Multibranch structure of the Hg(Re)1223 IJJs at 75 K. The inset shows the first branch with arrows indicating the current jumps.
Multibranch structure of the Hg(Re)1223 IJJs at 4.23 and 90 K is shown. The inset shows temperature dependence of of the IJJs with dashed line representing the AB theory.
Switching current distributions of the IJJs measured at 0.69–15 K. The dots are the experimental data and the solid and dotted lines show the fits of Eqs. (1) and (3). The inset shows the escape temperature vs the bath temperature. The dashed line indicates that .
The standard deviation as a function of temperature between 0.69 and 35 K. The dashed and dotted lines indicate that and a linear fit to the data points below 5 K. The inset shows the escape rate of the IJJs at 0.82–8.5 K compared with the theoretical escape rate. The dots are the experimental data and the solid and dotted lines show the fits of Eqs. (1) and (3).
Voltages of subgap structures and corresponding frequencies of the Hg(Re)1223 IJJs compared with the Raman-active optical phonons of Hg(Re)1223 and calculated infrared active phonons for Tl1223. , , and indicate the oxygen at the inner plane, at the outer plane, and the apex oxygen of octahedra, respectively.
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