New world record for a neutron scattering magnet

New world record for a neutron scattering magnet
The record-setting HZB magnet in Berlin.

A unique magnet developed by the Florida State University-headquartered National High Magnetic Field Laboratory (MagLab) and Germany's Helmholtz Centre Berlin (HZB) has reached a new world record for a neutron scattering magnet.

The series-connected hybrid magnet successfully reached 26 tesla on Oct. 16, crushing the previous record of 17 tesla. As an added bonus, the magnet offers researchers much more space to perform their complex scattering experiments.

Using this magnet system, scientists scatter beams of particles to investigate the magnetism in exotic materials on an atomic scale.

"During construction, I worried about the risks, because this is an entirely new magnet design for ," MagLab Director Greg Boebinger said. "Now I can't wait to see the reward: the exciting science that cannot be performed anywhere other than in this extraordinary, high-performance magnet system."

During the magnet testing process, most superconducting magnets experience expensive and time-consuming shutdowns, or quenches. This magnet, however, reached full field without a quench and took only two months to test.

"This successful series-connected hybrid magnet is the result of more than 120,000 staff-hours at the MagLab," said Mark Bird, the MagLab's director of magnet science and technology in charge of the Berlin project. "It could not have happened without the incredible dedication and commitment of dozens of people here at the MagLab and at HZB."

The Berlin magnet was tested in a temporary location at HZB, but in coming months it will be moved to the neutron guide-hall and integrated with the rest of the instrument. Scientists interested in future use of the magnet should directly contact HZB.


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Citation: New world record for a neutron scattering magnet (2014, October 30) retrieved 20 May 2019 from https://phys.org/news/2014-10-world-neutron-magnet.html
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