Microwave measurements of the absolute London penetration depth in double-sided YBa2Cu3O7−x thin films on sapphire

Abstract

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Resistive state triggered by vortex entry in YBa 2 Cu 3 O 7−δ nanostructures

“…4) using the values of n 0 and k 0 extracted from both the fits, which are typical of YBCO thin films [25,26]. In particular if one is considering vortex slips as the main source of resistance, the expected values of the critical current density, J v d , are rather consistent with the J exp c we have extracted from the IV curves at 4.2 K [15,18].…”

Ultra low noise YBa2Cu3O7−δ nano superconducting quantum interference devices implementing nanowires

“…As shown in Fig. 3, the agreement between data and numerical calculations is very good using λ 0 = 260 nm (which is a typical value for thin YBCO films [31]), in the whole temperature range and for all the measured devices, both fabricated on (110) and (001) MgO. In particular, when the temperature increases, the critical current modulation depth becomes bigger as a consequence of the reduction of the critical current I max C…”

Hot spot formation in electron-doped PCCO nanobridges

“…This value is roughly a factor of 2 higher than the values previously reported on single crystals of PCCO [33][34][35]. A similar increase was also reported for YBCO [36] of granularity in the thin films compared to single crystals. It has also been observed in YBCO nanowires [37].…”