Sign reversing Hall effect in atomically thin high temperature superconductors

S. Y. Frank Zhao, Nicola Poccia, Margaret G. Panetta +10

We fabricate van der Waals heterostructure devices using few unit cell thick Bi${}_2$Sr${}_2$CaCu${}_2$O${}_{8+\delta }$ for magnetotransport measurements. The superconducting transition tempera…