High Field Magnets

"This test demonstrates what we had long hoped - that YBCO high-temperature superconductors being made now for electric utility applications also have great potential for high magnetic-field technology. It seems likely that this conductor technology can be used to make all superconducting magnets with fields that will soon exceed 30 Tesla. This far exceeds the 22-23 Tesla limit of all previous Niobium-based superconducting magnets."

David Larbalestier
Director, Applied Superconductivity Center
and Chief Materials Scientist,
NHMFL, Florida State University, Tallahasee, FL

2007:

SuperPower, in collaboration with the National High Magnetic Field Laboratory (NHMFL) at Florida State University, has demonstrated a new world record of 26.8 Tesla for a field created by a superconducting magnet. The HTS magnet coil, fabricated by SuperPower with SuperPower® 2G HTS Wire and tested by NHMFL researchers, generated 26.8 Tesla in a background field of 19 Tesla at 4.2 Kelvin. The new world-record field was more than 1.8 Tesla higher than the previous highest field of 25.0 Tesla that was achieved using a 1G coil in 2003.

2008:

A coil fabricated by National High Magnetic Field Laboratory (NHMFL) with SuperPower 2G HTS Wire was tested at 4.2K in 31 Tesla background field at NHMFL and achieved a new world record of 33.6 Tesla at an average winding current density of 459 A/mm².

Significance of this achievement:

opens opportunities for advancements in physics, biology and chemistry research
will reduce operating costs of many high-field magnets
could lead to superconducting magnets with fields greater than 30 Tesla
could lead to replacement of costly-to-operate resistive high field magnets


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