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<p>Understanding superconductivity under extreme conditions is crucial for the search for room-temperature superconductors, yet conventional high-pressure probes often lack sufficient sensitivity and spatial resolution. This review highlights recent advances in nitrogen-vacancy (NV) center magnetometry in diamond anvil cells for studying high-pressure superconductivity. We discuss superhydride synthesis, sample inhomogeneity, and spatially resolved magnetic imaging at megabar pressures, emphasizing NV magnetometry’s ability to quantitatively visualize superconducting phenomena under extreme conditions.</p>

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Diagnosing high-pressure superconductors using diamond quantum sensors: a review

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2026年5月25日

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  • Kin On Ho,
  • Sen Yang

摘要

Understanding superconductivity under extreme conditions is crucial for the search for room-temperature superconductors, yet conventional high-pressure probes often lack sufficient sensitivity and spatial resolution. This review highlights recent advances in nitrogen-vacancy (NV) center magnetometry in diamond anvil cells for studying high-pressure superconductivity. We discuss superhydride synthesis, sample inhomogeneity, and spatially resolved magnetic imaging at megabar pressures, emphasizing NV magnetometry’s ability to quantitatively visualize superconducting phenomena under extreme conditions.