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Fig. 2 | Nanoscale Research Letters

Fig. 2

From: Quantum Fluctuations of a Superconductor Order Parameter

Fig. 2

First derivative dV/dI characteristic: blow-up of the singularity at eV = Δ1(Al) + Δ2(Ti) of two S1IS2 junctions with two titanium electrodes of different effective diameters d eff equal to 31 and 36 nm (indicated in the inset). One can clearly see that for the thinnest titanium electrode, the absolute value of the mean gap \( \left|{\tilde{\varDelta}}_2\right| \) is smaller and the broadening \( \delta \left|{\varDelta}_2\right|/\left|{\tilde{\varDelta}}_2\right| \) is larger

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