Anomalous magnetization jumps in granular Pb superconducting films

Zhang, An-Lei; Jiang, Wan-Yan; Chen, Xing-Hong; Zhang, Xiaoke; Lü, Weijia; Chen, Fei; Feng, Zhenjie; Cao, Shixun; Zhang, Jincang; Ge, Jun‐Yi

doi:10.1016/j.cap.2021.11.010

Cited by 7 publications

(2 citation statements)

References 41 publications

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“…At present, the mean free path can be greatly influenced by the gain-boundary-like behavior, which results in the shift from δ T c pinning to δ l pinning. [50] Furthermore, the evolution of pinning properties can provide valuable insights into the study and related applications of the multilayer superconducting films. In conclusion, we have prepared a multilayer superconducting system.…”

Section: -2mentioning

confidence: 99%

Flux pinning evolution in multilayer Pb/Ge/Pb/Ge/Pb superconducting systems

Gao

Zhang

et al. 2023

Chinese Phys. B

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Multicomponent superconductors exhibit nontrivial vortex behaviors due to the various vortex-vortex interactions, including the competing one in the recently proposed type-1.5 superconductor. However, potential candidate that can be used to study the multicomponent superconductivity is rare. Here, we prepared an artificial superconducting multilayer to act as an alternative approach to study multicomponent superconductivity. The additional repulsive length and the coupling strength among superconducting films were regulated by changing the thickness of the insulting layer. The magnetization measurements were performed to clarify the effect of the competition between the repulsive vortex interactions on the macroscopic superconductivity. The vortex phase diagram and the optimum critical current density have been determined. Furthermore, a second magnetization effect is observed, and is attributed to the upper layer, which provides the weak pinning sites to localize the flux lines. The pinning behaviors switches to the mixed type with the increase of the insulting layer thicknesses. Our results open a new perspective to the study and related applications of the multilayer superconducting systems.

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Section: -2mentioning

confidence: 99%

Flux pinning evolution in multilayer Pb/Ge/Pb/Ge/Pb superconducting systems

Gao

Zhang

et al. 2023

Chinese Phys. B

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“…These materials have a low critical temperature compared to type 2 [26,27]. Critical temperature values vary between -273°C and -263°C [28][29][30][31][32].…”

Section: Type 1 Superconductorsmentioning

confidence: 99%

Soft Superconductors: Materials and Applications

Bugdayci

2022

Superconductors

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Superconductors emerge as materials that offer great benefits with the superior properties they offer. In this study, the general properties of superconducting materials, their history and properties of soft superconductors are emphasized. Superconductivity mechanisms are investigated through crystal structures and BCS theory. Superconductivity properties of A3B, perovskite, MMo6X8&M2A3X3 compounds were evaluated over crystal symmetries. In addition, research on the production methods and usage areas of superconductors are presented in this section.

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Superconducting phase diagram of lanthanum films on the substrate of Si(100)

Wang

et al. 2023

Physica B: Condensed Matter

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Anomalous magnetization jumps in granular Pb superconducting films

Cited by 7 publications

References 41 publications

Flux pinning evolution in multilayer Pb/Ge/Pb/Ge/Pb superconducting systems

Flux pinning evolution in multilayer Pb/Ge/Pb/Ge/Pb superconducting systems

Soft Superconductors: Materials and Applications

Superconducting phase diagram of lanthanum films on the substrate of Si(100)

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