Point contact spectroscopy of the high-temperature superconductor $L{a}_{1.8}S{r}_{0.2}Cu{O}_4$

I. K. Yanson, L. F. Rybal'chenko, V. V. Fisun +7

The energy gap has been measured and the characteristic phonon energies determined for the superconducting compound $L{a}_{1.8}S{r}_{02}Cu{O}_4$ from the current-voltage characteristics…