glossary:rebco
CONCEPT dossier

REBCO

Glossary term: REBCO

CONCEPT Fusion Physics

01 Executive_Summary

Rare Earth Barium Copper Oxide — a family of high-temperature superconducting (HTS) tapes used in compact, high-field magnets for fusion reactors. REBCO tapes can carry high current densities at 77 K (liquid nitrogen temperature) and maintain superconductivity at fields above 25 Tesla. REBCO magnets enable the compact size of modern fusion devices including the Compact Fusion Reactor concept.

02 Definition

Rare Earth Barium Copper Oxide — a family of high-temperature superconducting (HTS) tapes used in compact, high-field magnets for fusion reactors. REBCO tapes can carry high current densities at 77 K (liquid nitrogen temperature) and maintain superconductivity at fields above 25 Tesla. REBCO magnets enable the compact size of modern fusion devices including the Compact Fusion Reactor concept.

Related terms: High-Temperature Superconductor Liquid Helium Compact Fusion Reactor Magnetic Confinement Fusion

03 Deep_Dive_Intelligence

Overview

Rare Earth Barium Copper Oxide — a family of high-temperature superconducting (HTS) tapes used in compact, high-field magnets for fusion reactors. REBCO tapes can carry high current densities at 77 K (liquid nitrogen temperature) and maintain superconductivity at fields above 25 Tesla. REBCO magnets enable the compact size of modern fusion devices including the Compact Fusion Reactor concept.

Role: Glossary term: REBCO

Entity Type: Concept — REBCO is a technical concept or theoretical framework.

Technical Definition

Rare Earth Barium Copper Oxide — a family of high-temperature superconducting (HTS) tapes used in compact, high-field magnets for fusion reactors. REBCO tapes can carry high current densities at 77 K (liquid nitrogen temperature) and maintain superconductivity at fields above 25 Tesla. REBCO magnets enable the compact size of modern fusion devices including the Compact Fusion Reactor concept.

Related Concepts: High-Temperature Superconductor, Liquid Helium, Compact Fusion Reactor, Magnetic Confinement Fusion

05b Related_Topics (2)

Compact Fusion Reactor
usa → china → israel →
Directed Energy
usa → russia → china → israel → uk → germany → france → japan →

07 Key_Findings

  • ▸ Entity Type: Concept — REBCO is a technical concept or theoretical framework.
  • ▸ Related Concepts: High-Temperature Superconductor, Liquid Helium, Compact Fusion Reactor, Magnetic Confinement Fusion

10 FAQ

What is REBCO? ▾
Rare Earth Barium Copper Oxide — a family of high-temperature superconducting (HTS) tapes used in compact, high-field magnets for fusion reactors. REBCO tapes can carry high current densities at 77 K (liquid nitrogen temperature) and maintain superconductivity at fields above 25 Tesla. REBCO magnets enable the compact size of modern fusion devices including the Compact Fusion Reactor concept.
What role does REBCO play in the research network? ▾
REBCO is classified under the "Fusion Physics" category, serving as Glossary term: REBCO. Rare Earth Barium Copper Oxide — a family of high-temperature superconducting (HTS) tapes used in compact, high-field magnets for fusion reactors. REBCO tapes can carry high current densities at...
What evidence supports the REBCO assessment? ▾
The intelligence assessment for REBCO is supported by 3 primary sources. Key sources include "Rare-earth barium copper oxide - Wikipedia", "High temperature superconductors for fusion magnets", and "REBCO coated conductors: enabling the next generation of tokamak reactors". These documents provide the evidentiary basis for the analysis.
What is the technical definition of REBCO? ▾
Rare Earth Barium Copper Oxide — a family of high-temperature superconducting (HTS) tapes used in compact, high-field magnets for fusion reactors. REBCO tapes can carry high current densities at 77 K (liquid nitrogen temperature) and maintain superconductivity at fields above 25 Tesla. REBCO magnets enable the compact size of modern fusion...
What is the physics behind REBCO? ▾
Rare Earth Barium Copper Oxide — a family of high-temperature superconducting (HTS) tapes used in compact, high-field magnets for fusion reactors. REBCO tapes can carry high current densities at 77 K (liquid nitrogen temperature) and maintain superconductivity at fields above 25 Tesla. REBCO magnets enable the compact size of modern fusion...
What external sources document REBCO? ▾
REBCO is documented by 3 external sources, including 1 Encyclopedia Article, 1 Journal Article (Nuclear Fusion, 2018), and 1 Journal Article (Superconductor Science and Technology, 2025). Notable references include "Rare-earth barium copper oxide - Wikipedia", "High temperature superconductors for fusion magnets", and "REBCO coated conductors: enabling the next generation of tokamak reactors".
How was information about REBCO collected? ▾
Information about REBCO was collected through open-source intelligence (OSINT) methods, analyzing 3 declassified documents and cross-referencing findings across the research network.
What is the current status of REBCO? ▾
Rare Earth Barium Copper Oxide — a family of high-temperature superconducting (HTS) tapes used in compact, high-field magnets for fusion reactors. REBCO tapes can carry high current densities at 77 K (liquid nitrogen temperature) and maintain...
How does REBCO relate to compact fusion research? ▾
Overview Rare Earth Barium Copper Oxide — a family of high-temperature superconducting (HTS) tapes used in compact, high-field magnets for fusion reactors. REBCO tapes can carry high current densities at 77 K (liquid nitrogen temperature) and maintain superconductivity at fields above 25 Tesla....
What documents should I read to learn more about REBCO? ▾
To learn more about REBCO, review the 3 primary sources, and related research finding linked in the source documents section of this dossier.

External_References 5 REFS

/pdfs/27046685.pdf#page=18 ref
/pdfs/27046685.pdf#page=52 ref
/pdfs/27046685.pdf#page=121 ref
/pdfs/AD0404515.pdf#page=57 ref
/pdfs/Analyzing Woodruff Scientific's Network Links.pdf#page=3 ref

Glossary_Sources

→ 27046685.pdf → 27046685.pdf → 27046685.pdf → AD0404515.pdf → Analyzing Woodruff Scientific's Network Links.pdf

Verified_Primary_Sources 3 SOURCES

secondary wikipedia.org Encyclopedia Article
Rare-earth barium copper oxide - Wikipedia
Verifies: ReBCO is a family of chemical compounds exhibiting high-temperature superconductivity; ReBCO superconductors sustain stronger magnetic fields than other superconductor materials; Proposed for magnetic confinement fusion reactors such as the ARC reactor; Commonwealth Fusion Systems created test magnet with ReBCO tape handling 40,000 amperes at 20 tesla
External Link ↗
primary iopscience.iop.org Journal Article (Nuclear Fusion, 2018)
High temperature superconductors for fusion magnets
Verifies: REBCO and BSCCO are commercially available high temperature superconducting tapes and wires; HTS represents enabling technology for magnetic fields larger than 18-20 T; REBCO tapes carry high current densities and maintain superconductivity at high fields
External Link ↗
primary iopscience.iop.org Journal Article (Superconductor Science and Technology, 2025)
REBCO coated conductors: enabling the next generation of tokamak reactors
Verifies: REBCO coated conductors enable development of ultra-high-field (>20 T) compact fusion devices; Around a dozen global commercial manufacturers supply high-quality REBCO coated conductors; REBCO tapes can carry high current densities at 77 K (liquid nitrogen temperature)
External Link ↗
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ID: glossary:rebco
Type: concept
Region: glossary
Last updated: Research database snapshot