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Condensed Matter > Superconductivity

arXiv:2401.00999 (cond-mat)
[Submitted on 2 Jan 2024]

Title:Possible Meissner effect near room temperature in
copper-substituted lead apatite

Authors:Hongyang Wang, Yao Yao, Ke Shi, Yijing Zhao, Hao Wu, Zhixing
Wu, Zhihui Geng, Shufeng Ye, Ning Chen
Download a PDF of the paper titled Possible Meissner effect near room
temperature in copper-substituted lead apatite, by Hongyang Wang and
8 other authors
Download PDF HTML (experimental)

    Abstract:With copper-substituted lead apatite below room
    temperature, we observe diamagnetic dc magnetization under
    magnetic field of 25 Oe with remarkable bifurcation between
    zero-field-cooling and field-cooling measurements, and under 200
    Oe it changes to be paramagnetism. A glassy memory effect is
    found during cooling. Typical hysteresis loops for
    superconductors are detected below 250 K, along with an asymmetry
    between forward and backward sweep of magnetic field. Our
    experiment suggests at room temperature the Meissner effect is
    possibly present in this material.

Comments: 7 pages, 4 figures
Subjects: Superconductivity (cond-mat.supr-con)
Cite as:  arXiv:2401.00999 [cond-mat.supr-con]
          (or arXiv:2401.00999v1 [cond-mat.supr-con] for this
          version)
          https://doi.org/10.48550/arXiv.2401.00999
          Focus to learn more
          arXiv-issued DOI via DataCite

Submission history

From: Yao Yao [view email]
[v1] Tue, 2 Jan 2024 02:53:38 UTC (237 KB)
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