Supercurrents through half-metallic ferromagnetic CrO${}_2$ revisited

M. S. Anwar, M. Hesselberth, M. Porcu +1

We report on the observation of a supercurrent through the half metallic ferromagnet CrO${}_2$ grown on hexagonal Al${}_2$O${}_3$ (sapphire). The current was observed to flow over a dist…