3D imaging finds hidden crystal patchwork in a 40-year-old superconductor

· Science

Advanced 3D imaging has shown that a superconducting material studied for four decades is far more complex than scientists believed. The work revealed a hidden patchwork of crystal structures within the material, with unusually wide boundaries between regions that may weaken superconductivity. Because the material has long been treated as uniform in models, the finding challenges decades of assumptions and could explain why its superconducting behavior has been hard to reproduce or predict. The researchers say the structural disorder must now be accounted for in theories and in efforts to engineer better superconductors. The result matters for anyone pursuing lossless power transmission, powerful magnets or quantum devices built on such materials.

Why it matters：If hidden structural disorder governs superconducting behavior, materials models and the design of superconducting magnets and quantum devices must be revised.

Key points

  • The material has been studied for about 40 years.
  • 3D imaging revealed a patchwork of crystal structures with unusually wide boundaries.
  • The wide boundaries may reduce superconductivity.

Sources (original reporting)

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