Strong phase coherence and vortex matter in a fractal system with proximity-induced superconductivity

Teramachi, Nanami; Nakaaki, Iku; Hashimoto, Aoi; Ooi, Shuuichi; Tachiki, Minoru; Arisawa, Shunichi; Seto, Yusuke; Sakurai, Takahiro; Ohta, Hitoshi; Valenta, Jaroslav; Tsujii, Naohito; Mori, Takao; Uchino, Takashi

doi:10.1103/physrevb.108.155146

Phys. Rev. B

2023

DOI: 10.1103/physrevb.108.155146

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Strong phase coherence and vortex matter in a fractal system with proximity-induced superconductivity

Nanami Teramachi,

Iku Nakaaki,

Aoi Hashimoto

et al.

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2024

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“…The authors posit that some of the extraordinary conductivity properties manifested by cuprates stem from this correlated distribution of oxygen ions. Significant contributions also arise from the work of Teramachi et al, 61 who conducted a study on vortex matter within a proximity-coupled Mg/MgO/MgB 2 nanocomposite. This nanocomposite exhibited a scale-free (fractal) distribution of the MgB 2 components and atomically clean MgO/MgB 2 interfaces.…”

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Impact of Correlated Disorder on Surface Superconductivity: Revealing the Robustness of the Surface Ordering Effect

de Bragança,

de Moraes,

Romaguera

et al. 2024

J. Phys. Chem. Lett.

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Surface superconductivity, wherein electron pairing occurs at material surfaces or interfaces, has attracted a remarkable amount of attention since its discovery. Recent theoretical predictions have unveiled increased critical temperatures, especially at the surfaces of certain compounds and/or structures. The notion of "surface ordering" has been advanced to elucidate this phenomenon. Employing the framework of self-consistent Bogoliubov−de Gennes equations and a model incorporating correlated disorder, our study demonstrates the persistence of the surface ordering effect in the presence of weak to moderate bulk disorder. Intriguingly, our findings indicate that under moderate disorder conditions the surface critical temperature can be further increased, depending on the intensity and correlation of the disorder.

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confidence: 99%

Impact of Correlated Disorder on Surface Superconductivity: Revealing the Robustness of the Surface Ordering Effect

de Bragança,

de Moraes,

Romaguera

et al. 2024

J. Phys. Chem. Lett.

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Strong phase coherence and vortex matter in a fractal system with proximity-induced superconductivity

Cited by 1 publication

References 76 publications

Impact of Correlated Disorder on Surface Superconductivity: Revealing the Robustness of the Surface Ordering Effect

Impact of Correlated Disorder on Surface Superconductivity: Revealing the Robustness of the Surface Ordering Effect

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