Controlling the Intrinsic Josephson Junction Number in a $\mathbf{B}{\mathbf{i}}_2\mathbf{S}{\mathbf{r}}_2\mathbf{CaC}{\mathbf{u}}_2{\mathbf{O}}_{8+\delta }$ Mesa

Li-Xing You, Pei-Heng Wu, Wei-Wei Xu +2

In fabricating $\mathrm{B}{\mathrm{i}}_2\mathrm{S}{\mathrm{r}}_2\mathrm{CaC}{\mathrm{u}}_2{\mathrm{O}}_{8+\delta }$ intrinsic Josephson junctions in 4-terminal mesa structures, we modify the conventional fabrication process by markedly reducing the…