Preparation and Magnetic Properties of BSCCO Superconducting Nanofibers by Electrospinning and Solution Blowing Spinning

Zhang, Yu-Rui; Qiu, Li-Peng; Gao, Shi-Long; Zheng, Quan-Hao; Cheng, Gou-Ting; Gao, Yuan; Zhang, Tingting; Han, Wenjuan; Ramakrishna, Seeram; Long, Yun‐Ze

doi:10.1007/s10948-022-06314-5

Cited by 1 publication

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“…Despite measurements at the lowest temperature (3 K), the sample still does not exhibit complete flux exclusion. This is attributed to the sample’s diameter nearing the magnetic penetration depth (typically a few hundred nanometers), rendering it challenging for nanoscale superconducting materials to achieve complete flux exclusion [ 26 ]. Interestingly, in previous studies related to electrospun LSCO nanofibers, their Tc values were reported as 19.2 K [ 27 ] and 29.3 K [ 28 ], respectively.…”

Section: Resultsmentioning

confidence: 99%

Preparation and Peculiar Magnetic Properties at Low Temperatures of La1.85Sr0.15CuO4 Nanofibers

Gao,

Zhang,

Qiu

et al. 2024

Nanomaterials

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Herein, the preparation process, morphology, structure, and magnetic properties of La1.85Sr0.15CuO4 (LSCO) cobweb-like nanofibers are reported. LSCO nanofibers with a regular grain size distribution are successfully prepared via electrospinning, followed by calcination. We conducted morphology analysis and elemental distribution using electron microscopy and energy-dispersive X-ray spectroscopy (EDS), respectively. Additionally, magnetic property testing was performed using a vibrating sample magnetometer (VSM) to confirm the superconducting properties of the samples. Interestingly, our samples exhibited a superconducting transition temperature, Tc, of 25.21 K, which showed some disparity compared to similar works. Furthermore, we observed a ferromagnetic response at low temperatures in the superconducting nanofibers. We attribute these phenomena to the effects generated by surface states of nanoscale superconducting materials.

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Section: Resultsmentioning

confidence: 99%