation of the London penetration depth $\Delta \lambda (T)$ on single crystals of the layered superconductor Ta${}_4$Pd${}_3$Te${}_{16}$, where the crystal structure has quasi-one…