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Research dossier · version 1 · updated Oct 30, 2026

Applied Superconductivity & HTS Magnets: State of the Field (October 2026)

This dossier surveys REBCO coated-conductor magnets, high-field records, superconducting cables, quench protection and superconducting RF cavities as of October 2026. Its central takeaway is that mechanical stress, delamination and quench protection now set the practical limits of ultra-high-field REBCO magnets as much as conductor current does, and that most of the newest evidence is still in preprint form.

3,691 words65 sources30 evidence-mapped claims11 benchmarks18 timeline events✓ citation-verified Oct 30, 2026

AI-assisted synthesis of the cited literature, independently fact-checked against its sources; not peer reviewed.

Contents

  1. Executive summary
  2. Background and core concepts
  3. Timeline of key milestones
  4. State of the art
  5. Conductor performance and manufacturing
  6. High-field magnets
  7. Mechanical behaviour and delamination
  8. Cables, AC loss and rotating machines
  9. Quench detection and protection
  10. Superconducting RF cavities
  11. MRI and medical-scale magnets
  12. Quantitative benchmarks
  13. Open problems and active debates
  14. Major programs and players
  15. Outlook: what to watch
  16. Key papers
  17. Glossary

Sample findings

  • The highest all-superconducting DC field in the peer-reviewed sources verified for this dossier is 32.35 T, reported in 2020.
  • A 45.5 T DC field was generated with an HTS magnet in 2019; it is reported as a separate category from all-superconducting records.
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